Buffalo County's 2026 population is estimated at 51,218, reflecting a 0.09% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Buffalo County is the 5th largest county in Nebraska. The 2010 population was 46,176 and has grown 10.92% since 2010.
Overall: 35.1 years
Female: 36.4 years
Male: 34 years
There are 39,087 adults, (8,394 of whom are seniors) in Buffalo County.
Female: 25,089 (49.6%)
Male: 25,490 (50.4%)
The racial composition of Buffalo County includes 86.55% White, 4.67% other race, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 43,775 | 86.55% |
| Two or more races | 2,812 | 5.56% |
| Other race | 2,363 | 4.67% |
| Asian | 827 | 1.64% |
| Black or African American | 467 | 0.92% |
| Native American | 259 | 0.51% |
| Native Hawaiian or Pacific Islander | 76 | 0.15% |
Buffalo County 's average per capita income is $50,010. Household income levels show a median of $75,911. The poverty rate stands at 9.88%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $111,091 | - |
| Families | $100,327 | $117,258 |
| Households | $75,911 | $94,897 |
| Non Families | $41,157 | $58,259 |
Average Income
Median Household Income
Poverty Rate
