US Census Data

ZIP Code 94596

ZIP Code Tabulation Area in Contra Costa County, California.

Population
23,592
+8.7%’19–’23
Median household income
$137,660
+26.1%’19–’23
Median home value
$1,245,000
+20.9%’19–’23

ZIP Code 94596 (Contra Costa County, California) is home to about 23,592 residents. Its median household income of $137,660 runs above the Contra Costa County figure of $125,727.

From 2019 to 2023, ZIP Code 94596's population grew 8.7% from 21,700 to 23,592, while its median gross rent rose 21.7% from $2,031 to $2,471.

The median resident is 37.5 years old. The largest age group is 25 to 34, 21.7% of residents.

Demographics

ACS 2019–2023
Population
23,592
Median age
37.5 yrs
Median household income
$137,660
Median home value
$1,245,000
Median gross rent
$2,471
Housing units
11,242
Homeownership rate
44.9%
Bachelor's degree or higher
69.5%
Unemployment rate
5.4%

Trends

ACS 5-year · 2019–2023
Population
21,70023,592
Median household income
$109,167$137,660
Median home value
$1,029,400$1,245,000
Median gross rent
$2,031$2,471
YearPopulationMedian household incomeMedian home valueMedian gross rent
201921,700$109,167$1,029,400$2,031
202022,247$115,938$1,032,100$2,167
202123,046$125,731$1,081,800$2,275
202223,795$135,422$1,241,200$2,420
202323,592$137,660$1,245,000$2,471

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

Age distribution

CountShare
Under 51,0744.6%
5 to 172,49210.6%
18 to 242,2329.5%
25 to 345,11321.7%
35 to 443,00312.7%
45 to 542,83212.0%
55 to 642,67811.4%
65 to 742,63611.2%
75 and over1,5326.5%

Race & ethnicity

CountShare
White (non-Hispanic)15,13664.2%
Black or African American3671.6%
American Indian & Alaska Native300.1%
Asian3,43214.5%
Native Hawaiian & Pacific Islander200.1%
Some other race280.1%
Two or more races1,8938.0%
Hispanic or Latino (any race)2,68611.4%

Educational attainment (age 25+)

CountShare
No high school diploma5393.0%
High school graduate1,3657.7%
Some college or associate's3,52019.8%
Bachelor's degree6,68837.6%
Graduate or professional degree5,68231.9%

Commute to work

Mean travel time to work
32 min

How workers get to work

CountShare
Drove alone6,75750.3%
Carpooled1,0778.0%
Public transit1,37010.2%
Walked5544.1%
Bicycle930.7%
Worked from home3,46225.8%
Other means1170.9%

Travel time

CountShare
Under 15 min2,35823.7%
15 to 29 min2,72327.3%
30 to 44 min2,07220.8%
45 to 59 min1,04910.5%
60+ min1,76617.7%

Households

Average household size
2.18
Poverty rate
6.2% (1,451 of 23,543)
CountShare
Family households6,05956.1%
Nonfamily households4,74243.9%

Housing

Median year structure built
1974

Occupancy

CountShare
Occupied10,80196.1%
Vacant4413.9%

Tenure (of occupied units)

CountShare
Owner-occupied4,84844.9%
Renter-occupied5,95355.1%

Units in structure

CountShare
1-unit, detached3,77133.5%
1-unit, attached4694.2%
2 to 4 units3633.2%
5 to 19 units1,0909.7%
20 or more units5,54949.4%
Mobile home & other00.0%

Geography

ZCTA
94596
Land area
6.06 sq mi
Water area
0 sq mi
Center point
37.8890, -122.0368

Counties this ZIP covers

1

Compare with nearby ZIP codes

6

National ZIP rankings

21

Nearby ZIP codes

16