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About this map

Residents per square mile of land (water excluded). Under 50 is rural, a few hundred is small-town, 2,500+ is urban, and 10,000+ is big-city dense.

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024).

U.S.
95/sq mi
South Carolina
176/sq mi
Rankings
Full list

Top and bottom zip codes in South Carolina

Zip codes with 1,000+ residents

Most densely populated zip codes

See all
  1. 129424Charleston32,711/sq mi
  2. 229208Columbia17,847/sq mi
  3. 329409Charleston14,082/sq mi
  4. 429733Rock Hill11,469/sq mi
  5. 529614Greenville9,726/sq mi
  6. 629401Charleston6,084/sq mi
  7. 729634Clemson4,336/sq mi
  8. 829403Charleston4,174/sq mi
  9. 929613Greenville3,739/sq mi
  10. 1029205Columbia3,442/sq mi

Most sparsely populated zip codes

See all
  1. 129446Green Pond7/sq mi
  2. 229014Blackstock10/sq mi
  3. 329015Blair11/sq mi
  4. 429031Carlisle13/sq mi
  5. 529453Jamestown13/sq mi
  6. 629081Ehrhardt14/sq mi
  7. 729474Round O14/sq mi
  8. 829934Pineland15/sq mi
  9. 929664Mountain Rest16/sq mi
  10. 1029929Islandton16/sq mi

Population density by county in South Carolina

  1. 1Greenville County698/sq mi
  2. 2Richland County557/sq mi
  3. 3Charleston County458/sq mi
  4. 4Lexington County436/sq mi
  5. 5York County432/sq mi
  6. 6Spartanburg County430/sq mi
  7. 7Beaufort County339/sq mi
  8. 8Horry County338/sq mi
  9. 9Anderson County295/sq mi
  10. 10Dorchester County294/sq mi
  11. 11Pickens County271/sq mi
  12. 12Berkeley County224/sq mi
  13. 13Lancaster County190/sq mi
  14. 14Florence County171/sq mi
  15. 15Aiken County163/sq mi
  16. 16Sumter County158/sq mi
  17. 17Greenwood County153/sq mi
  18. 18Cherokee County144/sq mi
  19. 19Oconee County128/sq mi
  20. 20Darlington County112/sq mi
  21. 21Laurens County96/sq mi
  22. 22Kershaw County94/sq mi
  23. 23Georgetown County80/sq mi
  24. 24Orangeburg County75/sq mi
  25. 25Dillon County69/sq mi
  26. 26Newberry County61/sq mi
  27. 27Marion County59/sq mi
  28. 28Chester County55/sq mi
  29. 29Edgefield County55/sq mi
  30. 30Chesterfield County55/sq mi
  31. 31Marlboro County54/sq mi
  32. 32Union County52/sq mi
  33. 33Clarendon County51/sq mi
  34. 34Abbeville County50/sq mi
  35. 35Jasper County49/sq mi
  36. 36Saluda County42/sq mi
  37. 37Lee County39/sq mi
  38. 38Barnwell County37/sq mi
  39. 39Calhoun County37/sq mi
  40. 40Colleton County37/sq mi
  41. 41Bamberg County33/sq mi
  42. 42Hampton County33/sq mi
  43. 43Williamsburg County32/sq mi
  44. 44Fairfield County30/sq mi
  45. 45McCormick County27/sq mi
  46. 46Allendale County19/sq mi

Questions about this map

Which zip code has the highest population density in South Carolina?

Among zip codes with at least 1,000 residents, 29424 (Charleston, SC) has the highest: 32,711/sq mi.

Which zip code has the lowest population density in South Carolina?

29446 (Green Pond, SC) has the lowest: 7/sq mi.

What is the population density for the United States?

95/sq mi; in South Carolina it is 176/sq mi.

Where does this data come from?

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024). Residents per square mile of land (water excluded). Under 50 is rural, a few hundred is small-town, 2,500+ is urban, and 10,000+ is big-city dense.

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