Demographics & People — Altmar, New York
Population Overview
| Population (Census) | 222 |
| Estimated 2026 | ~300 |
| Median Age | 35.2 |
| Total Households | 115 |
| Family Households | 56 |
| Average Household Size | 1.93 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 190 |
| Black or African American | 0 |
| Asian | 0 |
| Hispanic or Latino | 13 |
Heritage & Ancestry
| Group | Count |
| German | 98 |
| Unclassified or not reported | 74 |
| Irish | 54 |
| Other groups | 52 |
| French Canadian | 49 |
| European | 26 |
| American | 23 |
| Italian | 22 |
| English | 17 |
| British | 13 |
Language
| English Only | 209 |
| Spanish | 13 |
| Population 5+ | 222 |
Veterans
| Veterans | 31 |
| Population 18+ | 220 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Altmar, New York.