# List of counties in South Carolina

The U.S. state of South Carolina is made up of 46 counties, the maximum allowable by state law. They range in size from 392 square miles (1,015 square kilometers) in the case of Calhoun County to 1,358 square miles (3,517 square kilometers) in the case of Charleston County. The least populous county is Allendale County, with only 7,551 residents, while the most populous county is Greenville County, with a population of 570,745, despite the state's most populous city, Charleston, being located in Charleston County.

## History

In the colonial period, the land around the coast was divided into parishes corresponding to the parishes of the Church of England. There were also several counties that had judicial and electoral functions. As people settled the backcountry, judicial districts and additional counties were formed. This structure continued and grew after the Revolutionary War. In 1800, all counties were renamed as districts. In 1868, the districts were converted back to counties. The South Carolina Department of Archives and History has maps that show the boundaries of counties, districts, and parishes starting in 1682.
Historically, county government in South Carolina has been fairly weak. The 1895 Constitution made no provision for local government, effectively reducing counties to creatures of the state. Each county's delegation to the General Assembly, comprising one senator and at least one representative, also doubled as its county council. Under this system, the state senator from each county wielded the most power. From the eighteenth century to 1973, counties in South Carolina performed limited functions such as the provision of law enforcement and the construction of transportation infrastructure.
In 1964, the United States Supreme Court case Reynolds v. Sims required reapportionment according to the principle of "one man, one vote", which resulted in legislative districts crossing county lines. However, it was not until 1973 that the constitution was amended to provide for limited home rule at the county level. This was finally enacted in 1975 with the Home Rule Act, which provided for elected councils in each county. Further, in 1989, all counties were given the authority to exercise broad police powers. Thus, they may enact regulations and ordinances related to the provision or preservation of security, health, peace, and order, so long as the regulation is not inconsistent with state law. Nonetheless, all counties and municipalities in South Carolina lack “fiscal home rule,” meaning they may only enact taxes authorized by the General Assembly.
County ordinances become applicable within municipal boundaries when the municipality and the county make a formal agreement, and the municipality formally adopts the ordinance. Unincorporated areas are governed by the county's land use plans.

## County abbreviations

| County Name | Abbreviation | County Name | Abbreviation |
| Abbeville | AB | Greenwood | GN |
| Aiken | AK | Hampton | HA |
| Allendale | AL | Horry | HR |
| Anderson | AN | Jasper | JA |
| Bamberg | BA | Kershaw | KE |
| Barnwell | BR | Lancaster | LA |
| Beaufort | BU | Laurens | LU |
| Berkeley | BK | Lee | LE |
| Calhoun | CL | Lexington | LX |
| Charleston | CH | Marion | MA |
| Cherokee | CK | Marlboro | ML |
| Chester | CS | McCormick | MC |
| Chesterfield | CT | Newberry | NB |
| Clarendon | CR | Oconee | OC |
| Colleton | CN | Orangeburg | OR |
| Darlington | DA | Pickens | PN |
| Dillon | DN | Richland | RD |
| Dorchester | DR | Saluda | SA |
| Edgefield | ED | Spartanburg | SP |
| Fairfield | FA | Sumter | SU |
| Florence | FL | Union | UN |
| Georgetown | GE | Williamsburg | WG |
| Greenville | GVL | York | YK |

## Alphabetical list

| County | FIPS code | County seat | Est. | Origin | Etymology | Population (2024) | Area |
| Abbeville County | 001 | Abbeville | 1785 | Ninety-Six District | Abbeville, France | 24,607 | 512 sq mi (1,326 km$^2$) |
| Aiken County | 003 | Aiken | 1871 | Barnwell County, Edgefield County, Lexington County, and Orangeburg County | William Aiken, founder of the South Carolina Canal and Railroad Company | 179,245 | 1,080 sq mi (2,797 km$^2$) |
| Allendale County | 005 | Allendale | 1919 | Barnwell County and Hampton County | P.H. Allen, first postmaster of the new county | 7,551 | 412 sq mi (1,067 km$^2$) |
| Anderson County | 007 | Anderson | 1826 | Pendleton District | Robert Anderson, American Revolutionary War general and Southern surveyor | 217,183 | 756 sq mi (1,958 km$^2$) |
| Bamberg County | 009 | Bamberg | 1897 | Barnwell County | Francis Marion Bamberg (1838–1905), Confederate general in the American Civil War | 12,870 | 396 sq mi (1,026 km$^2$) |
| Barnwell County | 011 | Barnwell | 1798 | Orangeburg County | John Barnwell, South Carolina State Senator and prisoner of war during the American Revolution | 20,495 | 557 sq mi (1,443 km$^2$) |
| Beaufort County | 013 | Beaufort | 1769 | 1769 Judicial District | Henry Somerset, 1st Duke of Beaufort, colonial proprietary landowner | 201,775 | 923 sq mi (2,391 km$^2$) |
| Berkeley County | 015 | Moncks Corner | 1882 | Charleston County | William Berkeley, colonial proprietary governor and landowner | 264,276 | 1,234 sq mi (3,196 km$^2$) |
| Calhoun County | 017 | St. Matthews | 1908 | Lexington County and Orangeburg County | John C. Calhoun, U.S. senator from South Carolina | 14,249 | 392 sq mi (1,015 km$^2$) |
| Charleston County | 019 | Charleston | 1769 | 1769 Judicial District | King Charles II of England | 431,001 | 1,358 sq mi (3,517 km$^2$) |
| Cherokee County | 021 | Gaffney | 1897 | Spartanburg County, Union County, and York County | Cherokee Native Americans | 57,770 | 397 sq mi (1,028 km$^2$) |
| Chester County | 023 | Chester | 1785 | Camden District | Chester, Pennsylvania | 32,323 | 586 sq mi (1,518 km$^2$) |
| Chesterfield County | 025 | Chesterfield | 1798 | Cheraws District | Philip Dormer Stanhope, 4th Earl of Chesterfield, an Enlightenment-era scholar, government official, and member of the British House of Lords | 44,488 | 806 sq mi (2,088 km$^2$) |
| Clarendon County | 027 | Manning | 1855 | Sumter County | Edward Hyde, 1st Earl of Clarendon, colonial proprietary landowner | 31,030 | 696 sq mi (1,803 km$^2$) |
| Colleton County | 029 | Walterboro | 1800 | Charleston County | John Colleton, colonial proprietary landowner | 39,259 | 1,133 sq mi (2,934 km$^2$) |
| Darlington County | 031 | Darlington | 1785 | Cheraws District | Unknown; possibly Darlington, England | 62,425 | 566 sq mi (1,466 km$^2$) |
| Dillon County | 033 | Dillon | 1910 | Marion County | James William "J.W." Dillon (1826-1913), founder of the Wilson Short Cut Railroad | 27,577 | 407 sq mi (1,054 km$^2$) |
| Dorchester County | 035 | St. George | 1897 | Berkeley County and Colleton County | Dorchester, Massachusetts | 174,663 | 571 sq mi (1,479 km$^2$) |
| Edgefield County | 037 | Edgefield | 1785 | Ninety-Six District | Disputed; either its location on the edge of the state or Edgefield, Norfolk, England | 29,455 | 507 sq mi (1,313 km$^2$) |
| Fairfield County | 039 | Winnsboro | 1785 | Camden District | The county's fair fields, as described by colonial Governor Charles Cornwallis | 20,369 | 710 sq mi (1,839 km$^2$) |
| Florence County | 041 | Florence | 1888 | Clarendon County, Darlington County, Marion County, and Williamsburg County | Florence Harllee (1848-1927), daughter of Wilmington and Manchester Railroad founder W.W. Harllee | 138,049 | 804 sq mi (2,082 km$^2$) |
| Georgetown County | 043 | Georgetown | 1769 | 1769 Judicial District | George III of the United Kingdom | 66,035 | 1,035 sq mi (2,681 km$^2$) |
| Greenville County | 045 | Greenville | 1786 | Washington District | Nathanael Greene, Revolutionary War general | 570,745 | 796 sq mi (2,062 km$^2$) |
| Greenwood County | 047 | Greenwood | 1897 | Abbeville County and Edgefield County | Greenwood Plantation, the home of John McGee, the county's largest landowner | 70,041 | 464 sq mi (1,202 km$^2$) |
| Hampton County | 049 | Hampton | 1878 | Beaufort County | Wade Hampton III, lieutenant general and cavalry leader in the Confederate States Army and later governor of South Carolina and U.S. senator | 18,172 | 563 sq mi (1,458 km$^2$) |
| Horry County | 051 | Conway | 1801 | Georgetown County | Peter Horry, Revolutionary War general | 413,391 | 1,255 sq mi (3,250 km$^2$) |
| Jasper County | 053 | Ridgeland | 1912 | Beaufort County and Hampton County | William Jasper, Revolutionary War sergeant | 35,618 | 702 sq mi (1,818 km$^2$) |
| Kershaw County | 055 | Camden | 1798 | Claremont County, Fairfield County, Lancaster County, and Richland | Joseph Kershaw, one of the county's pioneering settlers | 71,698 | 740 sq mi (1,917 km$^2$) |
| Lancaster County | 057 | Lancaster | 1798 | Camden District | Lancaster, England, and the House of Lancaster | 111,652 | 555 sq mi (1,437 km$^2$) |
| Laurens County | 059 | Laurens | 1785 | Ninety-Six District | Henry Laurens, president of the Second Continental Congress and prisoner of war during the American Revolution | 70,545 | 724 sq mi (1,875 km$^2$) |
| Lee County | 061 | Bishopville | 1902 | Darlington County, Kershaw County, and Sumter County | Robert E. Lee, Confederate general during the Civil War | 15,958 | 411 sq mi (1,064 km$^2$) |
| Lexington County | 063 | Lexington | 1804 | Orangeburg County | Battle of Lexington, opening skirmish of the Revolutionary War | 313,774 | 758 sq mi (1,963 km$^2$) |
| Marion County | 067 | Marion | 1800 | Georgetown County | Francis Marion, Revolutionary War general | 28,368 | 494 sq mi (1,279 km$^2$) |
| Marlboro County | 069 | Bennettsville | 1785 | Cheraws District | John Churchill, 1st Duke of Marlborough, English general, diplomat, and confidant of monarchs | 25,498 | 486 sq mi (1,259 km$^2$) |
| McCormick County | 065 | McCormick | 1914 | Abbeville County, Edgefield County, and Greenwood County | Cyrus McCormick, inventor of the mechanical reaper and founder of International Harvester | 9,983 | 394 sq mi (1,020 km$^2$) |
| Newberry County | 071 | Newberry | 1785 | Ninety-Six District | Disputed; possibly Newbury, Berkshire, England, or from early settlers' notion that the landscape was as "pretty as a new berry" | 39,203 | 647 sq mi (1,676 km$^2$) |
| Oconee County | 073 | Walhalla | 1868 | Pickens County | Oconee Native Americans | 82,475 | 674 sq mi (1,746 km$^2$) |
| Orangeburg County | 075 | Orangeburg | 1769 | 1769 Judicial District | Prince William V of Orange | 83,129 | 1,128 sq mi (2,922 km$^2$) |
| Pickens County | 077 | Pickens | 1826 | Pendleton District | Andrew Pickens, governor of South Carolina | 138,207 | 513 sq mi (1,329 km$^2$) |
| Richland County | 079 | Columbia | 1799 | Camden District | The county's rich soil | 430,651 | 772 sq mi (1,999 km$^2$) |
| Saluda County | 081 | Saluda | 1896 | Edgefield County | Saluda River | 19,452 | 462 sq mi (1,197 km$^2$) |
| Spartanburg County | 083 | Spartanburg | 1785 | Ninety-Six District | "Spartan Regiment" of the state militia, which was the key force for victory in the Revolutionary War Battle of Cowpens | 369,256 | 820 sq mi (2,124 km$^2$) |
| Sumter County | 085 | Sumter | 1798 | Claremont County, Clarendon County, and Salem County | Thomas Sumter, Revolutionary War general and U.S. senator from South Carolina | 104,776 | 682 sq mi (1,766 km$^2$) |
| Union County | 087 | Union | 1798 | Ninety-Six District | Union Church, the first Christian place of worship in the area | 26,678 | 515 sq mi (1,334 km$^2$) |
| Williamsburg County | 089 | Kingstree | 1802 | Georgetown District | King William III of England | 29,865 | 937 sq mi (2,427 km$^2$) |
| York County | 091 | York | 1798 | Camden District | York County, Pennsylvania | 303,001 | 696 sq mi (1,803 km$^2$) |

## Defunct parishes, counties and districts
### Parishes

Until the late 19th century, the South Carolina Lowcountry was divided into parishes which in turn were subdivided several "districts"; these civil parishes were based on and generally coincident (even well after disestablishment) with Anglican ecclesiastical parishes.
* St. Helena's Parish (Beaufort District)
* St. Luke's Parish (Beaufort District), created on May 23, 1767; located on Hilton Head Island and the adjacent mainland
* St. Peter's Parish (Beaufort District)
* Prince William Parish (Beaufort District)
* St. Andrew's Parish (Charleston District)
* St. Bartholomew's Parish (Charleston District)
* St. John's Colleton Parish (Charleston District)
* St. George's Dorchester Parish (Charleston District)
* St. Philip's & St. Michael's Parish (Charleston District)
* Christchurch Parish (Charleston District)
* St. James' Goose Creek Parish (Charleston District)
* St. Thomas' & St. Denis' Parish (Charleston District)
* St. John's Berkeley Parish (Charleston District)
* St. Stephen's Parish (Charleston District)
* St. James' Santee Parish (Charleston District)
* St. Paul's Parish (Charleston District)
* All Saints' Parish (Georgetown District)
* Prince George, Winyah, Parish (Georgetown District)
* Prince Frederick Parish (Georgetown District)
* St. David's Parish (Cheraw District)
* St. Mark's Parish (Cheraw District)
* St. Matthew's Parish (Orangeburgh District)

### Counties

* Carteret County
* Craven County
* Granville County
* Orange County
* Lewisburg County (1785–1791)
* Winton County, present-day Barnwell County
* Liberty County, present-day Marion County
* Winyah County, former name of Georgetown County
* Claremont County
* Salem County

### Districts

* Cheraw District, created in 1769
* Camden District, created in 1769
* Ninety-Six District, created in 1769
* Pinckney District (1791–1798)
* Washington District (1785–1798)
* Pendleton District, created in 1789 from Cherokee lands

## Proposed counties

* Birch County, proposed in 2013 (portions of Lexington and Richland counties)