US Census Data

ZIP Code 94506

ZIP Code Tabulation Area in Contra Costa County, California.

Population
27,261
+8.0%’19–’23
Median household income
$250,001
+17.5%’19–’23
Median home value
$1,789,600
+40.4%’19–’23

ZIP Code 94506 is a ZIP Code Tabulation Area in Contra Costa County, California, home to about 27,261 residents. Its median household income of $250,001 runs above the Contra Costa County figure of $125,727.

Between 2019 and 2023, ZIP Code 94506's population grew 8.0% from 25,240 to 27,261, while its median gross rent rose 21.3% from $2,886 to $3,501.

The typical home was built around 1994. 4.5% of residents live below the poverty line.

Demographics

ACS 2019–2023
Population
27,261
Median age
45.9 yrs
Median household income
$250,001
Median home value
$1,789,600
Median gross rent
$3,501
Housing units
9,420
Homeownership rate
88.8%
Bachelor's degree or higher
74.9%
Unemployment rate
3.8%

Trends

ACS 5-year · 2019–2023
Population
25,24027,261
Median household income
$212,739$250,001
Median home value
$1,274,500$1,789,600
Median gross rent
$2,886$3,501
YearPopulationMedian household incomeMedian home valueMedian gross rent
201925,240$212,739$1,274,500$2,886
202027,143$200,726$1,288,600$2,978
202127,375$223,362$1,380,000$3,501
202226,947$246,132$1,641,900$3,501
202327,261$250,001$1,789,600$3,501

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

Age distribution

CountShare
Under 51,2974.8%
5 to 175,48820.1%
18 to 241,6366.0%
25 to 341,7786.5%
35 to 442,98711.0%
45 to 544,74217.4%
55 to 643,91714.4%
65 to 743,52612.9%
75 and over1,8906.9%

Race & ethnicity

CountShare
White (non-Hispanic)13,78650.6%
Black or African American9213.4%
American Indian & Alaska Native20.0%
Asian9,19433.7%
Native Hawaiian & Pacific Islander270.1%
Some other race1380.5%
Two or more races1,4645.4%
Hispanic or Latino (any race)1,7296.3%

Educational attainment (age 25+)

CountShare
No high school diploma3351.8%
High school graduate1,4157.5%
Some college or associate's2,97215.8%
Bachelor's degree8,10243.0%
Graduate or professional degree6,01631.9%

Commute to work

Mean travel time to work
40 min

How workers get to work

CountShare
Drove alone6,12750.0%
Carpooled8977.3%
Public transit4103.3%
Walked2962.4%
Bicycle130.1%
Worked from home4,35935.6%
Other means1551.3%

Travel time

CountShare
Under 15 min1,21115.3%
15 to 29 min2,25128.5%
30 to 44 min1,43318.1%
45 to 59 min1,00812.8%
60+ min1,99525.3%

Households

Average household size
2.92
Poverty rate
4.5% (1,211 of 27,140)
CountShare
Family households7,97185.8%
Nonfamily households1,32314.2%

Housing

Median year structure built
1994

Occupancy

CountShare
Occupied9,29498.7%
Vacant1261.3%

Tenure (of occupied units)

CountShare
Owner-occupied8,25688.8%
Renter-occupied1,03811.2%

Units in structure

CountShare
1-unit, detached7,95284.4%
1-unit, attached1,12511.9%
2 to 4 units140.1%
5 to 19 units1171.2%
20 or more units2122.3%
Mobile home & other00.0%

Geography

ZCTA
94506
Land area
19 sq mi
Water area
0.01 sq mi
Center point
37.8064, -121.9024

Counties this ZIP covers

1

Compare with nearby ZIP codes

6

National ZIP rankings

21

Nearby ZIP codes

14