Castro Valley Flag

Castro Valley

County:
Alameda County
County Seat:
No
Area (mi²):
16.848
State:
California

Castro Valley is a CDP located in Alameda County, California. Castro Valley has a 2026 population of 66,312. Castro Valley is currently growing at a rate of 0.47% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Castro Valley is $142,779 with a poverty rate of 6.72%. The median age in Castro Valley is 42.9 years: 42.1 years for males, and 43.5 years for females. For every 100 females there are 96.4 males.

66.3K
Total Population
3,936
Density (mi²)
307 0.47%
Growth

Castro Valley Population

Castro Valley Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202666,3123070.47%
202566,0053080.47%

Median Age

Overall: 42.9 years
Female: 43.5 years
Male: 42.1 years

Castro Valley Adults

There are 51,485 adults, (12,214 of whom are seniors) in Castro Valley.

Sex Ratio

Female: 33,090 (50.9%)
Male: 31,911 (49.1%)

Demographics

The racial composition of Castro Valley includes 35.91% White, 33.22% Asian, 8.79% Black or African American, 8.13% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White23,34035.91%
Asian21,59133.22%
Two or more races8,43112.97%
Black or African American5,7138.79%
Other race5,2848.13%
Native American4600.71%
Native Hawaiian or Pacific Islander1820.28%
Race
Population ↓
Percentage (of total)
Two or more races5,4298.35%
Other race5,1727.96%
White1,5652.41%
Native American4050.62%
Asian2370.36%
Black or African American580.09%
Race
Population ↓
Percentage (of total)
White21,77533.5%
Asian21,35432.85%
Black or African American5,6558.7%
Two or more races3,0024.62%
Native Hawaiian or Pacific Islander1820.28%
Other race1120.17%
Native American550.08%

Castro Valley Marital Status

Economics and Income Statistics

Castro Valley 's average per capita income is $77,362. Household income levels show a median of $142,779. The poverty rate stands at 6.72%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$188,470-
Families$164,024$196,421
Households$142,779$175,307
Non Families$71,667$96,383

$77,362

Average Income

$142,779

Median Household Income

6.72%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)