Demographics & People — Big Sandy, Montana
Population Overview
| Population (Census) | 844 |
| Estimated 2026 | ~700 |
| Median Age | 43.4 |
| Total Households | 279 |
| Family Households | 168 |
| Average Household Size | 2.96 |
| Diversity Index | 0.0382 (relatively homogeneous) |
Race & Ethnicity
| White | 657 |
| Black or African American | 8 |
| Asian | 5 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Other groups | 165 |
| Unclassified or not reported | 150 |
| German | 148 |
| American | 120 |
| Norwegian | 112 |
| Irish | 70 |
| English | 50 |
| Scandinavian | 36 |
| European | 23 |
| Dutch | 19 |
Language
| English Only | 791 |
| Spanish | 0 |
| Population 5+ | 794 |
Veterans
| Veterans | 28 |
| Population 18+ | 597 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Big Sandy, Montana.