Demographics & People — Williamsville, New York
Population Overview
| Population (Census) | 5,430 |
|---|
| Estimated 2026 | ~5,600 |
|---|
| Median Age | 49.2 |
|---|
| Total Households | 2,690 |
|---|
| Family Households | 1,387 |
|---|
| Average Household Size | 1.95 |
|---|
| Diversity Index | N/A (N/A) |
|---|
Race & Ethnicity
| White | 4,954 |
|---|
| Black or African American | 70 |
|---|
| Asian | 45 |
|---|
| Hispanic or Latino | 71 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 1,798 |
| Unclassified or not reported | 1,001 |
| Italian | 927 |
| Irish | 924 |
| Polish | 916 |
| English | 548 |
| Other groups | 332 |
| Scottish | 235 |
| French Canadian | 201 |
| American | 161 |
Language
| English Only | 4,919 |
|---|
| Spanish | 29 |
|---|
| Population 5+ | 5,037 |
|---|
Veterans
| Veterans | 210 |
|---|
| Population 18+ | 4,458 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Williamsville, New York.
