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ZIP CODE TABULATION AREA

94509

California · 70,090 residents · 17.4 sq mi
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ZIP 94509 is a ZIP code of 70,090 people in Contra Costa County. 18% of adults hold a bachelor's degree, below the 36% national rate. The average commute runs 40 minutes. Median home value sits at $584,100. That trails the Contra Costa County median by roughly 32%. Density works out to 4,018 people per square mile. Among the 42 ZIP codes in Contra Costa County, 94509 ranks 36th by median household income.

$86,196
US average: $82,259
$37,545
US average: $44,673
$584,100
US average: $376,019
18.3%
US average: 35.6%
Land area
17.4 sq mi
Age, sex & households
Under 18
23.4%
Age 65+
15.3%
47.6%
52.4%
2.97 people
Race & ethnicity · 2024
2024
White, non-Hispanic23.7%(16,588)
Black13.9%(9,750)
Hispanic / Latino43.5%(30,492)
Asian9.4%(6,575)
Other9.5%(6,685)
90
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
6.8
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Within Contra Costa County
Income rank vs other ZIPs
LOWEST36TH OF 42HIGHEST
Adjacent ZIPs
94505$146,480
94506$250,001
94507$250,001
94511$74,972
Frequently asked

How many people live in ZIP code 94509?

ZIP code 94509 has about 70,090 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 94509?

The typical household in ZIP code 94509 earns about $86,196 a year. Half of households make more than that, and half make less.

Is ZIP code 94509 expensive?

In ZIP code 94509, the median home is worth about $584,100, and the typical rent is about $2,062 a month.

How educated are people in ZIP code 94509?

About 18.3% of adults age 25 and over in ZIP code 94509 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 94509?

About 13.4% of people in ZIP code 94509 live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024