Demographics & People — Colstrip, Montana
Population Overview
| Population (Census) | 2,156 |
| Estimated 2026 | ~2,000 |
| Median Age | 44.2 |
| Total Households | 886 |
| Family Households | 577 |
| Average Household Size | 2.43 |
| Diversity Index | 0.1613 (relatively homogeneous) |
Race & Ethnicity
| White | 1,679 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 163 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 582 |
| Other groups | 462 |
| German | 459 |
| English | 382 |
| Norwegian | 288 |
| Irish | 279 |
| Hispanic: Mexican | 253 |
| Hispanic: Hispanic or Latino | 253 |
| Scottish | 237 |
| American | 77 |
Language
| English Only | 1,937 |
| Spanish | 56 |
| Population 5+ | 2,052 |
Veterans
| Veterans | 248 |
| Population 18+ | 1,635 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Colstrip, Montana.