Demographics & People — South Hills, Montana
Population Overview
| Population (Census) | 634 |
| Estimated 2026 | ~600 |
| Median Age | 48.9 |
| Total Households | 226 |
| Family Households | 199 |
| Average Household Size | 2.81 |
| Diversity Index | 0.0414 (relatively homogeneous) |
Race & Ethnicity
| White | 601 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 13 |
Heritage & Ancestry
| Group | Count |
| German | 159 |
| English | 110 |
| Other groups | 102 |
| Irish | 83 |
| Unclassified or not reported | 78 |
| French (except Basque) | 51 |
| Scandinavian | 45 |
| European | 41 |
| Norwegian | 33 |
| Swedish | 26 |
Language
| English Only | 602 |
| Spanish | 5 |
| Population 5+ | 607 |
Veterans
| Veterans | 47 |
| Population 18+ | 494 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for South Hills, Montana.