Demographics & People — East Millstone, New Jersey
Population Overview
| Population (Census) | 653 |
| Estimated 2026 | ~800 |
| Median Age | 52.4 |
| Total Households | 245 |
| Family Households | 198 |
| Average Household Size | 2.67 |
| Diversity Index | 0.4973 (moderately diverse) |
Race & Ethnicity
| White | 423 |
| Black or African American | 182 |
| Asian | 0 |
| Hispanic or Latino | 48 |
Heritage & Ancestry
| Group | Count |
| German | 257 |
| American | 115 |
| Polish | 96 |
| Other groups | 80 |
| Irish | 79 |
| Hispanic: Colombian | 45 |
| Hispanic: Hispanic or Latino | 45 |
| Hispanic: South American | 45 |
| English | 44 |
| Hungarian | 34 |
Language
| English Only | 584 |
| Spanish | 36 |
| Population 5+ | 631 |
Veterans
| Veterans | 42 |
| Population 18+ | 391 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for East Millstone, New Jersey.