Nicollet County's 2026 population is estimated at 34,839, reflecting a 0.5% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Nicollet County is the 32nd largest county in Minnesota. The 2010 population was 32,758 and has grown 6.35% since 2010.
Data after 2023 is projected based on recent change
Overall: 38.3 years
Female: 38.1 years
Male: 38.5 years
There are 27,029 adults, (6,043 of whom are seniors) in Nicollet County.
Female: 17,158 (49.9%)
Male: 17,253 (50.1%)
The racial composition of Nicollet County includes 86.69% White, 4.61% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 29,832 | 86.69% |
| Black or African American | 1,586 | 4.61% |
| Two or more races | 1,507 | 4.38% |
| Other race | 775 | 2.25% |
| Asian | 566 | 1.64% |
| Native American | 145 | 0.42% |
Nicollet County 's average per capita income is $53,699. Household income levels show a median of $79,756. The poverty rate stands at 8.01%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $126,097 | - |
| Families | $110,275 | $144,088 |
| Households | $79,756 | $112,374 |
| Non Families | $46,269 | $55,816 |
Average Income
Median Household Income
Poverty Rate