Lenawee County's 2026 population is estimated at 97,996, reflecting a 0.13% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Lenawee County is the 21st largest county in Michigan. The 2010 population was 99,642 and has grown -1.65% since 2010.
Data after 2023 is projected based on recent change
Overall: 42.4 years
Female: 43.8 years
Male: 41 years
There are 78,198 adults, (20,023 of whom are seniors) in Lenawee County.
Female: 48,467 (49.2%)
Male: 49,948 (50.8%)
The racial composition of Lenawee County includes 87.2% 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 | 85,816 | 87.2% |
| Two or more races | 7,450 | 7.57% |
| Black or African American | 2,335 | 2.37% |
| Other race | 2,168 | 2.2% |
| Asian | 355 | 0.36% |
| Native American | 259 | 0.26% |
| Native Hawaiian or Pacific Islander | 32 | 0.03% |
Lenawee County 's average per capita income is $45,475. Household income levels show a median of $70,518. The poverty rate stands at 10.71%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $95,651 | $113,456 |
| Families | $84,101 | $100,955 |
| Households | $70,518 | $86,684 |
| Non Families | $39,338 | $51,783 |
Average Income
Median Household Income
Poverty Rate