Demographics & People — Deep River, Washington
Population Overview
| Population (Census) | 197 |
| Estimated 2026 | ~100 |
| Median Age | 66.9 |
| Total Households | 117 |
| Family Households | 67 |
| Average Household Size | 1.68 |
| Diversity Index | 0.0 (relatively homogeneous) |
Race & Ethnicity
| White | 197 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 0 |
Heritage & Ancestry
| Group | Count |
| Finnish | 38 |
| Unclassified or not reported | 34 |
| German | 28 |
| Irish | 19 |
| French (except Basque) | 17 |
| Scandinavian | 15 |
| Other groups | 13 |
| Swedish | 11 |
| Greek | 10 |
| British | 9 |
Language
| English Only | 187 |
| Spanish | 0 |
| Population 5+ | 187 |
Veterans
| Veterans | 21 |
| Population 18+ | 145 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Deep River, Washington.