The Town Files

Barnwell County, South Carolina

20,521 people. The median home is worth $106,000 (typical South Carolina town: $183,100) and the median household earns $46,626.

Towns in Barnwell County

Towns in Barnwell County

TownPeopleMedian homeIncomeMedian age
Barnwell4,652$145,300$52,00636.4
Williston2,877$105,100$39,48440.4

People and housing

Barnwell CountyTypical South Carolina town
Median home value$106,000$183,100
Median rent$740$937
Median household income$46,626$53,875
Median age40.440.0
Bachelor's degree or higher13.9%20.0%
Below the poverty line25.0%17.8%

Jobs and pay

4,864 jobs in 2024, average pay $43,379 a year.

Largest industries in Barnwell CountyManufacturing970 jobs · $61,115Retail752 jobs · $27,827Health care & social assistan…511 jobs · $36,240Construction144 jobs · $66,834Other services142 jobs · $43,448Transportation & warehousing110 jobs · $60,168
BLS QCEW 2024.
Unemployment rate in Barnwell County0%4%8%12%16%2000200420082012201620202023 4.3%
BLS LAUS via USDA ERS, annual averages.

Storms since 1996

NOAA recorded 298 storm events in Barnwell County from 1996 to 2026.

Storm events in Barnwell County by type since 1996Hail61Flood3Tornado16High Wind6Ice Storm5Lightning6Heavy Rain2Flash Flood6Strong Wind6Winter Storm3
NOAA NCEI Storm Events Database.

Federal disaster declarations

Barnwell County has been included in 27 FEMA declarations since 1953.

DeclaredIncidentDeclaration
January 23, 2026Winter StormEM-3632: Severe Winter Storm
September 29, 2024HurricaneDR-4829: Hurricane Helene
September 29, 2024Tropical StormDR-4835: Tropical Storm Debby
September 26, 2024Tropical StormEM-3619: Hurricane Helene
August 5, 2024Tropical StormEM-3606: Hurricane Debby
August 31, 2023HurricaneEM-3597: Hurricane Idalia
Sources: U.S. Census Bureau ACS 2020–2024; BLS QCEW and LAUS; NOAA Storm Events; FEMA OpenFEMA (not endorsed by FEMA).