Demographics & People — Commack, New York
Population Overview
| Population (Census) | 36,353 |
| Estimated 2026 | ~37,000 |
| Median Age | 42.3 |
| Total Households | 11,578 |
| Family Households | 9,824 |
| Average Household Size | 3.08 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 30,862 |
| Black or African American | 672 |
| Asian | 1,898 |
| Hispanic or Latino | 3,792 |
Heritage & Ancestry
| Group | Count |
| Italian | 9,743 |
| Unclassified or not reported | 8,170 |
| Irish | 6,009 |
| Other groups | 5,336 |
| German | 3,613 |
| Hispanic: Hispanic or Latino | 3,060 |
| Russian | 1,892 |
| American | 1,888 |
| Polish | 1,876 |
| English | 1,777 |
Language
| English Only | 29,604 |
| Spanish | 1,222 |
| Population 5+ | 34,480 |
Veterans
| Veterans | 996 |
| Population 18+ | 27,980 |
Commuting
| Mean Commute Time | 33.1 minutes |
| Work from Home | 19.1% |
| 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 Commack, New York.