Mercer County, NJ

County

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Population
369,811
1.31% 1-year decline
US Senator
Bob Menendez
Democratic Party
US Senator
Cory Booker
Democratic Party
Median Age
38.9

Median Household Income
$80,632
1.84% 1-year growth
Median Property Value
$289,700
1.4% 1-year decline
Number of Employees
N/A

About

In 2018, Mercer County, NJ had a population of 370k people with a median age of 38.9 and a median household income of $80,632. Between 2017 and 2018 the population of Mercer County, NJ declined from 374,733 to 369,811, a -1.31% decrease and its median household income grew from $79,173 to $80,632, a 1.84% increase.

The 5 largest ethnic groups in Mercer County, NJ are White (Non-Hispanic) (48.8%), Black or African American (Non-Hispanic) (20%), White (Hispanic) (12.6%), Asian (Non-Hispanic) (11.3%), and Other (Hispanic) (4.4%). NaNk% of the people in Mercer County, NJ speak a non-English language, and 88.1% are U.S. citizens.

The largest universities in Mercer County, NJ are Thomas Edison State University (2,824 degrees awarded in 2017), Princeton University (2,268 degrees), and The College of New Jersey (2,097 degrees).

The median property value in Mercer County, NJ is $289,700, and the homeownership rate is 62.6%. Most people in Mercer County, NJ commute by Drove Alone, and the average commute time is 25.3 minutes. The average car ownership in Mercer County, NJ is 2 cars per household.

About the photo: State Capitol Rotunda, Trenton, NJ

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.

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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Impact on Employment

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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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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Civics

In the 2016 presidential election, the popular vote in New Jersey 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.

Mercer County, NJ 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.
Hillary Rodham Clinton
Popular Vote for New Jersey
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 18, 2006
Cory Booker
Senator from New Jersey2
Assumed office on October 31, 2013
Elected to succeed Jeffrey Chiesa, who was 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, 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 Mercer County, NJ have changed over time starting in 2008.

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Diversity

Mercer County, NJ is home to a population of 370k people, from which 88.1% are citizens. As of N/A, N/A% of Mercer County, NJ residents were born outside of the country (N/A people).

In 2018, there were 2.44 times more White (Non-Hispanic) residents (180k people) in Mercer County, NJ than any other race or ethnicity. There were 74.1k Black or African American (Non-Hispanic) and 46.5k White (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)
    180k ± 210
  2. Black or African American (Non-Hispanic)
    74.1k ± 1.52k
  3. White (Hispanic)
    46.5k ± 5.19k
18.1%
Hispanic Population
67.1k people

In 2018, there were 2.44 times more White (Non-Hispanic) residents (180k people) in Mercer County, NJ than any other race or ethnicity. There were 74.1k Black or African American (Non-Hispanic) and 46.5k White (Hispanic) residents, the second and third most common ethnic groups.

18.1% of the people in Mercer County, NJ are hispanic (67.1k people).

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

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Age by Nativity

36
Median Native-Born Age
± 1.1
42
Median Foreign-Born Age
± 1.2

In 2018, the median age of all people in Mercer County, NJ was 38.9. Native-born citizens, with a median age of 36, were generally younger than than foreign-born citizens, with a median age of 42. But people in Mercer County, NJ are getting getting older. In 2017, the average age of all Mercer County, NJ residents was 38.

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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
    260,034 ± 12,336 people
  2. Dominican Republic
    194,328 ± 10,704 people
  3. Mexico
    107,599 ± 8,005 people

In 2018, the most common birthplace for the foreign-born residents of New Jersey was India, the natal country of 260,034 New Jersey residents, followed by Dominican Republic with 194,328 and Mexico with 107,599.

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Citizenship

88.1%
2018 Citizenship
87%
2017 Citizenship

As of 2018, 88.1% of Mercer County, NJ residents were US citizens, which is lower than the national average of 93.2%. In 2017, the percentage of US citizens in Mercer County, NJ was 87%, meaning that the rate of citizenship has been increasing.

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
    2,934 ± 823
  2. Gulf War (2001-)
    1,452 ± 776
  3. Korea
    1,078 ± 526

Mercer County, NJ has a large population of military personnel who served in Vietnam, 2.02 times greater than any other conflict.

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Economy

Median household income in Mercer County, NJ is $80,632. In N/A, the tract with the highest Median Household Income in Mercer County, NJ was N/A with a value of N/A, followed by N/A and N/A, with respective values of N/A and N/A.

Males in New Jersey have an average income that is 1.36 times higher than the average income of females, which is $65,578. 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 N/A people. The largest industries in Mercer County, NJ are Educational Services (25,196 people), Health Care & Social Assistance (22,397 people), and Retail Trade (20,614 people), and the highest paying industries are Finance & Insurance ($105,749), Professional, Scientific, & Technical Services ($83,646), and Finance & Insurance, & Real Estate & Rental & Leasing ($78,293).

Wages

Median Household Income

$80,632
2018 value
± $3,738
1.84%
1 Year Growth
± 7.78%

Households in Mercer County, NJ have a median annual income of $80,632, which is more than the median annual income of $61,937 across the entire United States. This is in comparison to a median income of $79,173 in 2017, which represents a 1.84% 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.
$89,489
Average Male Salary in New Jersey
± $1,731
$65,578
Average Female Salary in New Jersey
± $1,240

In 2018, full-time male employees in New Jersey made 1.36 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
    $86,392 ± $3,381
  2. White
    $72,755 ± $1,266
  3. Two or More Races
    $54,823 ± $4,874

In 2018 the highest paid race/ethnicity of New Jersey workers was Asian. These workers were paid 1.19 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
2018 Wage GINI in New Jersey
0.493
2017 Wage GINI in New Jersey

In 2018, the income inequality in New Jersey was 0.493 according to the GINI calculation of the wage distribution. Income inequality had a 0.0656% decline from 2017 to 2018, which means that wage distribution grew somewhat more even. The GINI for New Jersey was higher than than the national average of 0.479. 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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Highest Median Household Income (Total)
  1. N/A
  2. N/A
  3. N/A

In N/A, the tract with the highest Median Household Income (Total) in Mercer County, NJ was N/A with a value of N/A, followed by N/A and N/A, with respective values of N/A and N/A.

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

N/A N/A
Largest Demographic Living in Poverty

N/A% of the population for whom poverty status is determined in Mercer County, NJ (N/A out of N/A people) live below the poverty line, a number that is approximately the same as the national average of 13.1%. The largest demographic living in poverty are N/A N/A, followed by N/A N/A and then N/A N/A.

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

The most common racial or ethnic group living below the poverty line in Mercer County, NJ is N/A, followed by N/A and N/A.

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

N/A
N/A Value
± N/A

From N/A to N/A, employment in Mercer County, NJ stayed at a rate of NaNk%, from N/A employees to N/A employees.

The most common job groups, by number of people living in Mercer County, NJ, are N/A. 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 N/A.

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Most Specialized

Compared to other counties, Mercer County, NJ has an unusually high number of residents working as N/A.

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Highest Paid

The highest paid jobs held by residents of Mercer County, NJ, by median earnings, are Computer & Mathematical Occupations ($110,621), Computer, Engineering, & Science Occupations ($101,454), and Legal Occupations ($101,009).

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Industries

Employment by Industries

N/A
N/A Value
± N/A

From N/A to N/A, employment in Mercer County, NJ stayed at a rate of NaNk%, from N/A employees to N/A employees.

The most common employment sectors for those who live in Mercer County, NJ, are Educational Services (25,196 people), Health Care & Social Assistance (22,397 people), and Retail Trade (20,614 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 (25,196 people), Health Care & Social Assistance (22,397 people), and Retail Trade (20,614 people).

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Most Specialized

Compared to other counties, Mercer County, NJ has an unusually high number of Educational Services (1.47 times higher than expected), Public Administration (1.38 times), and Professional, Scientific, & Technical Services (1.24 times) industries.

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Highest Paying

The highest paying industries in Mercer County, NJ, by median earnings, are Finance & Insurance ($105,749), Professional, Scientific, & Technical Services ($83,646), and Finance & Insurance, & Real Estate & Rental & Leasing ($78,293).

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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. $48.1B
  2. $36.5B
  3. $35.3B

In 2015, the top outbound New Jersey product (by dollars) was Pharmaceuticals with $48.1B, followed by Electronics ($36.5B) and Motorized vehicles ($35.3B).

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.
$467B
2015 Value in New Jersey
$734B
Projected 2045 Value in New Jersey
57.1% growth

In 2015, total outbound New Jersey trade was $467B. This is expected to increase 57.1% to $734B 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. $70.5B
  2. $48.9B
  3. $16.6B

In 2015, the top outbound New Jersey domestic partner for goods and services (by dollars) was New York with $70.5B, followed by Pennsylvania with $48.9B and California and $16.6B.

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

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Education

In 2017, universities in Mercer County, NJ awarded 10,178 degrees. The student population of Mercer County, NJ is skewed towards women, with 20,074 male students and 21,260 female students.

Most students graduating from Universities in Mercer County, NJ are White (5,631 and 59.7%), followed by Black or African American (962 and 10.2%), Hispanic or Latino (927 and 9.83%), and Unknown (898 and 9.52%).

The largest universities in Mercer County, NJ by number of degrees awarded are Thomas Edison State University (2,824 and 27.7%), Princeton University (2,268 and 22.3%), and The College of New Jersey (2,097 and 20.6%).

The most popular majors in Mercer County, NJ are General Business Administration & Management (797 and 7.83%), Liberal Arts & Sciences (723 and 7.1%), and Registered Nursing (569 and 5.59%).

The median tuition costs in Mercer County, NJ are $43,855 for private four year colleges, and $9,966 and $16,941 respectively, for public four year colleges for in-state students and out-of-state students.

Concentrations

Most Common
  1. 396 degree-majorss awarded
  2. 487 degree-majorss awarded
  3. 422 degree-majorss awarded

In 2015, the most common concentation for Bachelors Degree recipients in Mercer County, NJ was Other Multidisciplinary Studies with 396 degree-majorss 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. 2,824 degrees awarded
  2. 2,268 degrees awarded
  3. 2,097 degrees awarded
$9,966
Median In-State Public
$43,855
Median Private

In 2017, the Mercer County, NJ institution with the largest number of graduating students was Thomas Edison State University with 2,824 degrees awarded.

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Student Gender for Common Institutions

4,711
Degrees Awarded to Men
5,467
Degrees Awarded to Women

In 2017, 4,711 men were awarded degrees from institutions in Mercer County, NJ, which is 0.862 times less than the 5,467 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
    5,631 degrees awarded
  2. Black or African American
    962 degrees awarded
  3. Hispanic or Latino
    927 degrees awarded

In 2017 the majority of degrees awarded at institutions in Mercer County, NJ were to White students. These 5,631 degrees mean that there were 5.85 times more White students then the next closest race/ethnicity group, Black or African American, with 962 degrees awarded.

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Housing & Living

The median property value in Mercer County, NJ was $289,700 in 2018, which is 1.26 times larger than the national average of $229,700. Between 2017 and 2018 the median property value increased from $293,800 to $289,700, a 1.4% decrease. The homeownership rate in Mercer County, NJ is 62.6%, which is lower than the national average of 63.9%. People in Mercer County, NJ have an average commute time of 25.3 minutes, and they commute by Drove Alone. 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

$289,700
2018 Median
± $12,538
$293,800
2017 Median
± $10,580

In 2018, the median property value in Mercer County, NJ declined from to $289,700 from the previous year's value of $293,800.

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.
$80,632
Median Household Income
± $3,738
133k
Number of Households
± 6,253

In 2018, the median household income of the 133k households in Mercer County, NJ grew to $80,632 from the previous year's value of $79,173.

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%
2018 Homeownership
63.5%
2017 Homeownership

In 2018, 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 63.5%.

This percentage of owner-occupation is lower than the national average of 63.9%. This chart shows the ownership percentage in Mercer County, NJ compared it's parent and neighboring geographies.

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Commute Time

25.3 minutes
Average Travel Time

Using averages, employees in Mercer County, NJ have a shorter commute time (25.3 minutes) than the normal US worker (25.7 minutes). Additionally, 5.18% 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 Method of Travel
  1. Drove Alone
    68.2%
  2. Carpooled
    13.7%
  3. Public Transit
    6.68%

In 2018, the most common method of travel for workers in Mercer County, NJ was Drove Alone (68.2%), followed by those who Carpooled (13.7%) and those who Public Transit (6.68%).

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 1 car.

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Health

N/A% of the population of Mercer County, NJ has health coverage, with N/A% on employee plans, N/A% on Medicaid, N/A% on Medicare, N/A% on non-group plans, and N/A% 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 938 patients per year on average, which represents a 2.6% decrease from the previous year (963 patients). Compare this to dentists who see 1271 patients per year, and mental health providers who see 343 patients per year.

Comparing across all counties in the state, Salem County has the highest prevalence of diabetes (12.1%). Additionally, Cumberland County has the highest prevalence of adult obesity (34.7%)

Patient to Clinician Ratios

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

Primary care physicians in Mercer County, NJ see an average of 938 patients per year. This represents a 2.6% decrease from the previous year (963 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

N/A%
Uninsured
N/A%
Employer Coverage
N/A%
Medicaid
N/A%
Medicare
N/A%
Non-Group
N/A%
Military or VA

Between N/A and N/A, the percent of uninsured citizens in Mercer County, NJ N/A by N/A from N/A% to N/A%.

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. 12.1% prevalence
  2. 11.7% prevalence
  3. 11.7% prevalence

Salem County has the highest prevalence of diabetes in New Jersey, at 12.1%.

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

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