Isanti County's 2026 population is estimated at 44,637, reflecting a 1.08% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Isanti County is the 24th largest county in Minnesota. The 2010 population was 37,856 and has grown 17.91% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.2 years
Female: 41 years
Male: 39.3 years
There are 32,695 adults, (7,332 of whom are seniors) in Isanti County.
Female: 21,037 (49.4%)
Male: 21,559 (50.6%)
The racial composition of Isanti County includes 91.59% White, and smaller percentages for Asian, Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 39,012 | 91.59% |
| Two or more races | 1,851 | 4.35% |
| Asian | 822 | 1.93% |
| Black or African American | 372 | 0.87% |
| Other race | 356 | 0.84% |
| Native American | 179 | 0.42% |
| Native Hawaiian or Pacific Islander | 4 | 0.01% |
Isanti County 's average per capita income is $54,215. Household income levels show a median of $87,440. The poverty rate stands at 7.45%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $112,279 | $127,057 |
| Families | $101,060 | $114,989 |
| Households | $87,440 | $101,012 |
| Non Families | $49,803 | $62,903 |
Average Income
Median Household Income
Poverty Rate
