Mercer County, NJ

County

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2019 Population
367,430
0.644% 1-year decline
US Senator
Bob Menendez
Democratic Party
US Senator
Cory Booker
Democratic Party
2019 Median Age
38.8
0.257% 1-year decrease
2019 Poverty Rate
11.6%
2.59% 1-year increase
2019 Median Household Income
$79,492
1.41% 1-year decline
2019 Median Property Value
$291,600
0.656% 1-year growth
2019 Employed Population
176,443
5.22% 1-year decline

About

In 2019, Mercer County, NJ had a population of 367k people with a median age of 38.8 and a median household income of $79,492. Between 2018 and 2019 the population of Mercer County, NJ declined from 369,811 to 367,430, a −0.644% decrease and its median household income declined from $80,632 to $79,492, a −1.41% decrease.

The 5 largest ethnic groups in Mercer County, NJ are White (Non-Hispanic) (48.2%), Black or African American (Non-Hispanic) (19.4%), Asian (Non-Hispanic) (11.8%), White (Hispanic) (11.5%), and Other (Hispanic) (5.28%). 0% of the households in Mercer County, NJ speak a non-English language at home as their primary language.

87.5% of the residents in Mercer County, NJ are U.S. citizens.

The largest universities in Mercer County, NJ are Thomas Edison State University (2,599 degrees awarded in 2019), Princeton University (2,335 degrees), and The College of New Jersey (2,108 degrees).

In 2019, the median property value in Mercer County, NJ was $291,600, and the homeownership rate was 62.6%. Most people in Mercer County, NJ drove alone to work, and the average commute time was 27.8 minutes. The average car ownership in Mercer County, NJ was 2 cars per household.

About the photo: State Capitol Rotunda, Trenton, NJ

Diversity

Mercer County, NJ is home to a population of 367k people, from which 87.5% are citizens. As of 2019, 47.6% of Mercer County, NJ residents were born outside of the country (175k people).

In 2019, there were 2.49 times more White (Non-Hispanic) residents (177k people) in Mercer County, NJ than any other race or ethnicity. There were 71.1k Black or African American (Non-Hispanic) and 43.5k Asian (Non-Hispanic) residents, the second and third most common ethnic groups.

Race and Ethnicity

Race and Ethnicity

The 3 largest ethnic groups in Mercer County, NJ
  1. White (Non-Hispanic)
    177k ± 199
  2. Black or African American (Non-Hispanic)
    71.1k ± 2.08k
  3. Asian (Non-Hispanic)
    43.5k ± 1.04k
18.5%
Hispanic Population
67.8k people

In 2019, there were 2.49 times more White (Non-Hispanic) residents (177k people) in Mercer County, NJ than any other race or ethnicity. There were 71.1k Black or African American (Non-Hispanic) and 43.5k Asian (Non-Hispanic) residents, the second and third most common ethnic groups.

18.5% of the people in Mercer County, NJ are hispanic (67.8k people).

The following chart shows the 7 races represented in Mercer County, NJ as a share of the total population.

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Heritage

Foreign-Born Population

47.6%
2019 Foreign-Born Population
175k people
21.9%
2018 Foreign-Born Population
81.2k people

As of 2019, 47.6% of Mercer County, NJ residents (175k people) were born outside of the United States, which is higher than the national average of 34%. In 2018, the percentage of foreign-born citizens in Mercer County, NJ was 21.9%, meaning that the rate has been increasing.

The following chart shows the percentage of foreign-born residents in Mercer County, NJ compared to that of it's neighboring and parent geographies.

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Age by Nativity

36
Median Native-Born Age
± 0.8
44
Median Foreign-Born Age
± 1.4

In 2019, the median age of all people in Mercer County, NJ was 38.8. Native-born citizens, with a median age of 36, were generally younger than foreign-born citizens, with a median age of 44. But people in Mercer County, NJ are getting getting younger. In 2018, the average age of all Mercer County, NJ residents was 39.

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Global Diversity

The PUMS dataset is not available at the County level, so we are showing data for New Jersey.
Most Common Origin
  1. India
    267,137 ± 12,497 people
  2. Dominican Republic
    196,191 ± 10,754 people
  3. Mexico
    108,194 ± 8,026 people

In 2019, the most common birthplace for the foreign-born residents of New Jersey was India, the natal country of 267,137 New Jersey residents, followed by Dominican Republic with 196,191 and Mexico with 108,194.

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Citizenship

87.5%
2019 Citizenship
88.1%
2018 Citizenship

As of 2019, 87.5% of Mercer County, NJ residents were US citizens, which is lower than the national average of 93.4%. In 2018, the percentage of US citizens in Mercer County, NJ was 88.1%, meaning that the rate of citizenship has been decreasing.

The following chart shows US citizenship percentages in Mercer County, NJ compared to that of it's neighboring and parent geographies.

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Military

Veterans

Most Common Service Period
  1. Vietnam
    4,410 ± 1,020
  2. Korea
    1,651 ± 807
  3. Gulf War (1990s)
    1,539 ± 970

Mercer County, NJ has a large population of military personnel who served in Vietnam, 2.67 times greater than any other conflict.

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COVID-19

Daily New Cases by Date

Showing data at the state level for New Jersey. Hospitalization data for some states may be delayed or not reported.
Y-Axis

This chart shows the number of COVID-19 daily new cases by date in New Jersey, as a 7-day rolling average, compared with the four states with the most similar number of confirmed cases.

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Unemployment Insurance Claims

Data is only available at the state level. Showing data for New Jersey.

This chart shows weekly unemployment insurance claims in New Jersey (not-seasonally adjusted) compared with the four states with the most similar impact.

The most recent data point uses Advance State Claims data, which can be revised in subsequent weeks.

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Employment by Industry Sector

Data is only available at the state level. Showing data for New Jersey.
Y-Axis
8.45%
Year-over-year growth
Employment change between May 2020 and May 2021

As of May 2021, there are 145M people employed in New Jersey. This represents a 8.45% increase in employment when compared to May 2020.

The following chart shows monthly employment numbers for each industry sector in New Jersey.

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Community Mobility

Data is only available at the state level. Showing data for New Jersey.

This chart presents movement trends over time in the state of New Jersey across different categories of places such as retail and recreation, groceries and pharmacies, parks, transit stations, workplaces, and residential.

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Economy

Median household income in Mercer County, NJ is $79,492. In 2019, the tract with the highest median household income in Mercer County, NJ was Census Tract 43.06 with a value of $202,628, followed by Census Tract 43.04 and Census Tract 43.07, with respective values of $191,190 and $189,966.

Males in New Jersey have an average income that is 1.38 times higher than the average income of females, which is $67,114. The income inequality in New Jersey (measured using the Gini index) is 0.493, which is higher than than the national average.

The economy of Mercer County, NJ employs 176k people. The largest industries in Mercer County, NJ are Educational Services (26,797 people), Health Care & Social Assistance (23,401 people), and Professional, Scientific, & Technical Services (17,510 people), and the highest paying industries are Management of Companies & Enterprises ($134,477), Professional, Scientific, & Technical Services ($87,956), and Real Estate & Rental & Leasing ($80,045).

Wages

Median Household Income

$79,492
2019 value
± $5,633
−1.41%
1 Year Growth
± 8.59%

Households in Mercer County, NJ have a median annual income of $79,492, which is more than the median annual income of $65,712 across the entire United States. This is in comparison to a median income of $80,632 in 2018, which represents a −1.41% annual growth.

The following chart shows how the median household income in Mercer County, NJ compares to that of its neighboring and parent geographies.

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Wage by Gender in Common Jobs

The PUMS dataset is not available at the County level, so we are showing data for New Jersey.
$92,951
Average Male Salary in New Jersey
± $1,794
$67,114
Average Female Salary in New Jersey
± $1,255

In 2019, full-time male employees in New Jersey made 1.38 times more than female employees.

This chart shows the gender-based wage disparity in the 5 most common occupations in New Jersey by number of full-time employees.

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Wage by Race and Ethnicity in Common Jobs

The PUMS dataset is not available at the County level, so we are showing data for New Jersey.
Highest Average Salaries by Race & Ethnicity in New Jersey
  1. Asian
    $92,859 ± $3,652
  2. White
    $74,222 ± $1,284
  3. Native Hawaiian and Other Pacific Islander
    $70,602 ± $36,181

In 2019 the highest paid race/ethnicity of New Jersey workers was Asian. These workers were paid 1.25 times more than White workers, who made the second highest salary of any race/ethnicity in New Jersey.

This chart shows the race- and ethnicity-based wage disparities in the 5 most common occupations in New Jersey by number of full-time employees.

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Wage Distribution

The closest comparable wage GINI for Mercer County, NJ is from New Jersey.
0.493
2019 Wage GINI in New Jersey
0.493
2018 Wage GINI in New Jersey

In 2019, the income inequality in New Jersey was 0.493 according to the GINI calculation of the wage distribution. Income inequality had a 0.0449% growth from 2018 to 2019, which means that wage distribution grew somewhat less even. The GINI for New Jersey was higher than than the national average of 0.478. In other words, wages are distributed less evenly in New Jersey in comparison to the national average.

This chart shows the number of workers in New Jersey across various wage buckets compared to the national average.

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Income by Location

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Race/Ethnicity
Highest Median Household Income (Total)
  1. Census Tract 43.06
  2. Census Tract 43.04
  3. Census Tract 43.07

In 2019, the tract with the highest Median Household Income (Total) in Mercer County, NJ was Census Tract 43.06 with a value of $202,628, followed by Census Tract 43.04 and Census Tract 43.07, with respective values of $191,190 and $189,966.

The following map shows all of the tracts in Mercer County, NJ colored by their Median Household Income (Total).

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Poverty by Age and Gender

Females 25 - 34
Largest Demographic Living in Poverty

11.6% of the population for whom poverty status is determined in Mercer County, NJ (41k out of 352k people) live below the poverty line, a number that is lower than the national average of 12.3%. The largest demographic living in poverty are Females 25 - 34, followed by Females 18 - 24 and then Females 35 - 44.

The Census Bureau uses a set of money income thresholds that vary by family size and composition to determine who classifies as impoverished. If a family's total income is less than the family's threshold than that family and every individual in it is considered to be living in poverty.

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Poverty by Race and Ethnicity

Largest Race or Ethnicity Living in Poverty
  1. White
    20,710 ± 1,235
  2. Black
    14,390 ± 971
  3. Hispanic
    13,616 ± 896

The most common racial or ethnic group living below the poverty line in Mercer County, NJ is White, followed by Black and Hispanic.

The Census Bureau uses a set of money income thresholds that vary by family size and composition to determine who classifies as impoverished. If a family's total income is less than the family's threshold than that family and every individual in it is considered to be living in poverty.

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Occupations

Employment by Occupations

176k
2019 Value
± 8,094
−5.22%
1 Year decline
± 6.72%

From 2018 to 2019, employment in Mercer County, NJ declined at a rate of −5.22%, from 186k employees to 176k employees.

The most common job groups, by number of people living in Mercer County, NJ, are Management Occupations (21,925 people), Office & Administrative Support Occupations (18,823 people), and Education Instruction, & Library Occupations (18,169 people). This chart illustrates the share breakdown of the primary jobs held by residents of Mercer County, NJ.

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Most Common

The most common jobs held by residents of Mercer County, NJ, by number of employees, are Management Occupations (21,925 people), Office & Administrative Support Occupations (18,823 people), and Education Instruction, & Library Occupations (18,169 people).

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Most Specialized

Compared to other counties, Mercer County, NJ has an unusually high number of residents working as Life, Physical, & Social Science Occupations (2.03 times higher than expected), Education Instruction, & Library Occupations (1.66 times), and Legal Occupations (1.53 times).

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Highest Paid

The highest paid jobs held by residents of Mercer County, NJ, by median earnings, are Legal Occupations ($96,328), Computer & Mathematical Occupations ($94,575), and Architecture & Engineering Occupations ($92,715).

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Industries

Employment by Industries

176k
2019 Value
± 8,094
−5.22%
1 Year decline
± 6.72%

From 2018 to 2019, employment in Mercer County, NJ declined at a rate of −5.22%, from 186k employees to 176k employees.

The most common employment sectors for those who live in Mercer County, NJ, are Educational Services (26,797 people), Health Care & Social Assistance (23,401 people), and Professional, Scientific, & Technical Services (17,510 people). This chart shows the share breakdown of the primary industries for residents of Mercer County, NJ, though some of these residents may live in Mercer County, NJ and work somewhere else. Census data is tagged to a residential address, not a work address.

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Most Common

The most common industries in Mercer County, NJ, by number of employees, are Educational Services (26,797 people), Health Care & Social Assistance (23,401 people), and Professional, Scientific, & Technical Services (17,510 people).

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Most Specialized

Compared to other counties, Mercer County, NJ has an unusually high number of Educational Services (1.62 times higher than expected), Finance & Insurance (1.6 times), and Management of Companies & Enterprises (1.56 times) industries.

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Highest Paying

The highest paying industries in Mercer County, NJ, by median earnings, are Management of Companies & Enterprises ($134,477), Professional, Scientific, & Technical Services ($87,956), and Real Estate & Rental & Leasing ($80,045).

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Domestic Trade

Domestic Production & Consumption

Domestic production and consumption consists of products and services shipped from New Jersey to other states, or from other states to New Jersey.
Top Domestic Production in Dollars
  1. $57.4B
  2. $52.6B
  3. $51.9B

In 2018, the top outbound New Jersey product (by dollars) was Motorized vehicles with $57.4B, followed by Electronics ($52.6B) and Pharmaceuticals ($51.9B).

The following chart shows the share of these products in relation to all outbound New Jersey products.

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Domestic Trade Growth

Showing data for New Jersey.
$660B
2018 Value in New Jersey
$1.36T
Projected 2045 Value in New Jersey
105% growth

In 2018, total outbound New Jersey trade was $660B. This is expected to increase 105% to $1.36T by 2045.

The following chart shows how the domestic outbound New Jersey trade is projected to change in comparison to its neighboring states.

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Interstate Trade

Interstate trade consists of products and services shipped from New Jersey to other states, or from other states to New Jersey.
Most Common Trade Partners
  1. $115B
  2. $64.9B
  3. $23.7B

In 2018, the top outbound New Jersey domestic partner for goods and services (by dollars) was New York with $115B, followed by Pennsylvania with $64.9B and California and $23.7B.

The following map shows the amount of trade that New Jersey shares with each state (excluding itself).

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Civics

In the 2016 presidential election, the popular vote in Mercer County, NJ went to Hillary Rodham Clinton with 66.9% of the vote. The runner-up was Donald J. Trump (29.5%), followed by Other (3.55%). The most partisan county was Essex County, NJ with 77.5% of the vote going to Hillary Rodham Clinton running for the Democratic Party.

Bob Menendez and Cory Booker are the senators currently representing the state of New Jersey. In the United States, senators are elected to 6-year terms with the terms for individual senators staggered.

New Jersey is currently represented by 12 members in the U.S. house, and members of the House of Representives are elected to 2-year terms.

Presidential Popular Vote by County

Presidential voting results are only available at the county level. Showing data for the counties inside of New Jersey.
Showing data up to the 2016 election. Updated election results are currently being processed, and will be released in the coming months.
Hillary Rodham Clinton
Popular Vote for Mercer County, NJ
66.9% for the Democratic Party
Most Partisan Counties in New Jersey
  1. 77.5% for Hillary Rodham Clinton (Democratic Party)
  2. 74.7% for Hillary Rodham Clinton (Democratic Party)
  3. 66.9% for Hillary Rodham Clinton (Democratic Party)

In the 2016 presidential election, the most partisan county in New Jersey was Essex County, NJ with 77.5% of the vote going to Hillary Rodham Clinton running for the Democratic Party.

The following map shows the counties in New Jersey colored by their party leaning.

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US Senators from New Jersey

Senatorial voting results are only available at the state level. Showing data for New Jersey.
Bob Menendez
Senator from New Jersey1
Assumed office on January 17, 2006
Appointed to the seat following the resignation of Jon Corzine, who had become Governor of New Jersey.
Cory Booker
Senator from New Jersey2
Assumed office on October 31, 2013
Elected to the seat to succeed Jeffrey Chiesa, who had been appointed to the seat following the death of Frank Lautenberg.

Bob Menendez and Cory Booker are the senators currently representing New Jersey.

In the United States, senators are elected to 6-year terms with the terms for individual senators staggered.

The following chart shows elected senators in New Jersey over time, excluding special elections, colored by their political party.

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US Representatives from New Jersey

New Jersey is currently represented by 12 members in the U.S. house.

Members of the House of Representives are elected to 2-year terms, and the following chart shows the how the members for New Jersey have changed over time starting in 2008.

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Education

In 2019, universities in Mercer County, NJ awarded 9,820 degrees. The student population of Mercer County, NJ is skewed towards women, with 19,549 male students and 19,907 female students.

Most students graduating from Universities in Mercer County, NJ are White (5,269 and 58.2%), followed by Hispanic or Latino (989 and 10.9%), Black or African American (913 and 10.1%), and Asian (820 and 9.05%).

The largest universities in Mercer County, NJ by number of degrees awarded are Thomas Edison State University (2,599 and 26.5%), Princeton University (2,335 and 23.8%), and The College of New Jersey (2,108 and 21.5%).

The most popular majors in Mercer County, NJ are General Business Administration & Management (840 and 8.55%), Liberal Arts & Sciences (758 and 7.72%), and Other Multidisciplinary Studies (551 and 5.61%).

The median tuition costs in Mercer County, NJ are $47,795 for private four year colleges, and $10,583 and $17,537 respectively, for public four year colleges for in-state students and out-of-state students.

Concentrations

Most Common
  1. 389 degree-majorss awarded
  2. 548 degree-majorss awarded
  3. 450 degree-majorss awarded

In 2019, the most common concentation for Bachelors Degree recipients in Mercer County, NJ was Liberal Arts & Sciences with 389 degrees awarded.

This visualization illustrates the percentage of students graduating with a Bachelors Degree from schools in Mercer County, NJ according to their major.

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Universities

Largest Universities by degrees awarded
  1. 2,599 degrees awarded
  2. 2,335 degrees awarded
  3. 2,108 degrees awarded
$10,583
Median In-State Public
$47,795
Median Private

In 2019, the Mercer County, NJ institution with the largest number of graduating students was Thomas Edison State University with 2,599 degrees awarded.

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Student Gender for Common Institutions

4,649
Degrees Awarded to Men
5,171
Degrees Awarded to Women

In 2019, 4,649 men were awarded degrees from institutions in Mercer County, NJ, which is 0.899 times less than the 5,171 female students who received degrees in the same year.

This chart displays the gender disparity between the top 5 institutions in Mercer County, NJ by degrees awarded.

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Student Race and Ethnicity

Most Common Student Race or Ethnicity
  1. White
    5,269 degrees awarded
  2. Hispanic or Latino
    989 degrees awarded
  3. Black or African American
    913 degrees awarded

In 2019 the most common race/ethnicity group awarded degrees at institutions in Mercer County, NJ was White students. These 5,269 degrees mean that there were 5.33 times more degrees awarded to White students then the next closest race/ethnicity group, Hispanic or Latino, with 989 degrees awarded.

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Housing & Living

The median property value in Mercer County, NJ was $291,600 in 2019, which is 1.21 times larger than the national average of $240,500. Between 2018 and 2019 the median property value increased from $289,700 to $291,600, a 0.656% increase. The homeownership rate in Mercer County, NJ is 62.6%, which is lower than the national average of 64.1%. People in Mercer County, NJ have an average commute time of 27.8 minutes, and they drove alone to work. Car ownership in Mercer County, NJ is approximately the same as the national average, with an average of 2 cars per household.

Housing

Property Value

$291,600
2019 Median
± $10,824
$289,700
2018 Median
± $12,538

In 2019, the median property value in Mercer County, NJ grew to to $291,600 from the previous year's value of $289,700.

The following charts display, first, the property values in Mercer County, NJ compared to it's parent and neighbor geographies and, second, owner-occupied housing units distributed between a series of property value buckets compared to the national averages for each bucket. In Mercer County, NJ the largest share of households have a property value in the $300k - $400k range.

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Household Income

Please note that the buckets used in this visualization were not evenly distributed by ACS when publishing the data.
$79,492
Median Household Income
± $5,633
131k
Number of Households
± 6,463

In 2019, the median household income of the 131k households in Mercer County, NJ declined from $79,492 from the previous year's value of $80,632.

The following chart displays the households in Mercer County, NJ distributed between a series of income buckets compared to the national averages for each bucket. The largest share of households have an income in the $200k+ range.

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Property Taxes

$3k+
Average Range

This chart shows the households in Mercer County, NJ distributed between a series of property tax buckets compared to the national averages for each bucket. In Mercer County, NJ the largest share of households pay taxes in the $3k+ range.

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Rent vs Own

62.6%
2019 Homeownership
62.6%
2018 Homeownership

In 2019, 62.6% of the housing units in Mercer County, NJ were occupied by their owner. This percentage declined from the previous year's rate of 62.6%.

This percentage of owner-occupation is lower than the national average of 64.1%. This chart shows the ownership percentage in Mercer County, NJ compared it's parent and neighboring geographies.

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Commute Time

27.8 minutes
Average Travel Time

Using averages, employees in Mercer County, NJ have a longer commute time (27.8 minutes) than the normal US worker (26 minutes). Additionally, 7.39% of the workforce in Mercer County, NJ have "super commutes" in excess of 90 minutes.

The chart below shows how the median household income in Mercer County, NJ compares to that of it's neighboring and parent geographies.

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Commuter Transportation

Most Common Commute in 2019
  1. Drove Alone (70.3%)
  2. Carpooled (10.5%)
  3. Public Transit (7.7%)

In 2019, 70.3% of workers in Mercer County, NJ drove alone to work, followed by those who carpooled to work (10.5%) and those who used public transit to get to work (7.7%).

The following chart shows the number of households using each mode of transportation over time, using a logarithmic scale on the y-axis to help better show variations in the smaller means of commuting.

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Transportation

Car Ownership

2 cars
Average Number

The following chart displays the households in Mercer County, NJ distributed between a series of car ownership buckets compared to the national averages for each bucket. The largest share of households in Mercer County, NJ have 2 cars, followed by false.

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Health

92.6% of the population of Mercer County, NJ has health coverage, with 59% on employee plans, 12.8% on Medicaid, 12.4% on Medicare, 8.16% on non-group plans, and 0.286% on military or VA plans.

Per capita personal health care spending in New Jersey was $8,859 in 2014. This is a 4.91% increase from the previous year ($8,444).

Primary care physicians in Mercer County, NJ see 999 patients per year on average, which represents a 0.807% increase from the previous year (991 patients). Compare this to dentists who see 1185 patients per year, and mental health providers who see 295 patients per year.

Comparing across all counties in the state, Salem County has the highest prevalence of diabetes (15.6%). Additionally, Salem County has the highest prevalence of adult obesity (39%)

Patient to Clinician Ratios

999 to 1
Patient to Primary Care Physician Ratio in Mercer County, NJ

Primary care physicians in Mercer County, NJ see an average of 999 patients per year. This represents a 0.807% increase from the previous year (991 patients).

The following chart shows how the number of patients seen by primary care physicians has been changing over time in Mercer County, NJ in comparison to its neighboring geographies.

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Behavioral Health Conditions

Data only available at the state level.
State with the Highest Prevalence
  1. 8.26% of the population affected
  2. 8.13% of the population affected
  3. 7.98% of the population affected

In 2016, West Virginia had the highest prevalence of adults with major depressive episode, with 8.26% of the population affected. The second highest is Arkansas (8.13%), followed by New Hampshire (7.98%).

The following map shows the percent of individuals with major depressive episode by state over multiple years.

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Access and Quality

Data only available at state level.
Most prevalent states
  1. 19.2% of adults
  2. 17.9% of adults
  3. 17.6% of adults

In 2016, Mississippi had the highest prevalence of adults who haven't seen a doctor in the past 12 months due to cost, at 19.2%. It is followed by Texas (17.9%) and Louisiana (17.6%).

The following map shows the prevalence of adults who haven't seen a doctor in the past 12 months due to cost by state over multiple years.

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Health Care Spending

Data is only available at the state level. Showing data for New Jersey.
$8,859
Total Per Capita Spending on Personal Health Care in New Jersey
$5,081
Per Enrollee Private Health Insurance Spending on Personal Health Care
$8,049
Per Enrollee Medicaid Spending on Personal Health Care
$12,614
Per Enrollee Medicare Spending on Personal Health Care

Between 2013 and 2014, all personal health care spending per capita in New Jersey (including private, Medicare, and Medicaid) grew 4.91%, from $8,444 to $8,859.

The following chart shows how this spending changed over time in comparison to Medicaid, Medicare, and private insurance spending, per enrollee.

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Health Care Coverage

7.36%
Uninsured
59%
Employer Coverage
12.8%
Medicaid
12.4%
Medicare
8.16%
Non-Group
0.286%
Military or VA

Between 2018 and 2019, the percent of uninsured citizens in Mercer County, NJ declined by 7.75% from 7.98% to 7.36%.

The following chart shows how the percent of uninsured individuals in Mercer County, NJ changed over time compared with the percent of individuals enrolled in various types of health insurance.

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Health Risks

Data available at the county level.
Most at risk counties
  1. 15.6% prevalence
  2. 13.4% prevalence
  3. 13.2% prevalence

Salem County has the highest prevalence of diabetes in New Jersey, at 15.6%.

The following map shows the prevalence of diabetes in New Jersey by county over multiple years.

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