New Gretna, New Jersey
New Gretna is an unincorporated community and census-designated place located within Bass River Township in Burlington County, in the U.S. state of New Jersey. The area is served as United States Postal Service ZIP Code 08224.
As of the 2010 United States census, the population for ZIP Code Tabulation Area 08224 was 573. The population for the ZCTA as of the 2000 United States census was 543.
The Bead Wreck Site at New Gretna is listed on the National Register of Historic Places as site #88001899.
New Gretna was named after Gretna Green in Scotland.
Demographics
New Gretna was first listed as a census designated place in the 2020 U.S. census.| Race / Ethnicity | Pop 2020 | 2020 |
| White alone | 352 | 90.26% |
| Black or African American alone | 0 | 0.00% |
| Native American or Alaska Native alone | 0 | 0.00% |
| Asian alone | 0 | 0.00% |
| Native Hawaiian or Pacific Islander alone | 0 | 0.00% |
| Other race alone | 0 | 0.00% |
| Mixed race or Multiracial | 14 | 3.59% |
| Hispanic or Latino | 24 | 6.15% |
| Total | 390 | 100.00% |
As of the 2020 United States census, the population was 390.