Demographics & People — Three Forks, Montana
Population Overview
| Population (Census) | 2,034 |
| Estimated 2026 | ~1,700 |
| Median Age | 41.4 |
| Total Households | 879 |
| Family Households | 491 |
| Average Household Size | 2.3 |
| Diversity Index | 0.1055 (relatively homogeneous) |
Race & Ethnicity
| White | 1,921 |
| Black or African American | 0 |
| Asian | 39 |
| Hispanic or Latino | 73 |
Heritage & Ancestry
| Group | Count |
| German | 660 |
| Unclassified or not reported | 455 |
| Irish | 334 |
| Other groups | 216 |
| English | 161 |
| Swiss | 91 |
| Norwegian | 87 |
| American | 86 |
| Hispanic: Hispanic or Latino | 76 |
| Scottish | 69 |
Language
| English Only | 1,896 |
| Spanish | 7 |
| Population 5+ | 1,931 |
Veterans
| Veterans | 157 |
| Population 18+ | 1,488 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Three Forks, Montana.