Kent County's 2026 population is estimated at 688,788, reflecting a 1.16% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Kent County is the 4th largest county in Michigan. The 2010 population was 602,994 and has grown 14.23% since 2010.
Data after 2023 is projected based on recent change
Overall: 35.9 years
Female: 36.7 years
Male: 35.2 years
There are 507,332 adults, (98,825 of whom are seniors) in Kent County.
Female: 333,981 (50.4%)
Male: 329,169 (49.6%)
The racial composition of Kent County includes 72.48% White, 9.77% Black or African American, 3.29% other race, 3.22% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 480,632 | 72.48% |
| Two or more races | 71,215 | 10.74% |
| Black or African American | 64,774 | 9.77% |
| Other race | 21,800 | 3.29% |
| Asian | 21,353 | 3.22% |
| Native American | 3,249 | 0.49% |
| Native Hawaiian or Pacific Islander | 127 | 0.02% |
Kent County 's average per capita income is $52,184. Household income levels show a median of $82,631. The poverty rate stands at 10.05%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $118,784 | $148,645 |
| Families | $102,163 | $131,142 |
| Households | $82,631 | $109,612 |
| Non Families | $50,156 | $64,887 |
Average Income
Median Household Income
Poverty Rate