Brown County's 2026 population is estimated at 8,892, reflecting a -1.39% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Brown County is the 43rd largest county in Kansas. The 2010 population was 9,967 and has grown -10.79% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.7 years
Female: 42.8 years
Male: 40.2 years
There are 7,010 adults, (2,088 of whom are seniors) in Brown County.
Female: 4,714 (50.5%)
Male: 4,629 (49.5%)
The racial composition of Brown County includes 83.19% White, 7.25% Native American, and smaller percentages for Black or African American, other race, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 7,772 | 83.19% |
| Native American | 677 | 7.25% |
| Two or more races | 570 | 6.1% |
| Black or African American | 148 | 1.58% |
| Other race | 145 | 1.55% |
| Asian | 29 | 0.31% |
| Native Hawaiian or Pacific Islander | 2 | 0.02% |
Brown County 's average per capita income is $43,277. Household income levels show a median of $62,233. The poverty rate stands at 13.76%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $89,125 | - |
| Families | $79,639 | $103,679 |
| Households | $62,233 | $86,032 |
| Non Families | $38,882 | $54,320 |
Average Income
Median Household Income
Poverty Rate
