Demographics & People — Llewellyn Park, New Jersey
Population Overview
| Population (Census) | 536 |
|---|
| Estimated 2026 | ~600 |
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| Median Age | 43.4 |
|---|
| Total Households | 246 |
|---|
| Family Households | 145 |
|---|
| Average Household Size | 2.18 |
|---|
| Diversity Index | 0.5436 (moderately diverse) |
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Race & Ethnicity
| White | 344 |
|---|
| Black or African American | 54 |
|---|
| Asian | 37 |
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| Hispanic or Latino | 107 |
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Heritage & Ancestry
| Group | Count |
|---|
| Other groups | 375 |
| Unclassified or not reported | 187 |
| Hispanic: Hispanic or Latino | 147 |
| Hispanic: Peruvian | 66 |
| Hispanic: South American | 66 |
| Irish | 57 |
| Hispanic: Cuban | 47 |
| American | 45 |
| Polish | 29 |
| German | 27 |
Language
| English Only | 382 |
|---|
| Spanish | 154 |
|---|
| Population 5+ | 536 |
|---|
Veterans
| Veterans | 0 |
|---|
| Population 18+ | 570 |
|---|
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Llewellyn Park, New Jersey.
