Demographics & People — Hartline, Washington
Population Overview
| Population (Census) | 217 |
| Estimated 2026 | ~100 |
| Median Age | 55.5 |
| Total Households | 118 |
| Family Households | 47 |
| Average Household Size | 1.84 |
| Diversity Index | 0.0294 (relatively homogeneous) |
Race & Ethnicity
| White | 198 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 3 |
Heritage & Ancestry
| Group | Count |
| German | 73 |
| Unclassified or not reported | 65 |
| American | 33 |
| English | 27 |
| Irish | 17 |
| Other groups | 11 |
| Norwegian | 10 |
| Swedish | 4 |
| British | 2 |
| Danish | 2 |
Language
| English Only | 208 |
| Spanish | 0 |
| Population 5+ | 208 |
Veterans
| Veterans | 12 |
| Population 18+ | 163 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Hartline, Washington.