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ZIP CODE TABULATION AREA

94523

California · 34,592 residents · 7.21 sq mi
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ZIP 94523 is home to 34,592 people in Contra Costa County. Median home value sits at $1,076,600. 55% of adults hold a bachelor's degree, against 36% nationally. Households take in $142,586 a year at the median, 73% more than the country as a whole. Median rent is $2,501 a month. There are 4,800 people per square mile. Among the 42 ZIP codes in Contra Costa County, 94523 ranks 15th by median household income.

$142,586
US average: $82,259
$65,935
US average: $44,673
$1,076,600
US average: $376,019
55.1%
US average: 35.6%
Land area
7.21 sq mi
Age, sex & households
Under 18
20.2%
Age 65+
17.7%
49.9%
50.1%
2.52 people
Race & ethnicity · 2024
2024
White, non-Hispanic55.4%(19,149)
Black3.9%(1,366)
Hispanic / Latino14.8%(5,105)
Asian16.7%(5,768)
Other9.3%(3,204)
79
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
7.6
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
LOWEST15TH OF 42HIGHEST
Adjacent ZIPs
94505$146,480
94506$250,001
94507$250,001
94509$86,196
Frequently asked

How many people live in ZIP code 94523?

ZIP code 94523 has about 34,592 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 94523?

The typical household in ZIP code 94523 earns about $142,586 a year. Half of households make more than that, and half make less.

Is ZIP code 94523 expensive?

In ZIP code 94523, the median home is worth about $1,076,600, and the typical rent is about $2,501 a month.

How educated are people in ZIP code 94523?

About 55.1% of adults age 25 and over in ZIP code 94523 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 94523?

About 7.4% of people in ZIP code 94523 live below the federal poverty line.

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