Barnwell County, South Carolina
Barnwell County profile, demographic data, and geographic information.
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
COUNTY OF BARNWELL
GUS Population: 20,495 (2024)
ID: 187443
|
County | Official County Government |
Contact: CHAIRMAN
57 WALL ST, RM 126, BARNWELL SC 29812-1670
|
|
GUS Population: 4,589 (2024)
ID: 112859
|
Municipal | Municipal Government Within County |
Contact: CLERK & TREASURER
PO BOX 776, BARNWELL SC 29812-0776
|
|
GUS Population: 2,879 (2024)
ID: 174884
|
Municipal | Municipal Government Within County |
Contact: TOWN CLERK
PO BOX 414, WILLISTON SC 29853-0414
|
|
GUS Population: 1,906 (2024)
ID: 174882
|
Municipal | Municipal Government Within County |
Contact: CLERK/TREASURER
5983 LARTIGUE ST N, BLACKVILLE SC 29817-1368
|
|
CITY OF HILDA
GUS Population: 421 (2024)
ID: 174883
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 157, HILDA SC 29813
|
|
TOWN OF SNELLING
GUS Population: 253 (2024)
ID: 134428
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 681, BARNWELL SC 29812-0681
|
|
TOWN OF KLINE
GUS Population: 142 (2024)
ID: 194038
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 962, BARNWELL SC 29812-0962
|
|
TOWN OF ELKO
GUS Population: 140 (2024)
ID: 134427
|
Municipal | Municipal Government Within County |
Contact: MAYOR
PO BOX 170, ELKO SC 29826-0170
|