Mandan city, North Dakota
Official LSAD Designation: Mandan city • Census GEOID: 3849900
• Morton County
Demographics & Population Profile
Population and demographics for Mandan city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 25,061 | — | 2025 | Census |
| Median Age | 36.1 yrs | ±1.6 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 10,465 | ±300 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).