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 2026 population of 18,355. Castaic is currently declining at a rate of -0.23% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Castaic is $129,863 with a poverty rate of 5.06%. The median age in Castaic is 37.9 years: 38.4 years for males, and 37.6 years for females. For every 100 females there are 95.0 males.

18.4K
Total Population
2,528
Density (mi²)
-42 -0.23%
Growth

Castaic Population

Castaic Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202618,355-42-0.23%
202518,397-41-0.22%

Median Age

Overall: 37.9 years
Female: 37.6 years
Male: 38.4 years

Castaic Adults

There are 13,334 adults, (2,209 of whom are seniors) in Castaic.

Sex Ratio

Female: 9,231 (51.3%)
Male: 8,768 (48.7%)

Demographics

The racial composition of Castaic includes 55.8% White, 10.71% Asian, 10.31% other race, and smaller percentages for Black or African American, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White10,04455.8%
Two or more races3,63920.22%
Asian1,92710.71%
Other race1,85610.31%
Black or African American3942.19%
Native American1390.77%
Race
Population ↓
Percentage (of total)
Two or more races2,53814.1%
White2,14111.9%
Other race1,7109.5%
Asian830.46%
Native American580.32%
Race
Population ↓
Percentage (of total)
White7,90343.91%
Asian1,84410.25%
Two or more races1,1016.12%
Black or African American3942.19%
Other race1460.81%
Native American810.45%

Castaic Marital Status

Economics and Income Statistics

Castaic 's average per capita income is $74,783. Household income levels show a median of $129,863. The poverty rate stands at 5.06%.

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$158,824-
Families$146,163$165,992
Households$129,863$153,114
Non Families$50,877$72,003

$74,783

Average Income

$129,863

Median Household Income

5.06%

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)