Cost of living in Duncan, SC

Duncan is a Census town in Spartanburg County, SC. ACS 2024 5-year population is 4,310. Median gross rent is $1,032 (ACS 2024 5-year, this place). Median home value is $211,400. Median household income is $52,500. Insurance is the NAIC state average; food is a USDA plan — no town indexes.