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Castle Rock (CO) Streets, Geographical, Population & More

Population of Castle Rock, Colorado

StateColorado
Land Area (mi²)34.3 sq mi
Density (mi²)2,278.9/sq mi
2022 Growth Rate3.3% (2493)
Growth Since 202019.9% (12968)
Rank in State16th
Rank in Country500th

The population of Castle Rock, CO in 2022 is estimated to be 78,144. This is an increase of 3.3% (2493 people) compared to the population in 2021.

Population of Castle Rock by Race

Population by Race
  • Total
  • Hispanic
  • Non-Hispanic
Race
Population
Percentage

Population of Castle Rock by Age

Castle Rock Population Pyramid 2022
Castle Rock Median Age
35.5
Total
34.6
Male
36.5
Female
Castle Rock Sex Ratio
49.68%
32,379
Male
50.32%
32,797
Female
Castle Rock Age Dependency Ratio
17
Old Age Dependency Ratio
47.3
Child Dependency Ratio
Castle Rock Adults
46,417
Adults
(6,750 of whom are seniors) in Castle Rock.

Population of Castle Rock by Year

Year
PopulationGrowthAnnual Growth Rate