ZipCodeLook
94552

Zip code 94552: Castro Valley, California

Residential delivery areaAlameda CountyPacific Time
Population
14,506
Median household income
$213K
U.S. $81K
Median home value
$1.4M
U.S. $333K
Median rent
$3,197/mo
U.S. $1,413
Median age
48.9
U.S. 38.9
Land area
52 sq mi
280 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 94552

94552 is a small-town zip code in Castro Valley, California (Alameda County), covering 52 sq mi of land. About 14,506 people live here, or 280 per square mile. The median resident is 48.9 years old, compared with 38.9 nationally.

The median household earns $212,605 a year, about 2.6× the national median of $80,734. 6.5% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $1,394,300, or 6.6 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 93% of occupied homes are lived in by their owners, and renters pay a median of $3,197 a month.

61% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 34.5 minutes each way, and 23% of workers work from home. The most common jobs among working residents are in management; business and finance; and healthcare. 52% of households speak a language other than English at home, most often an Asian or Pacific Island language.

How 94552 compares

Sorted from highest to lowest national percentile

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Median age
48.9
Under 18
20.7%
65 and over
22.4%

Race and ethnicity

  • White36%
  • Black3%
  • Hispanic10%
  • Asian45%
  • Native American0.9%
  • Pacific Islander0.1%
  • Other0.0%
  • Multiracial4%
Diversity index
65
U.S. 61.4
Foreign-born
32.8%
U.S. 14.1%
Born in state
50.4%

Language spoken at home (households)

English only
48%
Spanish
8%
Other Indo-European
18%
Asian / Pacific
25%
Other
0.9%

Households

Households
5,021
Average household size
2.9
Family households
83.9%
Married couples
72.3%
Living alone
13.4%
Veterans (of adults)
2.5%
Male / female
48% / 52%

Income and poverty

Household income distribution

<$25k
9%
$25–50k
6%
$50–75k
4%
$75–100k
7%
$100–150k
10%
$150–200k
12%
$200k+
52%

Median household income

94552
$212,605
Alameda Co.
$129,367
California
$99,122
United States
$80,734
Per capita income
$78,286
U.S. $44,673
Poverty rate
6.5%
U.S. 12.5%
Households earning $150K+
64.4%
U.S. 23%
Income inequality (Gini)
0.401
U.S. 0.483

Housing

Median home value

94552
$1,394,300
Alameda Co.
$1,090,100
California
$734,700
United States
$332,700

Median gross rent

94552
$3,197
Alameda Co.
$2,357
California
$2,036
United States
$1,413

Types of housing

Single-family
98%
2–4 units
1%
5–19 units
0.3%
20+ units
0.1%
Mobile home
0.5%
Boat, RV, van
0%
Housing units
5,088
Owner-occupied
93.2%
Vacant
1.3%
Median year built
1988
Median rooms
7
Renters paying 30%+ of income
58.3%
Renters paying 50%+ of income
45.2%
Home value to income
6.6× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
65%
Carpooled
6%
Transit
5%
Walked
1%
Bicycle
0.3%
Worked from home
23%
Other
0.6%

Commute time (one way)

<10 min
3%
10–19
17%
20–29
28%
30–44
26%
45–59
13%
60+
13%
Average commute
34.5 min
U.S. 26.4 min
Unemployment
4.2%
U.S. 5.2%
In labor force
60.7%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management
20%
Business and finance
14%
Healthcare
11%
Office and admin
9%
Engineering and science
7%
Sales
6%
Education
5%
Computer and math
5%
Construction and repair
5%
Food service
4%
Arts, media and sports
3%
Legal and social services
3%
Cleaning and personal care
2%
Production
2%
Transportation and moving
2%
Police and fire
1%
Farming, fishing and forestry
0.4%

Industries

Professional and technical services
22%
Health care and social assistance
14%
Finance, insurance and real estate
10%
Public administration
9%
Manufacturing
8%
Retail
7%
Education
7%
Transportation, warehousing and utilities
5%
Restaurants and hotels
5%
Other services
4%
Construction
3%
Information
3%
Admin, support and management
2%
Wholesale
0.6%
Arts and recreation
0.6%
Agriculture and mining
0.4%
Median earnings per worker
$109,012
U.S. $49,666
Self-employed
12.7%
U.S. 10%
Government workers
14.4%
U.S. 14.5%
Nonprofit workers
7.7%
U.S. 8.8%

Median earnings by type of work

Type of work94552U.S.
Management, business, science and arts$137,674$74,888
Service$21,648$26,804
Sales and office$53,534$40,476
Construction and maintenance$106,250$49,199
Production and transportation$42,000$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
7%
High school
9%
Some college
12%
Associate's
11%
Bachelor's
34%
Graduate
27%
High school graduate or higher
93.4%
Bachelor's degree or higher
61%
Graduate or professional degree
26.6%
Households with broadband
98.7%
Cable, fiber or DSL
88.2%
No internet access
1.2%
Without health insurance
1%
Limited-English households
7.4%

Geography

City (USPS)
Castro Valley
Center point
37.7058° N, 122.0076° W
Land area
52 sq mi
Water area
under 0.1 sq mi
Time zone
Pacific Time (UTC-8, UTC-7 in summer)
Zip type
Residential delivery area

Cities and towns within this zip

  • Castro Valley (unincorporated)16% of zip
  • Union City13% of zip
  • Hayward4% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 94552

ZipCityDistanceIncome
94542Hayward3.6 mi$133,734
94543Hayward · PO box4.7 mi—
94583San Ramon4.7 mi$184,898
94541Hayward4.9 mi$105,729
94537Fremont · PO box5 mi—
94540Hayward · PO box5 mi—
94557Hayward · PO box5 mi—
94544Hayward5.7 mi$107,785
94570Moraga · PO box5.7 mi—
94546Castro Valley5.9 mi$128,385
94568Dublin5.9 mi$214,385
94578San Leandro6.4 mi$94,084

Zip codes like 94552 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 94552

What city is zip code 94552?

94552 is assigned to Castro Valley, California. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 94552 in?

94552 is in Alameda County, California.

What is the population of 94552?

About 14,506 people live in 94552, according to the Census Bureau's American Community Survey.

What time zone is 94552 in?

94552 is in Pacific Time.

What is the median household income in 94552?

The median household income in 94552 is $212,605.

What zip codes are near 94552?

The closest zip codes to 94552 are 94542, 94543, 94583, 94541, 94537.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 94552, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.