Barnwell County
- Population
- 20,521
- Area
- 0.55 sq mi (1.42 km²), 0.01 sq mi water
- Median age
- 40.4
- Households
- 8,116
- Persons per household
- 2.5
- Median household income
- $46,626
- Median house value
- $106,000
Demographics: 2020–2024 ACS
Tonight
72°F
Mostly Clear14% precip
Monday
94°F
Mostly Sunny3% precip
Monday Night
70°F
Partly Cloudy4% precip
Tuesday
94°F
Mostly Sunny then Slight Chance Showers And Thunderstorms18% precip