Demographics & People — Onalaska, Texas
Population Overview
| Population (Census) | 3,133 |
| Estimated 2026 | ~3,400 |
| Median Age | 43.8 |
| Total Households | 1,230 |
| Family Households | 757 |
| Average Household Size | 2.54 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 2,709 |
| Black or African American | 54 |
| Asian | 0 |
| Hispanic or Latino | 265 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 1,488 |
| Irish | 517 |
| English | 405 |
| German | 363 |
| American | 174 |
| Other groups | 159 |
| Hispanic: Hispanic or Latino | 103 |
| Pennsylvania German | 90 |
| Welsh | 84 |
| French (except Basque) | 75 |
Language
| English Only | 2,875 |
| Spanish | 77 |
| Population 5+ | 2,952 |
Veterans
| Veterans | 387 |
| Population 18+ | 2,216 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Onalaska, Texas.