| Place Name | New Gretna |
| Place Type | Census Designated Place |
| ZIP Code(s) | 08087 |
| County | Burlington County |
| Area Code(s) | 609,640 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 360 |
| Majority Ethnicity | White 96.42% |
| Metro/Micro Stats Area | Philadelphia-Camden-Wilmington, PA-NJ-DE-MD |
| US Congressional District(s) | New Jersey 2nd |
| State Assembly Districts | 9 |
| State Senate Districts | 9 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.42% |
| African American | 1.43% |
| Hispanic | 0% |
| Asian | 0.72% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.43% |