Demographics in Castaic, CA

Population, age, race, ethnicity, and household statistics — 2023 ACS Data

Where is Castaic?

Loading map…

Population

Source: U.S. Census Bureau ACS (2023)

Total Population

18,479

Male

9,279

50.2%

Female

9,200

49.8%

Median Age

37.2

Age Distribution

Source: U.S. Census Bureau ACS (2023)

Race & Ethnicity

Source: U.S. Census Bureau ACS (2023)

White

54.7%

Black

1.5%

Hispanic

36.2%

Asian

11.9%

Two or More

18.8%

Other

11.7%

Education & Household

Source: U.S. Census Bureau ACS (2023)

Bachelor's or Higher

27.5%

High School or Higher

39.6%

Foreign Born

21.4%

Veterans

2.8%

Married

47.2%

Avg Household Size

3.2

Marital Status by Age

Source: U.S. Census Bureau ACS (2023)

Castaic, CA has a population of 18,479 with a median age of 37.2. The racial makeup is 54.7% White, 36.2% Hispanic, 1.5% Black, 11.9% Asian. About 27.5% of residents hold a bachelor's degree or higher. The foreign-born population is 21.4%.