Demographics & People — Clark Fork, Idaho
Population Overview
| Population (Census) | 981 |
| Estimated 2026 | ~1,000 |
| Median Age | 40.1 |
| Total Households | 361 |
| Family Households | 154 |
| Average Household Size | 2.72 |
| Diversity Index | 0.025 (relatively homogeneous) |
Race & Ethnicity
| White | 936 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 12 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 546 |
| Irish | 105 |
| German | 88 |
| Italian | 61 |
| English | 50 |
| American | 48 |
| Other groups | 30 |
| European | 25 |
| Scotch-Irish | 19 |
| Swiss | 15 |
Language
| English Only | 908 |
| Spanish | 2 |
| Population 5+ | 924 |
Veterans
| Veterans | 94 |
| Population 18+ | 764 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Clark Fork, Idaho.