Gratiot County's 2026 population is estimated at 41,248, reflecting a -0.15% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Gratiot County is the 40th largest county in Michigan. The 2010 population was 42,431 and has grown -2.79% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.6 years
Female: 40.5 years
Male: 39 years
There are 33,306 adults, (7,377 of whom are seniors) in Gratiot County.
Female: 19,036 (46%)
Male: 22,349 (54%)
The racial composition of Gratiot County includes 86.01% White, 5.83% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 35,595 | 86.01% |
| Black or African American | 2,413 | 5.83% |
| Two or more races | 2,366 | 5.72% |
| Other race | 734 | 1.77% |
| Asian | 169 | 0.41% |
| Native American | 108 | 0.26% |
Gratiot County 's average per capita income is $41,937. Household income levels show a median of $63,556. The poverty rate stands at 13.97%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $90,166 | $105,711 |
| Families | $75,998 | $97,235 |
| Households | $63,556 | $83,011 |
| Non Families | $37,678 | $48,813 |
Average Income
Median Household Income
Poverty Rate