Barnes County's 2026 population is estimated at 10,860, reflecting a 0.29% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Barnes County is the 13th largest county in North Dakota. The 2010 population was 11,065 and has grown -1.85% since 2010.
Data after 2023 is projected based on recent change
Overall: 43.5 years
Female: 44.2 years
Male: 42.8 years
There are 8,647 adults, (2,517 of whom are seniors) in Barnes County.
Female: 5,292 (49.1%)
Male: 5,481 (50.9%)
The racial composition of Barnes County includes 89.93% White, and smaller percentages for Asian, Native American, other race, Native Hawaiian or Pacific Islander, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 9,688 | 89.93% |
| Two or more races | 590 | 5.48% |
| Asian | 216 | 2.01% |
| Native American | 165 | 1.53% |
| Other race | 59 | 0.55% |
| Native Hawaiian or Pacific Islander | 30 | 0.28% |
| Black or African American | 25 | 0.23% |
Barnes County 's average per capita income is $50,474. Household income levels show a median of $68,038. The poverty rate stands at 12.11%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $102,433 | - |
| Families | $97,139 | $120,317 |
| Households | $68,038 | $92,055 |
| Non Families | $40,145 | $53,823 |
Average Income
Median Household Income
Poverty Rate