Waseca County's 2026 population is estimated at 18,242, reflecting a -1.2% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Waseca County is the 50th largest county in Minnesota. The 2010 population was 19,145 and has grown -4.72% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.6 years
Female: 39.8 years
Male: 41 years
There are 14,589 adults, (3,614 of whom are seniors) in Waseca County.
Female: 9,730 (51.5%)
Male: 9,155 (48.5%)
The racial composition of Waseca County includes 91.38% White, and smaller percentages for Asian, other race, Black or African American, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 17,257 | 91.38% |
| Two or more races | 655 | 3.47% |
| Asian | 354 | 1.87% |
| Other race | 322 | 1.71% |
| Black or African American | 191 | 1.01% |
| Native American | 106 | 0.56% |
Waseca County 's average per capita income is $49,807. Household income levels show a median of $76,261. The poverty rate stands at 7.5%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $101,005 | - |
| Families | $90,692 | $105,804 |
| Households | $76,261 | $90,562 |
| Non Families | $44,783 | $53,582 |
Average Income
Median Household Income
Poverty Rate
