Demographics & People — Harrison, Idaho
Population Overview
| Population (Census) | 243 |
| Estimated 2026 | ~100 |
| Median Age | 58.4 |
| Total Households | 112 |
| Family Households | 91 |
| Average Household Size | 2.17 |
| Diversity Index | 0.0 (relatively homogeneous) |
Race & Ethnicity
| White | 243 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| German | 96 |
| Unclassified or not reported | 69 |
| Polish | 32 |
| Other groups | 29 |
| Irish | 23 |
| Norwegian | 23 |
| Danish | 11 |
| Russian | 11 |
| French (except Basque) | 10 |
| Australian | 7 |
Language
| English Only | 243 |
| Spanish | 0 |
| Population 5+ | 243 |
Veterans
| Veterans | 40 |
| Population 18+ | 229 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Harrison, Idaho.