Demographics & People — Island Park, Idaho
Population Overview
| Population (Census) | 169 |
| Estimated 2026 | ~200 |
| Median Age | 67.1 |
| Total Households | 83 |
| Family Households | 55 |
| Average Household Size | 2.04 |
| Diversity Index | 0.0701 (relatively homogeneous) |
Race & Ethnicity
| White | 159 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 6 |
Heritage & Ancestry
| Group | Count |
| English | 60 |
| German | 28 |
| Polish | 23 |
| Irish | 12 |
| Scandinavian | 12 |
| American | 11 |
| Italian | 9 |
| Unclassified or not reported | 9 |
| Scotch-Irish | 7 |
| Danish | 5 |
Language
| English Only | 166 |
| Spanish | 0 |
| Population 5+ | 169 |
Veterans
| Veterans | 17 |
| Population 18+ | 135 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Island Park, Idaho.