Benton County's 2026 population is estimated at 41,719, reflecting a -0.06% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Benton County is the 25th largest county in Minnesota. The 2010 population was 38,465 and has grown 8.46% since 2010.
Overall: 36.2 years
Female: 36.6 years
Male: 35.5 years
There are 31,066 adults, (5,827 of whom are seniors) in Benton County.
Female: 20,568 (49.5%)
Male: 21,025 (50.5%)
The racial composition of Benton County includes 86.82% White, 5.52% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 36,110 | 86.82% |
| Black or African American | 2,296 | 5.52% |
| Two or more races | 1,911 | 4.59% |
| Other race | 706 | 1.7% |
| Asian | 445 | 1.07% |
| Native American | 115 | 0.28% |
| Native Hawaiian or Pacific Islander | 10 | 0.02% |
Benton County 's average per capita income is $54,852. Household income levels show a median of $74,410. The poverty rate stands at 9.87%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $117,947 | $129,524 |
| Families | $98,468 | $111,247 |
| Households | $74,410 | $92,507 |
| Non Families | $47,974 | $56,714 |
Average Income
Median Household Income
Poverty Rate
