Demographics & People — Oneida Castle, New York
Population Overview
| Population (Census) | 700 |
| Estimated 2026 | ~400 |
| Median Age | 43.1 |
| Total Households | 307 |
| Family Households | 155 |
| Average Household Size | 2.28 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 646 |
| Black or African American | 6 |
| Asian | 1 |
| Hispanic or Latino | 30 |
Heritage & Ancestry
| Group | Count |
| German | 140 |
| Unclassified or not reported | 136 |
| English | 122 |
| Italian | 118 |
| Irish | 105 |
| French (except Basque) | 94 |
| Scottish | 56 |
| American | 36 |
| Other groups | 35 |
| Hispanic: Hispanic or Latino | 31 |
Language
| English Only | 653 |
| Spanish | 0 |
| Population 5+ | 666 |
Veterans
| Veterans | 63 |
| Population 18+ | 546 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Oneida Castle, New York.