Demographics & People — Wilmington, New York
Population Overview
| Population (Census) | 979 |
| Estimated 2026 | ~800 |
| Median Age | 43.1 |
| Total Households | 397 |
| Family Households | 318 |
| Average Household Size | 2.46 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 957 |
| Black or African American | 2 |
| Asian | 0 |
| Hispanic or Latino | 5 |
Heritage & Ancestry
| Group | Count |
| Unclassified or not reported | 226 |
| English | 160 |
| Irish | 138 |
| Italian | 125 |
| German | 106 |
| French (except Basque) | 101 |
| Polish | 74 |
| Other groups | 67 |
| Scottish | 40 |
| Welsh | 34 |
Language
| English Only | 913 |
| Spanish | 17 |
| Population 5+ | 941 |
Veterans
| Veterans | 65 |
| Population 18+ | 827 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Wilmington, New York.