Demographics & People — Onalaska, Washington
Population Overview
| Population (Census) | 657 |
|---|
| Estimated 2026 | ~1,500 |
|---|
| Median Age | 38.4 |
|---|
| Total Households | 265 |
|---|
| Family Households | 199 |
|---|
| Average Household Size | 2.48 |
|---|
| Diversity Index | 0.1371 (relatively homogeneous) |
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Race & Ethnicity
| White | 588 |
|---|
| Black or African American | 0 |
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| Asian | 0 |
|---|
| Hispanic or Latino | 47 |
|---|
Heritage & Ancestry
| Group | Count |
|---|
| Italian | 202 |
| Irish | 170 |
| Norwegian | 129 |
| Eastern European | 100 |
| British | 94 |
| Unclassified or not reported | 89 |
| German | 70 |
| Other groups | 45 |
| Hispanic: Mexican | 45 |
| Hispanic: Hispanic or Latino | 45 |
Language
| English Only | 528 |
|---|
| Spanish | 47 |
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| Population 5+ | 575 |
|---|
Veterans
| Veterans | 6 |
|---|
| Population 18+ | 478 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013 (county fallback). Data for Onalaska, Washington.
