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Where am ILOCATED

Richland County, South Carolina

Richland County, South Carolina, has 434,956 residents (July 2025 estimate). Its county seat is Columbia. It uses Eastern Time and covers 757 sq mi (1,961 km²) of land.

CharlestonNorth Charleston
Richland County in South Carolina
Lexington CountyColumbiaSt. AndrewsWest ColumbiaCayce
Richland County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
434,956
Land area
757 sq mi (1,961 km²)
County seat or government
Columbia
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$63,784 ± $1,530
Median home value
$242,800 ± $4,791
Median rent, with utilities
$1,228 ± $21
Homes lived in by their owners
60.3% ± 0.9 points
County type
County
Metro or micro area
Columbia, SC metro areaCentral county
Water area
14.7 sq mi (38 km²)
State
South Carolina
County code (FIPS)
45079
Coordinates (central point)
34.029095, -80.898037
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Richland County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 2922353,074 people
  2. 2922951,861 people
  3. 2920340,653 people
  4. 2921039,962 people
  5. 2906338,201 people
  6. 2920938,041 people
  7. 2904531,372 people
  8. 2901630,454 people
  9. 2921227,657 people
  10. 2903626,620 people
  11. 2920124,605 people
  12. 2920522,223 people
All 26
  1. 2916921,647 people
  2. 2920619,759 people
  3. 2920418,159 people
  4. 2907816,283 people
  5. 2906112,538 people
  6. 2918011,730 people
  7. 292078,012 people
  8. 291306,252 people
  9. 290444,799 people
  10. 290752,848 people
  11. 292082,445 people
  12. 290522,199 people
  13. 29225443 people
  14. 29177177 people

26 ZIP Code areas overlap Richland County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Richland County, largest first

  1. Richland School District 1203,161 people
  2. Richland School District 2157,395 people
  3. Lexington School District 5103,759 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Columbia, South Carolina (city)139,643 people
  2. St. Andrews, South Carolina (CDP)19,868 people
  3. West Columbia, South Carolina (city)17,963 people
  4. Dentsville, South Carolina (CDP)15,209 people
  5. Cayce, South Carolina (city)13,741 people
  6. Irmo, South Carolina (town)11,813 people
  7. Forest Acres, South Carolina (city)10,530 people
  8. Woodfield, South Carolina (CDP)9,465 people
  9. Lake Murray of Richland, South Carolina (CDP)7,023 people
  10. Blythewood, South Carolina (town)5,731 people
  11. Capitol View, South Carolina (CDP)4,374 people
  12. Arthurtown, South Carolina (CDP)3,272 people
All 17
  1. Hopkins, South Carolina (CDP)1,985 people
  2. Gadsden, South Carolina (CDP)1,443 people
  3. Olympia, South Carolina (CDP)935 people
  4. Arcadia Lakes, South Carolina (town)901 people
  5. Eastover, South Carolina (town)485 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Lexington County, South Carolina23 mi southwest
  2. Calhoun County, South Carolina25 mi south
  3. Kershaw County, South Carolina28 mi northeast
  4. Fairfield County, South Carolina29 mi northwest
  5. Sumter County, South Carolina31 mi east
  6. Newberry County, South Carolina44 mi northwest

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.