Richland County is a county located in the U.S. state of South Carolina. As of the 2020 census, its population was 416,147, making it the second-most populous county in South Carolina, behind only Greenville County. The county seat and largest community is Columbia, the state capital. The county was established on March 12, 1785. Richland County is part o…
Richland County is a county located in the U.S. state of South Carolina. As of the 2020 census, its population was 416,147, making it the second-most populous county in South Carolina, behind only Greenville County. The county seat and largest community is Columbia, the state capital. The county was established on March 12, 1785. Richland County is part of the Columbia, SC Metropolitan Statistical Area. In 2020, the center of population of South Carolina was located in Richland County, in the city of Columbia. The county is also the location of the geographic center of South Carolina, southeast of Columbia.