Rexburg city, Idaho
Official LSAD Designation: Rexburg city • Census GEOID: 1667420
• Madison County
Demographics & Population Profile
Population and demographics for Rexburg city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 40,334 | — | 2025 | Census |
| Median Age | 21 yrs | ±0.3 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 9,410 | ±431 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).