Nelson County's 2026 population is estimated at 3,001, reflecting a -0.1% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Nelson County is the 34th largest county in North Dakota. The 2010 population was 3,121 and has grown -3.84% since 2010.
Data after 2023 is projected based on recent change
Overall: 50.1 years
Female: 49.6 years
Male: 50.4 years
There are 2,391 adults, (853 of whom are seniors) in Nelson County.
Female: 1,489 (49.4%)
Male: 1,527 (50.6%)
The racial composition of Nelson County includes 92.67% White, and smaller percentages for Native American, other race, Asian, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 2,795 | 92.67% |
| Two or more races | 131 | 4.34% |
| Native American | 29 | 0.96% |
| Other race | 25 | 0.83% |
| Asian | 22 | 0.73% |
| Black or African American | 14 | 0.46% |
Nelson County 's average per capita income is $51,167. Household income levels show a median of $67,193. The poverty rate stands at 7.16%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $105,625 | - |
| Families | $101,591 | $140,190 |
| Households | $67,193 | $100,705 |
| Non Families | $32,071 | $38,997 |
Average Income
Median Household Income
Poverty Rate