Brown County's 2026 population is estimated at 277,579, reflecting a 0.67% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Brown County is the 4th largest county in Wisconsin. The 2010 population was 248,474 and has grown 11.71% since 2010.
Data after 2023 is projected based on recent change
Overall: 38.2 years
Female: 39.1 years
Male: 37.3 years
There are 208,632 adults, (44,324 of whom are seniors) in Brown County.
Female: 135,558 (50%)
Male: 135,334 (50%)
The racial composition of Brown County includes 79.04% White, 4.09% other race, 3.39% Asian, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 214,103 | 79.04% |
| Two or more races | 24,560 | 9.07% |
| Other race | 11,087 | 4.09% |
| Asian | 9,193 | 3.39% |
| Black or African American | 6,745 | 2.49% |
| Native American | 5,117 | 1.89% |
| Native Hawaiian or Pacific Islander | 87 | 0.03% |
Brown County 's average per capita income is $52,733. Household income levels show a median of $79,649. The poverty rate stands at 9.06%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $116,572 | $143,648 |
| Families | $103,157 | $126,792 |
| Households | $79,649 | $102,662 |
| Non Families | $49,604 | $60,462 |
Average Income
Median Household Income
Poverty Rate