Monroe County's 2026 population is estimated at 156,955, reflecting a 0.29% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Monroe County is the 15th largest county in Michigan. The 2010 population was 151,936 and has grown 3.3% since 2010.
Data after 2023 is projected based on recent change
Overall: 42.8 years
Female: 43.7 years
Male: 41.8 years
There are 122,983 adults, (30,930 of whom are seniors) in Monroe County.
Female: 78,001 (50.2%)
Male: 77,504 (49.8%)
The racial composition of Monroe County includes 89.98% 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 | 139,931 | 89.98% |
| Two or more races | 9,740 | 6.26% |
| Black or African American | 3,386 | 2.18% |
| Other race | 1,635 | 1.05% |
| Asian | 623 | 0.4% |
| Native American | 165 | 0.11% |
| Native Hawaiian or Pacific Islander | 25 | 0.02% |
Monroe County 's average per capita income is $54,253. Household income levels show a median of $77,335. The poverty rate stands at 10.53%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $108,868 | $127,332 |
| Families | $95,770 | $115,809 |
| Households | $77,335 | $98,107 |
| Non Families | $46,155 | $61,532 |
Average Income
Median Household Income
Poverty Rate