ZIP Code 94523

ZIP Code Tabulation Area in Contra Costa County, California.

Population: 34,789
Median household income: $142,622
Median home value: $1,038,400

ZIP Code 94523 (Contra Costa County, California) is home to about 34,789 residents. The median household income of $142,622 is above the Contra Costa County median ($125,727).

From 2019 to 2023, ZIP Code 94523's population held roughly steady from 35,005 to 34,789, while its median gross rent rose 24.7% from $1,988 to $2,479.

60.5% of homes are single-family detached houses. The typical home was built around 1971.

Demographics

ACS 2019–2023

Population: 34,789
Median age: 42.6 yrs
Median household income: $142,622
Median home value: $1,038,400
Median gross rent: $2,479
Housing units: 14,585
Homeownership rate: 63.5%
Bachelor's degree or higher: 55.9%
Unemployment rate: 4.4%

Trends

ACS 5-year · 2019–2023

Population

35,00534,789

Median household income

$117,568$142,622

Median home value

$719,000$1,038,400

Median gross rent

$1,988$2,479

Year	Population	Median household income	Median home value	Median gross rent
2019	35,005	$117,568	$719,000	$1,988
2020	34,929	$124,375	$779,700	$2,076
2021	34,957	$130,277	$827,200	$2,230
2022	34,964	$136,787	$959,200	$2,400
2023	34,789	$142,622	$1,038,400	$2,479

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 55.1%

5 to 1714.9%

18 to 247.5%

25 to 3411.1%

35 to 4415.8%

45 to 5414.4%

55 to 6412.8%

65 to 7411.3%

75 and over7.1%

	Count	Share
Under 5	1,773	5.1%
5 to 17	5,188	14.9%
18 to 24	2,599	7.5%
25 to 34	3,861	11.1%
35 to 44	5,487	15.8%
45 to 54	5,027	14.4%
55 to 64	4,450	12.8%
65 to 74	3,918	11.3%
75 and over	2,486	7.1%

Race & ethnicity

	Count	Share
White (non-Hispanic)	19,519	56.1%
Black or African American	1,219	3.5%
American Indian & Alaska Native	22	0.1%
Asian	5,933	17.1%
Native Hawaiian & Pacific Islander	235	0.7%
Some other race	234	0.7%
Two or more races	2,341	6.7%
Hispanic or Latino (any race)	5,286	15.2%

Educational attainment (age 25+)

No high school diploma4.1%

High school graduate13.1%

Some college or associate's26.8%

Bachelor's degree33.6%

Graduate or professional degree22.3%

	Count	Share
No high school diploma	1,041	4.1%
High school graduate	3,311	13.1%
Some college or associate's	6,770	26.8%
Bachelor's degree	8,488	33.6%
Graduate or professional degree	5,619	22.3%

Commute to work

Mean travel time to work: 30 min

Drove alone55.9%

Carpooled11.2%

Public transit5.8%

Walked2.5%

Bicycle0.6%

Worked from home22.8%

Other means1.1%

How workers get to work

	Count	Share
Drove alone	10,014	55.9%
Carpooled	2,005	11.2%
Public transit	1,042	5.8%
Walked	454	2.5%
Bicycle	106	0.6%
Worked from home	4,083	22.8%
Other means	196	1.1%

Travel time

	Count	Share
Under 15 min	3,189	23.1%
15 to 29 min	4,485	32.5%
30 to 44 min	2,372	17.2%
45 to 59 min	1,618	11.7%
60+ min	2,153	15.6%

Households

Average household size: 2.47
Poverty rate: 6.4% (2,188 of 34,385)

	Count	Share
Family households	9,174	66.4%
Nonfamily households	4,643	33.6%

Housing

Median year structure built: 1971

Occupancy

	Count	Share
Occupied	13,817	94.7%
Vacant	768	5.3%

Tenure (of occupied units)

	Count	Share
Owner-occupied	8,772	63.5%
Renter-occupied	5,045	36.5%

1-unit, detached60.5%

1-unit, attached9.6%

2 to 4 units6.5%

5 to 19 units6.7%

20 or more units16.4%

Mobile home & other0.4%

Units in structure

	Count	Share
1-unit, detached	8,819	60.5%
1-unit, attached	1,393	9.6%
2 to 4 units	951	6.5%
5 to 19 units	972	6.7%
20 or more units	2,391	16.4%
Mobile home & other	59	0.4%

ZIP Code 94523

Demographics

Trends

Age distribution

Race & ethnicity

Educational attainment (age 25+)

Commute to work

Households

Housing

Geography

Counties this ZIP covers

Compare with nearby ZIP codes

National ZIP rankings

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