Marmarth city, North Dakota
Official LSAD Designation: Marmarth city • Census GEOID: 3850860
• Slope County
Demographics & Population Profile
Population and demographics for Marmarth city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 91 | — | 2025 | Census |
| Median Age | 61.3 yrs | ±8.4 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 63 | ±24 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).