Alamo

County:: Contra Costa County
County Seat:: No
Area (mi²):: 9.816
State:: California

Alamo is a CDP located in Contra Costa County, California. Alamo has a 2025 population of 14,301. Alamo is currently declining at a rate of -0.13% annually but its population has increased by 3.15% since the most recent census, which recorded a population of 13,864 in 2020.

The average household income in Alamo is $403,334 with a poverty rate of 1.76%.The median age in Alamo is 50.8 years: 51.2 years for males, and 50.3 years for females.

Demographics

The racial composition of Alamo includes 76.56% White, 10.44% Asian, and smaller percentages for other race, Black or African American, Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	11,056	76.56%
Asian	1,508	10.44%
Two or more races	1,395	9.66%
Other race	387	2.68%
Black or African American	94	0.65%
Native American	1	0.01%

Alamo Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Alamo's average per capita income is $137,296. Household income levels show a median of $250,001. The poverty rate stands at 1.76%.

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
Households	$250,001	$403,334
Families	$250,001	$421,967
Married Families	$250,001	-
Non Families	$180,275	$278,107

$137,296

Average Income

$250,001

Median Household Income

1.76%

Poverty Rate