Buffalo County's estimated 2026 population is 13,512 with a growth rate of 0.18% 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 -0.29% since that time.
Data after 2023 is projected based on recent change
The racial composition of Buffalo County includes 95.16% White, and smaller percentages for other race, Black or African American, Native American, Asian and multiracial populations.
White (95.16%)
Two or more races (3.04%)
Other race (1.04%)
Black or African American (0.48%)
Native American (0.14%)
Asian (0.14%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 12,695 | 95.16% |
| Two or more races | 405 | 3.04% |
| Other race | 139 | 1.04% |
| Black or African American | 64 | 0.48% |
| Native American | 19 | 0.14% |
| Asian | 19 | 0.14% |
Married
Widowed
Divorced
Separated
Never Married
Buffalo County's average per capita income is $46,629. Household income levels show a median of $68,722. The poverty rate stands at 8.73%.
Name | Median | Mean |
|---|---|---|
| Married Families | $91,803 | - |
| Families | $82,836 | $93,716 |
| Households | $68,722 | $80,608 |
| Non Families | $41,311 | $52,415 |
Average Income
Median Household Income
Poverty Rate
