Contra Costa County, CA

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Population

1.15M

0.242% growth

Median Age

40


Median Household Income

$101,618

6.59% growth

Poverty Rate

9.75%


Number of Employees

577,749

3.4% growth

Median Property Value

$670,000

4.31% growth

About

Economy

Health

Diversity

Education

Housing & Living

About

In 2018, Contra Costa County, CA had a population of 1.15M people with a median age of 40 and a median household income of $101,618. Between 2017 and 2018 the population of Contra Costa County, CA grew from 1.15M to 1.15M, a 0.242% increase and its median household income grew from $95,339 to $101,618, a 6.59% increase.

The population of Contra Costa County, CA is 43% White Alone, 25.8% Hispanic or Latino, and 16.8% Asian Alone. 36% of the people in Contra Costa County, CA speak a non-English language, and 88.9% are U.S. citizens.

The largest universities in Contra Costa County, CA are Diablo Valley College (2,828 degrees awarded in 2017), Los Medanos College (2,445 degrees), and Saint Mary's College of California (1,299 degrees).

The median property value in Contra Costa County, CA is $670,000, and the homeownership rate is 66.7%. Most people in Contra Costa County, CA commute by Drove Alone, and the average commute time is 37.3 minutes. The average car ownership in Contra Costa County, CA is 2 cars per household.

Photo by Images by John 'K'

United StatesCaliforniaSan Francisco-Oakland-Hayward, CA

Economy

The economy of Contra Costa County, CA employs 578k people. The largest industries in Contra Costa County, CA are Health Care & Social Assistance (82,497 people), Professional, Scientific, & Technical Services (62,678 people), and Retail Trade (56,870 people), and the highest paying industries are Mining, Quarrying, & Oil & Gas Extraction ($154,799), Utilities ($116,777), and Management of Companies & Enterprises ($115,951).

Median household income in Contra Costa County, CA is $101,618. Males in Contra Costa County, CA have an average income that is 1.26 times higher than the average income of females, which is $62,298. The income inequality in Contra Costa County, CA (measured using the Gini index) is 0.499, which is higher than than the national average.

Wages

Median Household Income

$101,618

2018 value

± $1,585

6.59%

1 Year Growth

± 3.03%

Households in Contra Costa County, CA have a median annual income of $101,618, 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 $95,339 in 2017, which represents a 6.59% annual growth.

Look at the chart to see how the median household income in Contra Costa County, CA compares to that of it's 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 California.

$78,575

Average Male Salary

± $755

$62,298

Average Female Salary

± $633

In 2018, full-time male employees in California made 1.26 times more than female employees.

This chart shows the gender-based wage disparity in the 5 most common occupations in California 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 California.

Highest Average Salaries by Race & Ethnicity

  1. Asian

    $73,860 ± $1,174

  2. White

    $65,115 ± $611

  3. Two or More Races

    $54,912 ± $1,843

In 2018 the highest paid race/ethnicity of California workers was Asian. These workers were paid 1.13 times more than White workers, who made the second highest salary of any race/ethnicity.

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

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Wage Distribution

The closest comparable wage GINI for Contra Costa County, CA is from California.

0.499

2018 Wage GINI

0.497

2017 Wage GINI

In 2018, the income inequality in California was 0.499 according to the GINI calculation of the wage distribution. Income inequality had a 0.324% growth from 2017 to 2018, which means that wage distribution grew somewhat less even.

The 2018 the GINI for California was higher than than the national average of 0.479. In other words, wages are distributed less evenly in California in comparison to the national average.

This chart shows the number of workers in California 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. Census Tract 3551.17

  2. Census Tract 3540.02

  3. Census Tract 3461.02

In 2017, the tract with the highest Median Household Income (Total) in Contra Costa County, CA was Census Tract 3551.17 with a value of $241,552, followed by Census Tract 3540.02 and Census Tract 3461.02, with respective values of $238,750 and $235,179.

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

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Poverty by Age and Gender

Females 25 - 34

Largest Demographic Living in Poverty

9.75% of the population for whom poverty status is determined in Contra Costa County, CA (109k out of 1.11M people) live below the poverty line, a number that is lower than the national average of 13.1%. The largest demographic living in poverty are Females 25 - 34, followed by Females 35 - 44 and then Females 18 - 24.

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

    49,862 ± 1,789

  2. Hispanic

    41,545 ± 1,559

  3. Black

    17,858 ± 1,162

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

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

578k

2018 Value

± 13,010

3.4%

1 Year growth

± 3.1%

From 2017 to 2018, employment in Contra Costa County, CA grew at a rate of 3.4%, from 559k employees to 578k employees.

The most common job groups, by number of people living in Contra Costa County, CA, are Management Occupations (72,961 people), Office & Administrative Support Occupations (59,436 people), and Sales & Related Occupations (59,070 people). This chart illustrates the share breakdown of the primary jobs held by residents of Contra Costa County, CA.

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Most Common

The most common jobs held by residents of Contra Costa County, CA, by number of employees, are Management Occupations (72,961 people), Office & Administrative Support Occupations (59,436 people), and Sales & Related Occupations (59,070 people).

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Most Specialized

Compared to other counties, Contra Costa County, CA has an unusually high number of residents working as Computer & Mathematical Occupations (1.4 times higher than expected), Business & Financial Operations Occupations (1.33 times), and Life, Physical, & Social Science Occupations (1.28 times).

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Highest Paid

The highest paid jobs held by residents of Contra Costa County, CA, by median earnings, are Law Enforcement Workers Including Supervisors ($113,036), Management Occupations ($112,060), and Legal Occupations ($111,089).

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Industries

Employment by Industries

578k

2018 Value

± 13,010

3.4%

1 Year growth

± 3.1%

From 2017 to 2018, employment in Contra Costa County, CA grew at a rate of 3.4%, from 559k employees to 578k employees.

The most common employment sectors for those who live in Contra Costa County, CA, are Health Care & Social Assistance (82,497 people), Professional, Scientific, & Technical Services (62,678 people), and Retail Trade (56,870 people). This chart shows the share breakdown of the primary industries for residents of Contra Costa County, CA, though some of these residents may live in Contra Costa County, CA 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 Contra Costa County, CA, by number of employees, are Health Care & Social Assistance (82,497 people), Professional, Scientific, & Technical Services (62,678 people), and Retail Trade (56,870 people).

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Most Specialized

Compared to other counties, Contra Costa County, CA has an unusually high number of Professional, Scientific, & Technical Services (1.44 times higher than expected), Information (1.3 times), and Finance & Insurance (1.25 times) industries.

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Highest Paying

The highest paying industries in Contra Costa County, CA, by median earnings, are Mining, Quarrying, & Oil & Gas Extraction ($154,799), Utilities ($116,777), and Management of Companies & Enterprises ($115,951).

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Domestic Trade

Domestic Production & Consumption

Domestic production and consumption consists of products and services shipped from California to other states, or from other states to California.

Top Domestic Production in Dollars

  1. Electronics

    $232B

  2. Mixed freight

    $172B

  3. Gasoline

    $136B

In 2015, the top outbound California product (by dollars) was Electronics with $232B, followed by Mixed freight ($172B) and Gasoline ($136B).

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

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Domestic Trade Growth

Showing data for California state.

$1.7T

2020 Value

$2.48T

Projected 2045 Value

46.3% growth

In 2020, total outbound California trade was $1.7T. This is expected to increase 46.3% to $2.48T by 2045.

The following chart shows how the domestic outbound California 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 California to other states, or from other states to California.

Most Common Trade Partners

  1. Texas

    $71.8B

  2. Arizona

    $46.9B

  3. Washington

    $34B

In 2015, the top outbound California domestic partner for goods and services (by dollars) was Texas with $71.8B, followed by Arizona with $46.9B and Washington and $34B.

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

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Health

95% of the population of Contra Costa County, CA has health coverage, with 53.9% on employee plans, 15.7% on Medicaid, 11.4% on Medicare, 13.3% on non-group plans, and 0.696% on military or VA plans.

Per capita personal health care spending in the county of Contra Costa County, CA was $7,549 in 2014. This is a 4.04% increase from the previous year ($7,256).

Primary care physicians in Contra Costa County, CA see 1002 patients per year on average, which represents a 1.47% decrease from the previous year (1017 patients). Compare this to dentists who see 1182 patients per year, and mental health providers who see 324 patients per year.

Comparing across all counties in the state, Tehama County has the highest prevalence of diabetes (10.6%). Additionally, Tulare County has the highest prevalence of adult obesity (33.4%)

Patient to Clinician Ratios

1,002 to 1

Patient to Primary Care Physician Ratio

Primary care physicians in Contra Costa County, CA see an average of 1,002 patients per year. This represents a 1.47% decrease from the previous year (1,017 patients).

The following chart shows how the number of patients seen by primary care physicians has been changing over time in Contra Costa County, CA in comparison to neighboring states.

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Behavioral Health Conditions

Data only available at the state level.

State with the Highest Prevalence

  1. West Virginia

    8.26% of the population affected

  2. Arkansas

    8.13% of the population affected

  3. New Hampshire

    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. Mississippi

    19.2% of adults

  2. Texas

    17.9% of adults

  3. Louisiana

    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 California.

$7,549

Total Per Capita Spending on Personal Health Care 

$4,735

Per Enrollee Private Health Insurance Spending on Personal Health Care

$5,368

Per Enrollee Medicaid Spending on Personal Health Care

$11,833

Per Enrollee Medicare Spending on Personal Health Care

Between 2013 and 2014, all personal health care spending per capita in California (including private, Medicare, and Medicaid) grew 4.04%, from $7,256 to $7,549.

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

5.04%

Uninsured

53.9%

Employer Coverage

15.7%

Medicaid

11.4%

Medicare

13.3%

Non-Group

0.696%

Military or VA

Between 2016 and 2017, the percent of uninsured citizens in Contra Costa County, CA grew by 0.151% from 5.03% to 5.04%.

The following chart shows how the percent of uninsured individuals in Contra Costa County, CA 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. Tehama County

    10.6% prevalence

  2. San Joaquin County

    10.5% prevalence

  3. Alpine County

    10.3% prevalence

Tehama County has the highest prevalence of diabetes in California, at 10.6%.

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

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Diversity

Contra Costa County, CA is home to a population of 1.15M people, from which 88.9% are citizens. As of 2017, 24.2% of Contra Costa County, CA residents were born outside of the country (278k people).

The ethnic composition of the population of Contra Costa County, CA is composed of 494k White Alone residents (43%), 297k Hispanic or Latino residents (25.8%), 193k Asian Alone residents (16.8%), 98.2k Black or African American Alone residents (8.54%), 54.7k Two or More Races residents (4.76%), 5.6k Native Hawaiian & Other Pacific Islander Alone residents (0.487%), 4.59k Some Other Race Alone residents (0.399%), and 2.5k American Indian & Alaska Native Alone residents (0.217%).

The most common foreign languages spoken in Contra Costa County, CA are Spanish (199,831 speakers), Chinese (Incl. Mandarin, Cantonese) (35,725 speakers), and Tagalog (Incl. Filipino) (31,687 speakers).

Age

Age by Nativity

35

Median Native-Born Age

± 0.4

47

Median Foreign-Born Age

± 0.5

In 2018, the median age of all people in Contra Costa County, CA was 40. Native-born citizens, with a median age of 35, were generally younger than than foreign-born citizens, with a median age of 47. But people in Contra Costa County, CA are getting getting older. In 2017, the average age of all Contra Costa County, CA residents was 40.

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Heritage

Foreign-Born Population

24.2%

2017 Foreign-Born Population

278k people

23.8%

2016 Foreign-Born Population

270k people

As of 2017, 24.2% of Contra Costa County, CA residents (278k people) were born outside of the United States, which is higher than the national average of 13.7%. In 2016, the percentage of foreign-born citizens in Contra Costa County, CA was 23.8%, meaning that the rate has been increasing.

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

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Global Diversity

The PUMS dataset is not available at the County level, so we are showing data for California.

Most Common Origin

  1. Mexico

    4,032,642 ± 46,722 people

  2. Philippines

    840,765 ± 22,271 people

  3. China

    696,409 ± 20,307 people

In 2018, the most common birthplace for the foreign-born residents of California was Mexico, the natal country of 4,032,642 California residents, followed by Philippines with 840,765 and China with 696,409.

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Citizenship

88.9%

2018 Citizenship

88.5%

2017 Citizenship

As of 2018, 88.9% of Contra Costa County, CA residents were US citizens, which is lower than the national average of 93.2%. In 2017, the percentage of US citizens in Contra Costa County, CA was 88.5%, meaning that the rate of citizenship has been increasing.

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

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Race and Ethnicity

Most Common

  1. White Alone

    494k ± 2.06k

  2. Hispanic or Latino

    297k ± 14.9k

  3. Asian Alone

    193k ± 3.96k

In 2018, there were 1.66 times more White Alone residents (494k people) in Contra Costa County, CA than any other race or ethnicity. There were 297k Hispanic or Latino and 193k Asian Alone residents, the second and third most common racial or ethnic groups.

The following bar chart shows the 8 races and ethnicities represented in Contra Costa County, CA as a share of the total population.

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Non-English Speakers

Most Common Languages

  1. Spanish

    199,831 speakers (18.4%)

  2. Chinese (Incl. Mandarin, Cantonese)

    35,725 speakers (3.29%)

  3. Tagalog (Incl. Filipino)

    31,687 speakers (2.92%)

36% of Contra Costa County, CA citizens are speakers of a non-English language, which is higher than the national average of 21.9%. In 2018, the most common non-English language spoken in Contra Costa County, CA was Spanish. 18.4% of the overall population of Contra Costa County, CA are native Spanish speakers. 3.29% speak Chinese (Incl. Mandarin, Cantonese) and 2.92% speak Spanish, the next two most common languages.

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Military

Veterans

Most Common Service Period

  1. Vietnam

    16,981 ± 1,954

  2. Gulf War (2001-)

    5,885 ± 1,270

  3. Gulf War (1990s)

    4,910 ± 1,127

Contra Costa County, CA has a large population of military personnel who served in Vietnam, 2.89 times greater than any other conflict.

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Education

In 2017, universities in Contra Costa County, CA awarded 8,410 degrees. The student population of Contra Costa County, CA is skewed towards women, with 18,249 male students and 22,807 female students.

Most students graduating from Universities in Contra Costa County, CA are White (2,745 and 35%), followed by Hispanic or Latino (2,379 and 30.4%), Asian (1,237 and 15.8%), and Black or African American (716 and 9.14%).

The largest universities in Contra Costa County, CA by number of degrees awarded are Diablo Valley College (2,828 and 33.6%), Los Medanos College (2,445 and 29.1%), and Saint Mary's College of California (1,299 and 15.4%).

The most popular majors in Contra Costa County, CA are Liberal Arts & Sciences (1,470 and 17.5%), Biological & Physical Sciences (673 and 8%), and General Business Administration & Management (499 and 5.93%).

The median tuition costs in Contra Costa County, CA are $34,408 for private four year colleges, and $N/A and $N/A respectively, for public four year colleges for in-state students and out-of-state students.

Concentrations

Most Common

  1. Liberal Arts & Sciences

    405 degrees awarded

  2. General Business Administration & Management

    303 degrees awarded

  3. Biological & Physical Sciences

    496 degrees awarded

In 2015, the most common concentation for Associates Degree recipients in Contra Costa County, CA was Liberal Arts & Sciences with 405 degrees awarded.

This visualization illustrates the percentage of students graduating with a Associates Degree from schools in Contra Costa County, CA according to their major.

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Universities

Largest Universities by degrees awarded

  1. Diablo Valley College

    2,828 degrees awarded

  2. Los Medanos College

    2,445 degrees awarded

  3. Saint Mary's College of California

    1,299 degrees awarded

$N/A

Median In-State Public

$34,408

Median Private

In 2017, the Contra Costa County, CA institution with the largest number of graduating students was Diablo Valley College with 2,828 degrees awarded.

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Student Gender for Common Institutions

3,282

Degrees Awarded to Men

5,128

Degrees Awarded to Women

In 2017, 3,282 men were awarded degrees from institutions in Contra Costa County, CA, which is 0.64 times less than the 5,128 female students who received degrees in the same year.

This chart displays the gender disparity between the top 5 institutions in Contra Costa County, CA by degrees awarded.

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Student Race and Ethnicity

Most Common Student Race or Ethnicity

  1. White

    2,745 degrees awarded

  2. Hispanic or Latino

    2,379 degrees awarded

  3. Asian

    1,237 degrees awarded

In 2017 the majority of degrees awarded at institutions in Contra Costa County, CA were to White students. These 2,745 degrees mean that there were 1.15 times more White students then the next closest race/ethnicity group, Hispanic or Latino, with 2,379 degrees awarded.

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Housing & Living

The median property value in Contra Costa County, CA was $670,000 in 2018, which is 2.92 times larger than the national average of $229,700. Between 2017 and 2018 the median property value increased from $642,300 to $670,000, a 4.31% increase. The homeownership rate in Contra Costa County, CA is 66.7%, which is higher than the national average of 63.9%. People in Contra Costa County, CA have an average commute time of 37.3 minutes, and they commute by Drove Alone. Car ownership in Contra Costa County, CA is approximately the same as the national average, with an average of 2 cars per household.

Housing

Property Value

$670,000

2018 Median

± $8,126

$642,300

2017 Median

± $10,632

In 2018, the median property value in Contra Costa County, CA grew to to $670,000 from the previous year's value of $642,300.

The following charts display, first, the property values in Contra Costa County, CA 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 Contra Costa County, CA the largest share of households have a property value in the $500k - $750k 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.

$101,618

Median Household Income

± $1,585

396k

Number of Households

± 9,457

In 2018, the median household income of the 396k households in Contra Costa County, CA grew to $101,618 from the previous year's value of $95,339.

The following chart displays the households in Contra Costa County, CA 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 Contra Costa County, CA distributed between a series of property tax buckets compared to the national averages for each bucket. In Contra Costa County, CA the largest share of households pay taxes in the $3k+ range.

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Rent vs Own

66.7%

2018 Homeownership

67.8%

2017 Homeownership

In 2018, 66.7% of the housing units in Contra Costa County, CA were occupied by their owner. This percentage declined from the previous year's rate of 67.8%.

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

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Commute Time

37.3 minutes

Average Travel Time

Using averages, employees in Contra Costa County, CA have a longer commute time (37.3 minutes) than the normal US worker (25.7 minutes). Additionally, 10.6% of the workforce in Contra Costa County, CA have "super commutes" in excess of 90 minutes.

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

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Commuter Transportation

Most Common Method of Travel

  1. Drove Alone

    67.1%

  2. Carpooled

    11.4%

  3. Public Transit

    11.2%

In 2018, the most common method of travel for workers in Contra Costa County, CA was Drove Alone (67.1%), followed by those who Carpooled (11.4%) and those who Public Transit (11.2%).

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 Contra Costa County, CA distributed between a series of car ownership buckets compared to the national averages for each bucket. The largest share of households in Contra Costa County, CA have 2 cars, followed by 3 cars.

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