| Official Name: | Newtown, South Carolina |
| Settlement Type: | Census-designated place |
| Pushpin Map: | South Carolina#USA |
| Pushpin Label: | Newtown |
| Coordinates: | 34.4028°N -79.3564°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | South Carolina |
| Subdivision Type2: | County |
| Subdivision Name2: | Dillon |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 0.52 |
| Area Land Sq Mi: | 0.52 |
| Area Water Sq Mi: | 0.00 |
| Area Total Km2: | 1.35 |
| Area Land Km2: | 1.35 |
| Area Water Km2: | 0.00 |
| Population As Of: | 2020 |
| Population Density Km2: | 571.37 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 113 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 29536 (Dillon) |
| Area Code: | 843/854 |
| Blank Name: | FIPS code |
| Blank Info: | 45-50020 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2812950 |
| Population Total: | 770 |
| Unit Pref: | Imperial |
| Population Density Sq Mi: | 1480.77 |
Newtown is an unincorporated community and census-designated place (CDP) in Dillon County, South Carolina, United States. It was first listed as a CDP prior to the 2020 census which listed a population of 770.[2]
The CDP is in central Dillon County, on the south side of Dillon, the county seat. Development is continuous between the two communities.
South Carolina Highway 57 passes through Newtown, leading north into Dillon and southeast 10miles to Fork.
| White alone (NH) | 7 | 0.91% | |
| Black or African American alone (NH) | 736 | 95.58% | |
| Native American or Alaska Native alone (NH) | 2 | 0.26% | |
| Asian alone (NH) | 0 | 0.00% | |
| Pacific Islander alone (NH) | 0 | 0.00% | |
| Some Other Race alone (NH) | 0 | 0.00% | |
| Mixed Race/Multi-Racial (NH) | 20 | 2.60% | |
| Hispanic or Latino (any race) | 5 | 0.65% | |
| Total | 770 | 100.00% |