Isabella County's 2026 population is estimated at 64,509, reflecting a -0.28% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Isabella County is the 31st largest county in Michigan. The 2010 population was 70,297 and has grown -8.23% since 2010.
Overall: 30.1 years
Female: 29.7 years
Male: 30.3 years
There are 53,094 adults, (9,022 of whom are seniors) in Isabella County.
Female: 33,161 (51.4%)
Male: 31,404 (48.6%)
The racial composition of Isabella County includes 84.51% White, 3% Native American, and smaller percentages for Black or African American, Asian, other race, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 54,561 | 84.51% |
| Two or more races | 4,338 | 6.72% |
| Native American | 1,934 | 3% |
| Black or African American | 1,616 | 2.5% |
| Asian | 1,091 | 1.69% |
| Other race | 1,011 | 1.57% |
| Native Hawaiian or Pacific Islander | 14 | 0.02% |
Isabella County 's average per capita income is $44,565. Household income levels show a median of $55,237. The poverty rate stands at 21.9%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $94,396 | $112,302 |
| Families | $78,273 | $95,924 |
| Households | $55,237 | $74,216 |
| Non Families | $34,690 | $46,417 |
Average Income
Median Household Income
Poverty Rate