Inman is a city in Spartanburg County, South Carolina, United States, part of the Spartanburg metropolitan area. With a population of 3,665 at t…Inman is a city in Spartanburg County, South Carolina, United States, part of the Spartanburg metropolitan area. With a population of 3,665 at the 2020 census, Inman residents have access to nearby Lake Bowen that affords water recreational sports and fishing, and Inman is accessible by Interstate 26 and Interstate 85. The city contains a historic main street district, several houses of worship, and a school district.