Demographics & People — Waterville, Washington
Population Overview
| Population (Census) | 1,353 |
| Estimated 2026 | ~1,000 |
| Median Age | 47.3 |
| Total Households | 483 |
| Family Households | 345 |
| Average Household Size | 2.77 |
| Diversity Index | 0.3419 (somewhat diverse) |
Race & Ethnicity
| White | 997 |
| Black or African American | 3 |
| Asian | 6 |
| Hispanic or Latino | 266 |
Heritage & Ancestry
| Group | Count |
| Other groups | 608 |
| German | 382 |
| Hispanic: Mexican | 200 |
| Hispanic: Hispanic or Latino | 200 |
| English | 189 |
| Norwegian | 111 |
| Irish | 100 |
| Scottish | 84 |
| European | 80 |
| French (except Basque) | 62 |
Language
| English Only | 1,016 |
| Spanish | 246 |
| Population 5+ | 1,294 |
Veterans
| Veterans | 88 |
| Population 18+ | 1,241 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Waterville, Washington.