Castro Valley, CA Census Data
Key demographic and economic indicators for Castro Valley, California from the 2023 American Community Survey (ACS) 5-year estimates.
Updated: 2026-03-23 · 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
59,531.0 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%
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).