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, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Two or more races

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

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%
Native Hawaiian or Pacific Islander	0	0%

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