Demographics in Castle Rock, CO

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

Where is Castle Rock?

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Population

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

Total Population

76,614

Male

37,700

49.2%

Female

38,914

50.8%

Median Age

35.8

Age Distribution

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

Race & Ethnicity

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

White

83.5%

Black

0.9%

Hispanic

11.3%

Asian

2.2%

Two or More

10.0%

Other

2.9%

Education & Household

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

Bachelor's or Higher

35.8%

High School or Higher

44.7%

Foreign Born

5.4%

Veterans

6.0%

Married

48.4%

Avg Household Size

2.8

Marital Status by Age

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

Castle Rock, CO has a population of 76,614 with a median age of 35.8. The racial makeup is 83.5% White, 11.3% Hispanic, 0.9% Black, 2.2% Asian. About 35.8% of residents hold a bachelor's degree or higher. The foreign-born population is 5.4%.