Castro Valley, CA Census Data
The 140th largest city in California by population · 188 cities ranked
Castro Valley is the 140th largest city in California by population and ranks 26th of 188 for median household income. With 65,389 residents, it has a lower poverty rate than 140 other California cities. This snapshot draws from the 2023 American Community Survey (ACS) 5-year estimates.
Updated: 2026-04-13 · Source: U.S. Census Bureau, ACS 2023
Population
65,389
48.7% male · 51.3% female
Median Age
42.8
4.1 above the national average (38.7 yrs)
Median Household Income
$138,069
$59,531 above the national average ($78,538)
Bachelor's Degree or Higher
43.9%
8.9% above the national average (35.0%)
HS diploma or higher: 90.4%
Poverty Rate
7.5%
4.9% below the national average (12.4%)
Uninsured: 4.2%
Broadband Access
97.3%
7.6% above the national average (89.7%)
Median Home Value
$1,058,200
Median rent: $2,499 · 72% owner-occupied
Unemployment Rate
3.8%
Labor force participation: 61.9%
Per Capita Income
$69,802
Individual average income (not household)
Veteran Population
4.3%
Disability rate: 8.8%
How Castro Valley Compares to Other California Cities
Rankings among all 188 California cities tracked in the 2023 ACS.
| Ranking | Position | Tier |
|---|---|---|
| Largest by Population | 140th of 188 | Bottom half |
| Highest Median Income | 26th of 188 | Top 25% |
| Lowest Poverty Rate | 48th of 188 | Top half |
| Highest Bachelor's Attainment | 54th of 188 | Top half |
| Highest Home Value | 33rd of 188 | Top 25% |
Demographics
Race & Ethnicity
Age Distribution
Commute to Work
Castro Valley, CA Frequently Asked Questions
What is the population of Castro Valley, CA?
The population of Castro Valley, CA is 65,389 according to the 2023 American Community Survey 5-year estimates. The median age is 42.8 years.
What is the median household income in Castro Valley?
The median household income in Castro Valley, CA is $138,069, above the national average of $78,538. Per capita income is $69,802.
What is the poverty rate in Castro Valley?
The poverty rate in Castro Valley, CA is 7.5%, compared to the national average of 12.4%. About 4.2% of residents lack health insurance.
What percentage of Castro Valley residents have a college degree?
43.9% of adults (25+) in Castro Valley hold a bachelor's degree or higher, and 90.4% have at least a high school diploma. The national average for bachelor's degree holders is 35.0%.
What is the median home value in Castro Valley?
The median home value in Castro Valley, CA is $1,058,200. Median rent is $2,499 per month, with 72% of housing units owner-occupied.
What is the racial makeup of Castro Valley?
Castro Valley's population is 38.3% White, 8.7% Black, 17.6% Hispanic or Latino, and 34.1% Asian (source: 2023 ACS).
How does Castro Valley rank among California cities?
Castro Valley is the 140th largest city in California by population, the 26th highest for median household income, the 48th lowest for poverty rate, the 54th highest for bachelor's degree attainment among 188 ranked California cities.
What is the unemployment rate in Castro Valley?
The unemployment rate in Castro Valley, CA is 3.8%, with a labor force participation rate of 61.9%. Per capita income is $69,802.
Cities Similar to Castro Valley
Other California cities with comparable population and income levels.