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Richland County, South Carolina
Richland County occupies the central Midlands region of South Carolina along the Congaree River, anchored by Columbia, the state capital and home to the University of South Carolina. State government, USC, and Fort Jackson, the Army's largest basic training post, anchor the economy, and growth concentrates in Blythewood and along the I-77 corridor north of Columbia.
Open the live Richland County map →
Richland County at a glance
- 435,000Population (2025)
- ColumbiaCounty seat
- 757 sq miLand area
- 575 / sq miDensity
- $64,000Median household income
- $245,000Median home value
What the live Richland County map shows
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- City Boundaries: 7
- School Boundaries: 3
- Congressional Districts: 4
- Opportunity Zones: 16
- Soils: 95
- State House Districts: 17
- State Senate Districts: 8
- Zip Codes: 35
Cities and towns in Richland County
Arcadia Lakes, Blythewood, Cayce, Columbia, Eastover, Forest Acres, Irmo.
Neighboring counties
- Lexington County, SC · map
- Calhoun County, SC · map
- Fairfield County, SC · map
- Kershaw County, SC · map
- Sumter County, SC · map
- Newberry County, SC · map