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 and multiracial populations.

Population by Race

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%

Castaic Marital Status

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

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

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)