Altadena

County:: Los Angeles County
County Seat:: No
Area (mi²):: 8.465
State:: California

Altadena is a CDP located in Los Angeles County, California. Altadena has a 2025 population of 42,704. Altadena is currently declining at a rate of -0.01% annually and its population has decreased by -0.77% since the most recent census, which recorded a population of 43,037 in 2020.

The average household income in Altadena is $177,894 with a poverty rate of 7.44%. The median age in Altadena is 46.2 years: 44.1 years for males, and 48.2 years for females.

Demographics

The racial composition of Altadena includes 46.01% White, 18.02% Black or African American, 11.95% other race, 5.65% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	19,287	46.01%
Black or African American	7,555	18.02%
Two or more races	7,176	17.12%
Other race	5,011	11.95%
Asian	2,370	5.65%
Native American	522	1.25%
Native Hawaiian or Pacific Islander	0	0%

Altadena Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Altadena's average per capita income is $69,988. Household income levels show a median of $129,123. The poverty rate stands at 7.44%.

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	$193,387	-
Families	$153,791	$201,024
Households	$129,123	$177,894
Non Families	$82,034	$112,415

$69,988

Average Income

$129,123

Median Household Income

7.44%

Poverty Rate