Demographics & People — Lake Hiawatha, New Jersey
Population Overview
| Population (Census) | 10,406 |
| Estimated 2026 | ~12,600 |
| Median Age | 38.9 |
| Total Households | 4,352 |
| Family Households | 2,724 |
| Average Household Size | 2.39 |
| Diversity Index | 0.5943 (moderately diverse) |
Race & Ethnicity
| White | 5,370 |
| Black or African American | 315 |
| Asian | 3,764 |
| Hispanic or Latino | 970 |
Heritage & Ancestry
| Group | Count |
| Other groups | 4,412 |
| Italian | 2,407 |
| Irish | 1,539 |
| Unclassified or not reported | 1,529 |
| Hispanic: Hispanic or Latino | 998 |
| Hispanic: South American | 542 |
| English | 494 |
| German | 488 |
| Dutch | 479 |
| Polish | 351 |
Language
| English Only | 5,616 |
| Spanish | 598 |
| Population 5+ | 9,974 |
Veterans
| Veterans | 217 |
| Population 18+ | 8,179 |
Commuting
| Mean Commute Time | 25.0 minutes |
| Work from Home | 17.7% |
| 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 Hiawatha, New Jersey.