Demographics & People — Smithtown, New York
Population Overview
| Population (Census) | 24,940 |
| Estimated 2026 | ~23,100 |
| Median Age | 47.0 |
| Total Households | 8,244 |
| Family Households | 6,332 |
| Average Household Size | 2.94 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 21,289 |
| Black or African American | 167 |
| Asian | 1,113 |
| Hispanic or Latino | 2,718 |
Heritage & Ancestry
| Group | Count |
| Italian | 7,786 |
| Irish | 5,259 |
| Unclassified or not reported | 4,586 |
| Other groups | 3,589 |
| German | 3,547 |
| American | 2,651 |
| Hispanic: Hispanic or Latino | 2,414 |
| English | 1,399 |
| Polish | 1,058 |
| Hispanic: Puerto Rican | 938 |
Language
| English Only | 20,738 |
| Spanish | 963 |
| Population 5+ | 23,552 |
Veterans
| Veterans | 1,159 |
| Population 18+ | 20,228 |
Commuting
| Mean Commute Time | 33.2 minutes |
| Work from Home | 18.6% |
| 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 Smithtown, New York.