Marmarth is a city located in Slope County, North Dakota. Marmarth has a 2026 population of 91. Marmarth is currently declining at a rate of -1.09% annually and its population has decreased by -9% since the most recent census, which recorded a population of 100 in 2020.
The median household income in Marmarth is $62,813 with a poverty rate of 4%. The median age in Marmarth is 61.3 years: 61.7 years for males, and 49.9 years for females. For every 100 females there are 127.3 males.
Data after 2023 is projected based on recent change
Overall: 61.3 years
Female: 49.9 years
Male: 61.7 years
There are 93 adults, (31 of whom are seniors) in Marmarth.
Female: 44 (44%)
Male: 56 (56%)
The racial composition of Marmarth includes 82% White, 6% other race, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 82 | 82% |
| Two or more races | 12 | 12% |
| Other race | 6 | 6% |
Marmarth 's average per capita income is $51,250. Household income levels show a median of $62,813. The poverty rate stands at 4%.
| Name | Median ↓ | Mean |
|---|---|---|
| Families | $64,167 | $89,542 |
| Married Families | $64,167 | - |
| Households | $62,813 | $62,868 |
| Non Families | $50,469 | $46,454 |
Average Income
Median Household Income
Poverty Rate