There are 18 zip codes in Richland County, South Carolina. The most populated is 29223, located in Columbia. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
2922351,354Columbia
2922949,097Columbia
2920341,205Columbia
2921040,923Columbia
2906338,754Irmo
2920936,979Columbia
2901629,154Blythewood
2920122,938Columbia
2920522,861Columbia
2920618,746Columbia
2920418,034Columbia
2906112,569Hopkins
292079,963Columbia
290444,208Eastover
290522,479Gadsden
292082,281Columbia
29225401Columbia
29177176White Rock
showing: 18 rows

Zip Codes in Richland County, South Carolina by Population (2024)