Demographics & People — Lake Ronkonkoma, New York
Population Overview
| Population (Census) | 18,289 |
| Estimated 2026 | ~18,100 |
| Median Age | 42.6 |
| Total Households | 6,595 |
| Family Households | 4,188 |
| Average Household Size | 2.72 |
| Diversity Index | N/A (N/A) |
Race & Ethnicity
| White | 14,280 |
| Black or African American | 626 |
| Asian | 1,479 |
| Hispanic or Latino | 2,806 |
Heritage & Ancestry
| Group | Count |
| Italian | 5,157 |
| Other groups | 4,034 |
| Irish | 3,891 |
| Unclassified or not reported | 3,574 |
| Hispanic: Hispanic or Latino | 2,852 |
| German | 2,376 |
| American | 1,852 |
| Hispanic: Puerto Rican | 1,548 |
| Hispanic: South American | 729 |
| Polish | 664 |
Language
| English Only | 13,646 |
| Spanish | 1,701 |
| Population 5+ | 17,253 |
Veterans
| Veterans | 638 |
| Population 18+ | 14,477 |
Commuting
| Mean Commute Time | 28.3 minutes |
| Work from Home | 9.7% |
| 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 Lake Ronkonkoma, New York.