Demographics & People — Harlowton, Montana
Population Overview
| Population (Census) | 1,054 |
| Estimated 2026 | ~1,100 |
| Median Age | 50.5 |
| Total Households | 427 |
| Family Households | 287 |
| Average Household Size | 2.39 |
| Diversity Index | 0.0986 (relatively homogeneous) |
Race & Ethnicity
| White | 1,003 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 55 |
Heritage & Ancestry
| Group | Count |
| American | 363 |
| Irish | 242 |
| German | 209 |
| Other groups | 78 |
| Norwegian | 74 |
| Unclassified or not reported | 59 |
| Dutch | 44 |
| Hispanic: Hispanic or Latino | 44 |
| Scottish | 43 |
| Hispanic: Mexican | 43 |
Language
| English Only | 1,031 |
| Spanish | 0 |
| Population 5+ | 1,037 |
Veterans
| Veterans | 91 |
| Population 18+ | 804 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Harlowton, Montana.