Duncan town, South Carolina
Official LSAD Designation: Duncan town • Census GEOID: 4521265
• Spartanburg County
Duncan town is an incorporated town in Spartanburg County, South Carolina. According to official records from the Census (2025), Duncan town had an estimated population of 4,675 residents. Official Census Bureau geographic records classify this community under LSAD designation Duncan town (GEOID 4521265).
Local Government Administration U.S. Census Bureau GMAF
Town Of Duncan
Municipal
Official Title:
Chief Of Police
Address:
PO BOX 188, DUNCAN SC 29334-0188
County Of Spartanburg
County
Official Title:
Deputy County Administrator
Address:
PO BOX 5666, SPARTANBURG SC 29303
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 4,675 | 2025 |
| Median Household Income | $52,500 | 2020-2024 |
| Median Home Value | $211,400 | 2020-2024 |
| Land Area | 7.54 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).