Colby city, Wisconsin
Official LSAD Designation: Colby city • Census GEOID: 5516150
• Clark County / Marathon County
Demographics & Population Profile
Population and demographics for Colby city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 1,957 | — | 2025 | Census |
| Median Age | 38.3 yrs | ±2.2 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 689 | ±74 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).