ZIP Code 94531

ZIP Code Tabulation Area in Contra Costa County, California.

Population: 44,746
Median household income: $123,428
Median home value: $660,200

Covering part of Contra Costa County, California, ZIP Code 94531 has about 44,746 residents. At $123,428, its median household income sits in line with Contra Costa County's $125,727.

Between 2019 and 2023, ZIP Code 94531's population grew 4.0% from 43,022 to 44,746, while its median gross rent rose 35.1% from $2,268 to $3,063.

Owners occupy 72.3% of the area's occupied homes. The median resident is 38.9 years old.

Demographics

ACS 2019–2023

Population: 44,746
Median age: 38.9 yrs
Median household income: $123,428
Median home value: $660,200
Median gross rent: $3,063
Housing units: 13,888
Homeownership rate: 72.3%
Bachelor's degree or higher: 31.6%
Unemployment rate: 5.7%

Trends

ACS 5-year · 2019–2023

Population

43,02244,746

Median household income

$104,646$123,428

Median home value

$436,400$660,200

Median gross rent

$2,268$3,063

Year	Population	Median household income	Median home value	Median gross rent
2019	43,022	$104,646	$436,400	$2,268
2020	42,163	$104,275	$470,900	$2,522
2021	43,067	$106,570	$528,200	$2,660
2022	44,115	$115,300	$624,900	$2,800
2023	44,746	$123,428	$660,200	$3,063

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

Age distribution

Under 54.9%

5 to 1717.0%

18 to 248.4%

25 to 3414.9%

35 to 4413.1%

45 to 5412.8%

55 to 6416.5%

65 to 747.9%

75 and over4.6%

	Count	Share
Under 5	2,173	4.9%
5 to 17	7,615	17.0%
18 to 24	3,779	8.4%
25 to 34	6,663	14.9%
35 to 44	5,861	13.1%
45 to 54	5,718	12.8%
55 to 64	7,363	16.5%
65 to 74	3,526	7.9%
75 and over	2,048	4.6%

Race & ethnicity

	Count	Share
White (non-Hispanic)	10,361	23.2%
Black or African American	10,792	24.1%
American Indian & Alaska Native	126	0.3%
Asian	9,034	20.2%
Native Hawaiian & Pacific Islander	91	0.2%
Some other race	88	0.2%
Two or more races	2,707	6.0%
Hispanic or Latino (any race)	11,547	25.8%

Educational attainment (age 25+)

No high school diploma10.4%

High school graduate23.1%

Some college or associate's34.9%

Bachelor's degree22.7%

Graduate or professional degree8.9%

	Count	Share
No high school diploma	3,257	10.4%
High school graduate	7,202	23.1%
Some college or associate's	10,869	34.9%
Bachelor's degree	7,087	22.7%
Graduate or professional degree	2,764	8.9%

Commute to work

Mean travel time to work: 46 min

Drove alone65.6%

Carpooled11.1%

Public transit6.2%

Walked0.7%

Bicycle0.0%

Worked from home15.5%

Other means0.8%

How workers get to work

	Count	Share
Drove alone	14,629	65.6%
Carpooled	2,464	11.1%
Public transit	1,387	6.2%
Walked	160	0.7%
Bicycle	0	0.0%
Worked from home	3,456	15.5%
Other means	189	0.8%

Travel time

	Count	Share
Under 15 min	2,613	13.9%
15 to 29 min	4,063	21.6%
30 to 44 min	2,819	15.0%
45 to 59 min	2,366	12.6%
60+ min	6,968	37.0%

Households

Average household size: 3.26
Poverty rate: 7.2% (3,201 of 44,543)

	Count	Share
Family households	10,680	78.5%
Nonfamily households	2,931	21.5%

Housing

Median year structure built: 1997

Occupancy

	Count	Share
Occupied	13,611	98.0%
Vacant	277	2.0%

Tenure (of occupied units)

	Count	Share
Owner-occupied	9,846	72.3%
Renter-occupied	3,765	27.7%

1-unit, detached90.2%

1-unit, attached2.1%

2 to 4 units2.1%

5 to 19 units1.8%

20 or more units3.8%

Mobile home & other0.0%

Units in structure

	Count	Share
1-unit, detached	12,532	90.2%
1-unit, attached	297	2.1%
2 to 4 units	288	2.1%
5 to 19 units	244	1.8%
20 or more units	527	3.8%
Mobile home & other	0	0.0%

ZIP Code 94531

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

Nearby ZIP codes