Hillsdale County's 2026 population is estimated at 45,538, reflecting a -0.06% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Hillsdale County is the 38th largest county in Michigan. The 2010 population was 46,646 and has grown -2.38% since 2010.
Data after 2023 is projected based on recent change
Overall: 43.1 years
Female: 43.8 years
Male: 41.7 years
There are 35,828 adults, (9,763 of whom are seniors) in Hillsdale County.
Female: 22,802 (49.9%)
Male: 22,852 (50.1%)
The racial composition of Hillsdale County includes 93.45% White, and smaller percentages for other race, Black or African American, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 42,662 | 93.45% |
| Two or more races | 2,186 | 4.79% |
| Other race | 340 | 0.74% |
| Black or African American | 318 | 0.7% |
| Asian | 117 | 0.26% |
| Native American | 31 | 0.07% |
Hillsdale County 's average per capita income is $43,468. Household income levels show a median of $64,242. The poverty rate stands at 14.37%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $87,621 | $107,283 |
| Families | $77,072 | $96,057 |
| Households | $64,242 | $81,816 |
| Non Families | $36,380 | $49,367 |
Average Income
Median Household Income
Poverty Rate
