
Castle Pines
- County:
- Douglas County
- County Seat:
- No
- Area (mi²):
- 9.593
- State:
- Colorado
Castle Pines is a city located in Douglas County, Colorado. Castle Pines has a 2025 population of 17,101. Castle Pines is currently growing at a rate of 7.39% annually and its population has increased by 52.48% since the most recent census, which recorded a population of 11,215 in 2020.
The average household income in Castle Pines is $215,441 with a poverty rate of 4.74%. The median age in Castle Pines is 43.5 years: 40.5 years for males, and 44.7 years for females.