Demographics & People — Mountain Lakes, New Jersey
Population Overview
| Population (Census) | 4,535 |
| Estimated 2026 | ~4,700 |
| Median Age | 43.4 |
| Total Households | 1,418 |
| Family Households | 1,217 |
| Average Household Size | 3.2 |
| Diversity Index | 0.2984 (somewhat diverse) |
Race & Ethnicity
| White | 3,613 |
| Black or African American | 0 |
| Asian | 601 |
| Hispanic or Latino | 163 |
Heritage & Ancestry
| Group | Count |
| Italian | 1,371 |
| Irish | 1,141 |
| Other groups | 902 |
| German | 610 |
| Unclassified or not reported | 521 |
| English | 427 |
| Hispanic: Hispanic or Latino | 242 |
| Polish | 215 |
| Hungarian | 202 |
| American | 199 |
Language
| English Only | 3,587 |
| Spanish | 115 |
| Population 5+ | 4,345 |
Veterans
| Veterans | 45 |
| Population 18+ | 2,974 |
Commuting
| Mean Commute Time | 34.3 minutes |
| Work from Home | 30.8% |
| 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 Mountain Lakes, New Jersey.