Johnstown town, Colorado
Official LSAD Designation: Johnstown town • Census GEOID: 0839855
• Larimer County / Weld County
Demographics & Population Profile
Population and demographics for Johnstown town.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 22,433 | — | 2025 | Census |
| Median Age | 34.9 yrs | ±1.8 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 7,014 | ±351 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).