Los Alamos Flag

Los Alamos

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. For every 100 females there are 79.7 males.

570
Total Population
631
Density (mi²)
-88 -13.37%
Growth

Los Alamos Population

Los Alamos Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

White (87.81%)

Black or African American (5.87%)

Two or more races (4.74%)

Asian (1.13%)

Other race (0.45%)

Race
Population
Percentage (of total)
White77887.81%
Black or African American525.87%
Two or more races424.74%
Asian101.13%
Other race40.45%

Los Alamos Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

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)