Demographics & People — Buffalo, Kansas
Population Overview
| Population (Census) | 290 |
|---|
| Estimated 2026 | ~300 |
|---|
| Median Age | 34.8 |
|---|
| Total Households | 94 |
|---|
| Family Households | 61 |
|---|
| Average Household Size | 3.09 |
|---|
| Diversity Index | 0.0284 (relatively homogeneous) |
|---|
Race & Ethnicity
| White | 275 |
|---|
| Black or African American | 2 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 2 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Unclassified or not reported | 188 |
| German | 65 |
| Irish | 38 |
| Other groups | 38 |
| Polish | 16 |
| English | 14 |
| American | 4 |
| Scotch-Irish | 4 |
| Welsh | 3 |
| Swedish | 3 |
Language
| English Only | 241 |
|---|
| Spanish | 3 |
|---|
| Population 5+ | 244 |
|---|
Veterans
| Veterans | 4 |
|---|
| Population 18+ | 196 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Buffalo, Kansas.
