Castle Pines city, Colorado
Official LSAD Designation: Castle Pines city • Census GEOID: 0812387
• Douglas County
Demographics & Population Profile
Population and demographics for Castle Pines city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 15,583 | — | 2025 | Census |
| Median Age | 43.6 yrs | ±3.8 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 5,030 | ±196 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).