| Sweetwater, New Jersey | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | USA New Jersey Atlantic County#USA New Jersey#USA |
| Pushpin Label: | Sweetwater |
| Pushpin Map Caption: | Location in Atlantic County##Location in New Jersey##Location in the United States |
| Pushpin Relief: | yes |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Atlantic |
| Subdivision Type3: | Township |
| Subdivision Name3: | Mullica |
| Elevation M: | 2 |
| Elevation Ft: | 7 |
| Coordinates: | 39.6211°N -74.6381°W |
| Postal Code Type: | ZIP Code |
| Postal Code: | 08037 |
| Blank Name: | FIPS code |
| Blank Info: | [1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0881058 |
| Unit Pref: | Imperial |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 805 |
| Area Footnotes: | [3] |
| Area Total Km2: | 9.69 |
| Area Total Sq Mi: | 3.74 |
| Area Land Km2: | 9.23 |
| Area Water Km2: | 0.46 |
| Area Land Sq Mi: | 3.56 |
| Area Water Sq Mi: | 0.18 |
| Population Density Sq Mi: | 225.81 |
| Population Density Km2: | 87.18 |
Sweetwater is an unincorporated community and census-designated place (CDP)[4] located within Mullica Township in Atlantic County, in the U.S. state of New Jersey.[5] The community is situated on the Mullica River about from Atlantic City.