Castle Rock town, Colorado
Official LSAD Designation: Castle Rock town • Census GEOID: 0812415
• Douglas County
Demographics & Population Profile
Population and demographics for Castle Rock town.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 83,815 | — | 2025 | Census |
| Median Age | 36.5 yrs | ±0.8 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 28,219 | ±608 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).