Duncan, South Carolina

Duncan, South Carolina
Main Street (SC 290)
Location of Duncan, South Carolina
Coordinates: 34°55′48″N 82°07′40″W / 34.93000°N 82.12778°W / 34.93000; -82.12778
CountryUnited States
StateSouth Carolina
CountySpartanburg
Area
 • Total
5.52 sq mi (14.29 km2)
 • Land5.42 sq mi (14.03 km2)
 • Water0.10 sq mi (0.27 km2)
Elevation
853 ft (260 m)
Population
 (2020)
 • Total
4,041
 • Density746.2/sq mi (288.12/km2)
Time zoneUTC-5 (Eastern (EST))
 • Summer (DST)UTC-4 (EDT)
ZIP codes
29334, 29390, 29391
Area codes864, 821
FIPS code45-21265
GNIS feature ID2406404
Websitetownofduncansc.com

Duncan is a town in Spartanburg County, South Carolina, United States. As of the 2020 census, Duncan had a population of 4,041.