Green County's 2026 population is estimated at 37,681, reflecting a 0.67% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Green County is the 40th largest county in Wisconsin. The 2010 population was 36,858 and has grown 2.23% since 2010.
Data after 2023 is projected based on recent change
Overall: 43.6 years
Female: 44.2 years
Male: 43.2 years
There are 29,063 adults, (7,634 of whom are seniors) in Green County.
Female: 18,331 (49.5%)
Male: 18,686 (50.5%)
The racial composition of Green County includes 93.16% White, and smaller percentages for other race, Black or African American, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 34,484 | 93.16% |
| Two or more races | 1,442 | 3.9% |
| Other race | 412 | 1.11% |
| Black or African American | 385 | 1.04% |
| Asian | 264 | 0.71% |
| Native American | 30 | 0.08% |
Green County 's average per capita income is $51,363. Household income levels show a median of $82,852. The poverty rate stands at 7.71%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $115,085 | - |
| Families | $104,334 | $122,143 |
| Households | $82,852 | $99,251 |
| Non Families | $47,823 | $59,471 |
Average Income
Median Household Income
Poverty Rate
