Demographics & People — Theresa, New York
Population Overview
| Population (Census) | 1,019 |
| Estimated 2026 | ~800 |
| Median Age | 29.5 |
| Total Households | 354 |
| Family Households | 182 |
| Average Household Size | 2.88 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 722 |
| Black or African American | 0 |
| Asian | 4 |
| Hispanic or Latino | 22 |
Heritage & Ancestry
| Group | Count |
| English | 363 |
| Other groups | 336 |
| Unclassified or not reported | 242 |
| Irish | 91 |
| American | 85 |
| German | 44 |
| French (except Basque) | 40 |
| Hispanic: Hispanic or Latino | 35 |
| French Canadian | 26 |
| Polish | 23 |
Language
| English Only | 948 |
| Spanish | 2 |
| Population 5+ | 980 |
Veterans
| Veterans | 86 |
| Population 18+ | 766 |
Commuting
| Mean Commute Time | 28.4 minutes |
| Work from Home | 4.9% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Theresa, New York.