Written and Fact-checked by Whereig Editors | Updated On: May 05, 2026 | 14:50 ET
The U.S. state of South Carolina is divided into 46 Counties. Explore the South Carolina County Map, all Counties list along with their County Seats in alphabetical order and their population, areas and the date of formation.
South Carolina County Map
About South Carolina County Map: The map showing the county boundary, all counties boundary, state capital and neighbouring states.
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About Counties of South Carolina
U.S State of South Carolina is positioned in the south-eastern part of the country. South Carolina is fortieth rank in its size and geographical area. The state covered 30061 square miles that accounts for 77857 square kilometres. The estimated population of the state is 5.2 million and ranks as twenty third populous state in United States. South Carolina shares the borders with North Carolina in north, Atlantic Ocean in the southeast, Georgia in the southwest. South Carolina is one of the thirteen original states. Columbia is the capital city of the state. Columbia is located in the centre of the state. The important cities of South Caroline are Charleston, Mount Pleasant and North Charleston and many more. In fact Charleston city has the highest population with 150,227.
The political power of the state is shared with counties for the ease administration. Counties in South Carolina are 46 in number. The biggest county by area is Horry County which occupies 1,133 square miles of the state geographical arena. The smallest county in the state is McCormick County. The highest populated Counties in South Carolina are Greenville County with 525,534 inhabitants, Richland County with 416,147 and Charleston County with 408,235. They are four different types of government exists in the state of South Carolina. They are counties, cities or towns, school districts and special purpose governments. Like all most of the states of United States of America even Counties in South Carolina have similar form of the government. There is a dual purpose of the local government. The first purpose is that of administrative and providing services to the citizens. The second purpose is to help citizens of the country to fulfil the needs.
The U.S. state of South Carolina has 46 Counties. This is list of South Carolina Counties and County Seats in alphabetical order along with check their population, areas and the date of formation.
List of Counties in South Carolina with County Seats
| S.N | County | County Seat | Population | Area | Formed |
|---|---|---|---|---|---|
| 1 | Abbeville County | Abbeville | 24,295 | 511 sq mi | 1785 |
| 2 | Aiken County | Aiken | 168,808 | 1,080 sq mi | 1871 |
| 3 | Allendale County | Allendale | 8,039 | 413 sq mi | 1919 |
| 4 | Anderson County | Anderson | 203,718 | 757 sq mi | 1826 |
| 5 | Bamberg County | Bamberg | 13,311 | 395 sq mi | 1897 |
| 6 | Barnwell County | Barnwell | 20,589 | 557 sq mi | 1798 |
| 7 | Beaufort County | Beaufort | 187,117 | 576 sq mi | 1769 |
| 8 | Berkeley County | Moncks Corner | 229,861 | 1,228 sq mi | 1882 |
| 9 | Calhoun County | St. Matthews | 14,119 | 392 sq mi | 1908 |
| 10 | Charleston County | Charleston | 408,235 | 916 sq mi | 1769 |
| 11 | Cherokee County | Gaffney | 56,216 | 397 sq mi | 1897 |
| 12 | Chester County | Chester | 32,294 | 586 sq mi | 1785 |
| 13 | Chesterfield County | Chesterfield | 43,273 | 806 sq mi | 1798 |
| 14 | Clarendon County | Manning | 31,144 | 696 sq mi | 1855 |
| 15 | Colleton County | Walterboro | 38,604 | 1,133 sq mi | 1800 |
| 16 | Darlington County | Darlington | 62,656 | 567 sq mi | 1785 |
| 17 | Dillon County | Dillon | 28,292 | 407 sq mi | 1910 |
| 18 | Dorchester County | St. George | 161,540 | 577 sq mi | 1868 |
| 19 | Edgefield County | Edgefield | 26,500 | 507 sq mi | 1785 |
| 20 | Fairfield County | Winnsboro | 20,948 | 710 sq mi | 1785 |
| 21 | Florence County | Florence | 136,885 | 804 sq mi | 1888 |
| 22 | Georgetown County | Georgetown | 60,158 | 814 sq mi | 1769 |
| 23 | Greenville County | Greenville | 525,534 | 795 sq mi | 1786 |
| 24 | Greenwood County | Greenwood | 69,661 | 463 sq mi | 1897 |
| 25 | Hampton County | Hampton | 18,561 | 562 sq mi | 1878 |
| 26 | Horry County | Conway | 351,029 | 1,255 sq mi | 1801 |
| 27 | Jasper County | Ridgeland | 28,791 | 699 sq mi | 1912 |
| 28 | Kershaw County | Camden | 65,403 | 740 sq mi | 1791 |
| 29 | Lancaster County | Lancaster | 96,016 | 555 sq mi | 1785 |
| 30 | Laurens County | Laurens | 67,539 | 715 sq mi | 1785 |
| 31 | Lee County | Bishopville | 16,531 | 410 sq mi | 1902 |
| 32 | Lexington County | Lexington | 293,991 | 758 sq mi | 1785 |
| 33 | McCormick County | McCormick | 9,526 | 359 sq mi | 1916 |
| 34 | Marion County | Marion | 30,163 | 494 sq mi | 1785 |
| 35 | Marlboro County | Bennettsville | 26,667 | 485 sq mi | 1785 |
| 36 | Newberry County | Newberry | 38,508 | 647 sq mi | 1785 |
| 37 | Oconee County | Walhalla | 78,607 | 674 sq mi | 1868 |
| 38 | Orangeburg County | Orangeburg | 84,223 | 1,128 sq mi | 1769 |
| 39 | Pickens County | Pickens | 131,404 | 512 sq mi | 1826 |
| 40 | Richland County | Columbia | 416,147 | 772 sq mi | 1785 |
| 41 | Saluda County | Saluda | 19,875 | 461 sq mi | 1895 |
| 42 | Spartanburg County | Spartanburg | 327,997 | 808 sq mi | 1785 |
| 43 | Sumter County | Sumter | 106,721 | 682 sq mi | 1785 |
| 44 | Union County | Union | 27,244 | 514 sq mi | 1785 |
| 45 | Williamsburg County | Kingstree | 30,368 | 937 sq mi | 1804 |
| 46 | York County | York | 282,090 | 681 sq mi | 1785 |
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References
- County Population Totals (2020–2025), U.S. Census Bureau
- South Carolina Census Profile, U.S. Census Bureau
- QuickFacts: South Carolina, U.S. Census Bureau
- South Carolina Population Data, Revenue and Fiscal Affairs Office
- South Carolina Geographic Information (GIS) Data
- County Adjacency and Geographic Data, U.S. Census Bureau
