***If you are having difficulties with this site and are using Internet Explorer 10 or later, please ensure that the site is added to the compatibility view list. Microsoft provides instructions for doing this here.***. Henderson County Home.
Homefacts City Report. Duncan is located in Spartanburg County, SC. The population is 3,173, making Duncan the 8th largest city in Spartanburg County. There are 7 public schools in Duncan with an average Homefacts rating of B+. The total crime rate for Duncan is low, and there are 17 registered sex offenders residing in the city.
Did you know? Clinch County, the 94th county formed in Georgia, was created from portions of Ware and Lowndes counties in 1850. The county was named for General Duncan Clinch, who served in the War of 1812, defeated the Seminole Indian Chief Osceola in Florida, and later served in the U.S. Congress.