US Census Data

ZIP Code 94505

ZIP Code Tabulation Area in Contra Costa County, California.

Population
15,316
-6.5%’19–’23
Median household income
$154,063
+18.5%’19–’23
Median home value
$787,500
+28.0%’19–’23

Covering part of Contra Costa County, California, ZIP Code 94505 has about 15,316 residents. Its median household income of $154,063 runs above the Contra Costa County figure of $125,727.

From 2019 to 2023, ZIP Code 94505's population declined 6.5% from 16,382 to 15,316, while its median gross rent rose 14.3% from $2,532 to $2,894.

The median resident is 44.5 years old. The largest age group is 5 to 17, 17.7% of residents.

Demographics

ACS 2019–2023
Population
15,316
Median age
44.5 yrs
Median household income
$154,063
Median home value
$787,500
Median gross rent
$2,894
Housing units
6,136
Homeownership rate
88.7%
Bachelor's degree or higher
33.0%
Unemployment rate
8.1%

Trends

ACS 5-year · 2019–2023
Population
16,38215,316
Median household income
$130,013$154,063
Median home value
$615,200$787,500
Median gross rent
$2,532$2,894
YearPopulationMedian household incomeMedian home valueMedian gross rent
201916,382$130,013$615,200$2,532
202015,974$128,865$640,100$2,612
202115,796$138,339$674,800$2,717
202215,445$147,292$768,200$2,859
202315,316$154,063$787,500$2,894

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

Age distribution

CountShare
Under 58065.3%
5 to 172,71817.7%
18 to 241,0406.8%
25 to 341,64310.7%
35 to 441,55210.1%
45 to 542,20514.4%
55 to 642,38715.6%
65 to 741,66210.9%
75 and over1,3038.5%

Race & ethnicity

CountShare
White (non-Hispanic)9,48361.9%
Black or African American8725.7%
American Indian & Alaska Native00.0%
Asian7765.1%
Native Hawaiian & Pacific Islander120.1%
Some other race4452.9%
Two or more races9746.4%
Hispanic or Latino (any race)2,75418.0%

Educational attainment (age 25+)

CountShare
No high school diploma6025.6%
High school graduate2,25721.0%
Some college or associate's4,34140.4%
Bachelor's degree2,36322.0%
Graduate or professional degree1,18911.1%

Commute to work

Mean travel time to work
42 min

How workers get to work

CountShare
Drove alone4,83066.9%
Carpooled76310.6%
Public transit230.3%
Walked570.8%
Bicycle350.5%
Worked from home1,36118.9%
Other means1472.0%

Travel time

CountShare
Under 15 min1,08918.6%
15 to 29 min1,25821.5%
30 to 44 min1,12319.2%
45 to 59 min59910.2%
60+ min1,78630.5%

Households

Average household size
2.77
Poverty rate
6.1% (928 of 15,281)
CountShare
Family households4,38379.4%
Nonfamily households1,13920.6%

Housing

Median year structure built
1995

Occupancy

CountShare
Occupied5,52290.0%
Vacant61410.0%

Tenure (of occupied units)

CountShare
Owner-occupied4,90088.7%
Renter-occupied62211.3%

Units in structure

CountShare
1-unit, detached5,63491.8%
1-unit, attached4186.8%
2 to 4 units60.1%
5 to 19 units00.0%
20 or more units661.1%
Mobile home & other120.2%

Geography

ZCTA
94505
Land area
17 sq mi
Water area
5.79 sq mi
Center point
37.8713, -121.5970

Counties this ZIP covers

2

Compare with nearby ZIP codes

6

National ZIP rankings

21

Nearby ZIP codes

13