Clinton County's 2026 population is estimated at 80,504, reflecting a 0.28% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Clinton County is the 25th largest county in Michigan. The 2010 population was 75,400 and has grown 6.77% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.8 years
Female: 42.8 years
Male: 40.8 years
There are 62,621 adults, (14,971 of whom are seniors) in Clinton County.
Female: 40,095 (50.4%)
Male: 39,531 (49.6%)
The racial composition of Clinton County includes 88.72% White, and smaller percentages for Black or African American, other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 70,643 | 88.72% |
| Two or more races | 4,714 | 5.92% |
| Black or African American | 1,541 | 1.94% |
| Other race | 1,266 | 1.59% |
| Asian | 1,226 | 1.54% |
| Native American | 229 | 0.29% |
| Native Hawaiian or Pacific Islander | 7 | 0.01% |
Clinton County 's average per capita income is $57,832. Household income levels show a median of $88,210. The poverty rate stands at 9.68%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $121,823 | $147,858 |
| Families | $109,347 | $133,829 |
| Households | $88,210 | $112,690 |
| Non Families | $50,014 | $66,563 |
Average Income
Median Household Income
Poverty Rate