Demographics & People — Buffalo Gap, South Dakota
Population Overview
| Population (Census) | 140 |
|---|
| Estimated 2026 | ~100 |
|---|
| Median Age | 66.3 |
|---|
| Total Households | 87 |
|---|
| Family Households | 34 |
|---|
| Average Household Size | 1.61 |
|---|
| Diversity Index | N/A (N/A) |
|---|
Race & Ethnicity
| White | 123 |
|---|
| Black or African American | 0 |
|---|
| Asian | 0 |
|---|
| Hispanic or Latino | 0 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| English | 60 |
| Irish | 44 |
| German | 27 |
| Other groups | 9 |
| Austrian | 8 |
| Scottish | 7 |
| Unclassified or not reported | 7 |
| Italian | 5 |
| Danish | 3 |
| French (except Basque) | 3 |
Language
| English Only | 115 |
|---|
| Spanish | 15 |
|---|
| Population 5+ | 132 |
|---|
Veterans
| Veterans | 56 |
|---|
| Population 18+ | 110 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Buffalo Gap, South Dakota.
