Demographics & People — Erma, New Jersey
Population Overview
| Population (Census) | 2,039 |
| Estimated 2026 | ~1,800 |
| Median Age | 44.8 |
| Total Households | 782 |
| Family Households | 591 |
| Average Household Size | 2.6 |
| Diversity Index | 0.2808 (somewhat diverse) |
Race & Ethnicity
| White | 1,602 |
| Black or African American | 118 |
| Asian | 21 |
| Hispanic or Latino | 163 |
Heritage & Ancestry
| Group | Count |
| Irish | 495 |
| Unclassified or not reported | 453 |
| German | 392 |
| Other groups | 279 |
| English | 232 |
| Italian | 188 |
| Hispanic: Hispanic or Latino | 125 |
| Polish | 123 |
| Portuguese | 87 |
| Hispanic: Dominican (Dominican Republic) | 73 |
Language
| English Only | 1,665 |
| Spanish | 101 |
| Population 5+ | 1,835 |
Veterans
| Veterans | 59 |
| Population 18+ | 1,334 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Erma, New Jersey.