Cass County's 2026 population is estimated at 31,540, reflecting a 0.16% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Cass County is the 34th largest county in Minnesota. The 2010 population was 28,654 and has grown 10.07% since 2010.
Data after 2023 is projected based on recent change
Overall: 49.9 years
Female: 50.6 years
Male: 48.9 years
There are 24,802 adults, (8,508 of whom are seniors) in Cass County.
Female: 15,025 (48.5%)
Male: 15,967 (51.5%)
The racial composition of Cass County includes 80.93% White, 9.22% Native American, and smaller percentages for other race, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 25,081 | 80.93% |
| Native American | 2,857 | 9.22% |
| Two or more races | 2,518 | 8.12% |
| Other race | 247 | 0.8% |
| Asian | 150 | 0.48% |
| Black or African American | 114 | 0.37% |
| Native Hawaiian or Pacific Islander | 25 | 0.08% |
Cass County 's average per capita income is $42,222. Household income levels show a median of $68,874. The poverty rate stands at 12.81%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $95,214 | $117,829 |
| Families | $83,729 | $106,999 |
| Households | $68,874 | $90,608 |
| Non Families | $40,300 | $54,044 |
Average Income
Median Household Income
Poverty Rate
