Post Falls city, Idaho
Official LSAD Designation: Post Falls city • Census GEOID: 1664810
• Kootenai County
Demographics & Population Profile
Population and demographics for Post Falls city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 46,715 | — | 2025 | Census |
| Median Age | 35 yrs | ±1.5 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 16,009 | ±589 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).