Ionia County's 2026 population is estimated at 66,542, reflecting a 0.22% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Ionia County is the 30th largest county in Michigan. The 2010 population was 63,847 and has grown 4.22% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.1 years
Female: 40.4 years
Male: 37.5 years
There are 52,665 adults, (10,522 of whom are seniors) in Ionia County.
Female: 30,750 (46.2%)
Male: 35,824 (53.8%)
The racial composition of Ionia County includes 86.93% White, 3.4% Black or African American, and smaller percentages for other race, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 57,874 | 86.93% |
| Two or more races | 4,844 | 7.28% |
| Black or African American | 2,261 | 3.4% |
| Other race | 879 | 1.32% |
| Native American | 398 | 0.6% |
| Asian | 304 | 0.46% |
| Native Hawaiian or Pacific Islander | 14 | 0.02% |
Ionia County 's average per capita income is $46,903. Household income levels show a median of $75,611. The poverty rate stands at 10.62%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $97,952 | $111,304 |
| Families | $88,133 | $103,864 |
| Households | $75,611 | $88,563 |
| Non Families | $40,833 | $54,669 |
Average Income
Median Household Income
Poverty Rate
