Cost of living in James Island, SC

James Island is a Census town in its county, SC. ACS 2024 5-year population is 12,198. Median gross rent is $1,695 (ACS 2024 5-year, this place). Median home value is $508,600. Median household income is $104,217. Insurance is the NAIC state average; food is a USDA plan — no town indexes.