Buffalo County's estimated 2026 population is 13,238 with a growth rate of -0.6% in the past year according to the most recent United States census data. Buffalo County is the 67th largest county in Wisconsin. The 2010 population was 13,551 and has seen a growth of -2.31% since that time.
Data after 2023 is projected based on recent change
Overall: 46.5 years
Female: 46.2 years
Male: 46.8 years
There are 10,725 adults, (3,218 of whom are seniors) in Buffalo County.
Female: 6,634 (49.5%)
Male: 6,759 (50.5%)
The racial composition of Buffalo County includes 94.07% White, and smaller percentages for other race, Black or African American, Asian, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 12,599 | 94.07% |
| Two or more races | 492 | 3.67% |
| Other race | 183 | 1.37% |
| Black or African American | 57 | 0.43% |
| Asian | 33 | 0.25% |
| Native American | 29 | 0.22% |
Buffalo County's average per capita income is $49,142. Household income levels show a median of $70,479. The poverty rate stands at 8.43%.
Name | Median | Mean |
|---|---|---|
| Married Families | $95,970 | - |
| Families | $85,785 | $96,844 |
| Households | $70,479 | $85,332 |
| Non Families | $44,223 | $60,199 |
Average Income
Median Household Income
Poverty Rate