Demographics & People — Lewisville, Washington
Population Overview
| Population (Census) | 2,372 |
| Estimated 2026 | ~2,700 |
| Median Age | 43.0 |
| Total Households | 826 |
| Family Households | 764 |
| Average Household Size | 2.87 |
| Diversity Index | 0.045 (relatively homogeneous) |
Race & Ethnicity
| White | 2,218 |
| Black or African American | 0 |
| Asian | 25 |
| Hispanic or Latino | 27 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 627 |
| English | 619 |
| Irish | 331 |
| Other groups | 325 |
| German | 323 |
| Ukrainian | 166 |
| French (except Basque) | 125 |
| Hispanic: Hispanic or Latino | 99 |
| Italian | 85 |
| Finnish | 84 |
Language
| English Only | 2,034 |
| Spanish | 6 |
| Population 5+ | 2,228 |
Veterans
| Veterans | 177 |
| Population 18+ | 1,876 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Lewisville, Washington.