Star city, Idaho
Official LSAD Designation: Star city • Census GEOID: 1676870
• Ada County / Canyon County
Demographics & Population Profile
Population and demographics for Star city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 20,874 | — | 2025 | Census |
| Median Age | 40.3 yrs | ±3.1 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 5,251 | ±325 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).