Los Alamos

County:: Santa Barbara County
County Seat:: No
Area (mi²):: 0.904
State:: California

Los Alamos is a CDP located in Santa Barbara County, California. Los Alamos has a 2025 population of 570. Los Alamos is currently declining at a rate of -13.37% annually and its population has decreased by -55.29% since the most recent census, which recorded a population of 1,275 in 2020.

The average household income in Los Alamos is $77,870 with a poverty rate of 3.27%. The median age in Los Alamos is 71.1 years: 68.4 years for males, and 71.9 years for females.

Demographics

The racial composition of Los Alamos includes 87.81% White, 5.87% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	778	87.81%
Black or African American	52	5.87%
Two or more races	42	4.74%
Asian	10	1.13%
Other race	4	0.45%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Los Alamos Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Los Alamos' average per capita income is $0. Household income levels show a median of $53,673. The poverty rate stands at 3.27%.

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
Families	$54,043	$87,247
Households	$53,673	$77,870
Non Families	$52,708	$65,427
Married Families	-	-

$0

Average Income

$53,673

Median Household Income

3.27%

Poverty Rate