There are 240 real estate agents found in Richland County, SC. There are 9 cities in Richland County which include Columbia , Blythewood , Irmo , Hopkins , and Eastover . There are 29 zip codes in Richland County which include 29229 , 29016 , 29223 , 29063 , and 29210 . View our Richland County real estate area information to learn about the weather, local school districts, demographic data, and general information about Richland County, SC. Get in touch with a Richland County real estate agent who can help you find the home of your dreams in Richland County. Use our mortgage calculator to see how much it would be to finance a home in Richland County. Not ready to buy yet? Find and compare apartments for rent in Richland County.