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The current population of Castle Rock, Colorado is 83,924 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the. Castle Rock town, Colorado. QuickFacts provides statistics for all states and counties. Also for cities and towns with a population of 5,000 or more. Census data for Castle Rock CCD, Douglas County, CO (pop. 57,741), including age, race, sex, income, poverty, marital status, education and more. Census data for Castle Rock, CO (pop. 81,401), including age, race, sex, income, poverty, marital status, education and more.
Age is classified into groups; each percentage listed is that group’s percentage of the total population. The educational status of the city’s residents who are 18 and older. Per capita is.
