Castaic Flag

Castaic

County Seat:
No
Area (mi²):
7.262
State:
California

Castaic is a CDP located in Los Angeles County, California. Castaic has a 2025 population of 18,550. Castaic is currently declining at a rate of -0.17% annually but its population has increased by 0.38% since the most recent census, which recorded a population of 18,479 in 2020.

The average household income in Castaic is $156,900 with a poverty rate of 4.04%. The median age in Castaic is 37.2 years: 37.2 years for males, and 37.2 years for females.

18.6K
Total Population
2,554
Density (mi²)
-31 -0.17%
Growth

Castaic Population

Castaic Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Castaic includes 54.69% White, 11.91% Asian, 11.72% other race, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White10,10754.69%
Two or more races3,47018.78%
Asian2,20111.91%
Other race2,16611.72%
Black or African American2751.49%
Native American2601.41%
Native Hawaiian or Pacific Islander00%

Castaic Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Castaic's average per capita income is $72,739. Household income levels show a median of $132,153. The poverty rate stands at 4.04%.

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$157,287-
Families$144,610$168,680
Households$132,153$156,900
Non Families$51,771$71,859

$72,739

Average Income

$132,153

Median Household Income

4.04%

Poverty Rate

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)