US ZIP Code
94552

Castro Valley, CA

Alameda County  ·  California

● Active
👥 14,359 Population ↓ 4% since 2019
💰 $205,170 Median HH Income
▲ 169% above avg ↑ 26% since 2019
🎂 48.6 Median Age ↑ 5% since 2019
🏠 $1,286,300 Median Home Value
▲ 361% above avg ↑ 39% since 2019
🎓 71.0% College Grads
▲ 83% above avg
📊 3.9% Unemployment
▼ 21% below avg ↓ 21% since 2019
ZIP Code Details
ZIP Code94552
CityCastro Valley
StateCalifornia (CA)
CountyAlameda County
Area Code341/510
Elevation894 ft
Latitude37.705778
Longitude-122.007585
TimezoneLos Angeles (DST)
FIPS06001
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 47.4% (6,810) Female 52.6% (7,549) ♀

Race & Ethnicity

White: 37.7%Hispanic: 11.4%Black: 1.9%Asian: 44.2%Other: 4.5%Race
White37.7%
Hispanic11.4%
Black1.9%
Asian44.2%
Other4.5%

Age Breakdown

Under 5
3%
5–17
18%
18–24
6%
25–44
19%
45–64
34%
65+
9%

Key Indicators

Median Age48.6 yrs ↑ 5% since 2019
Avg Household Size2.85
Below Poverty6.4% ▼ 36% below avg
College Grads71.0% ▲ 83% above avg
Unemployment3.9% ▼ 21% below avg
No HS Diploma261 (2.6%)
HS Graduate1,182 (12%)
Some College482 (4.9%)
Associates934 (9.5%)
Bachelors1,202 (12.2%)
Graduate Degree5,812 (58.9%)

Education

No HS: 2.6%HS Grad: 12%Some College: 4.9%Associates: 9.5%Bachelors: 12.2%Graduate: 58.9%Edu
No HS2.6%
HS Grad12.0%
Some College4.9%
Associates9.5%
Bachelors12.2%
Graduate58.9%
Housing & Income

Housing Tenure

Owner: 93.4%Renter: 6.6%Tenure
Owner93.4%
Renter6.6%

Home Value Distribution

Under $50k
2%
$50k–100k
1%
$100k–150k
2%
$150k–200k
0%
$200k–300k
0%
$300k–500k
1%
Over $500k
94%

Financials

Median HH Income$205,170 ▲ 169% above avg ↑ 26% since 2019
Median Home Value$1,286,300 ▲ 361% above avg ↑ 39% since 2019
Home/Income Ratio6.3x (nat avg ~3.5x)
Median Rent$2,925/mo ↓ 5% since 2019
Total Units5,079
Vacant Units63
Avg HH Size2.85

Income Distribution

Under $25k
8%
$25k–50k
4%
$50k–75k
5%
$75k–100k
7%
$100k–150k
10%
$150k–200k
13%
Over $200k
52%
Employment & Commute

How People Get to Work

Drove Alone
73%
Public Transit
3%
Walked
2%
Work From Home
22%

Commute Time

Under 15 min
7%
15–30 min
39%
30–45 min
30%
Over 45 min
24%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
6%
1960s–1970s
20%
1980s–1990s
24%
2000+
51%

Summary

Total Units5,079
Vacant63
Owner Occupied93.4%
Renter Occupied6.6%
Avg HH Size2.85
Frequently Asked Questions
ZIP code 94552 is in Castro Valley, CA, in Alameda County.
ZIP code 94552 is located in California (CA).
ZIP code 94552 is in Alameda County, CA.
ZIP 94552 observes the Los Angeles timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 94552 is 14,359 people (ACS 2023).
The median household income in ZIP code 94552 is $205,170 (ACS 2023).
The median home value in ZIP 94552 is $1,286,300 (ACS 2023).
About ZIP Code 94552

ZIP code 94552 is located in Castro Valley, California, within Alameda County. With a population of 14,359, this is a lightly populated ZIP code with a mature community — the median age is 48.6 years. Economically, 94552 is a affluent ZIP code: the median household income of $205,170 is more than double the national average.

Real estate in ZIP code 94552 represents among the most expensive housing markets in the country. The median home value of $1,286,300 is more than double the national average. Renters can expect to pay around $2,925 per month in median rent. Homeownership is strong here — 93.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 39% since 2019.

The population of 94552 is racially diverse, with Asian as the largest group at 44.2%. Residents are highly educated — 71.0% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 6.4%. Household income has grown by 26% since 2019.

The unemployment rate in 94552 stands at 3.9%, which is below the national average. About 21% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 68%.

Overall, ZIP code 94552 in Castro Valley, CA is characterized as affluent, highly educated, a mature community, and predominantly owner-occupied. With 14,359 residents, a median household income of $205,170, and a median home value of $1,286,300, it offers a clear picture of life in this part of California.