Ranking of Barnwell, SC Cities and Places By population in 2020
Updated on June 27, 2025.
Based on the US Census Vintage data estimates, in 2020, among all Barnwell, SC cities and places, Balance of Barnwell County had the highest population (10.17K), followed by Barnwell city (4.65K), and Williston town (2.90K).
The chart below shows the top 8 cities and places, and the table below shows the ranking of all Barnwell cities and places.
You can see similar information for other South Carolina counties. You can also see the ranking of all cities and places in South Carolina.
Data Source: US Census Bureau (Vintage).
Ranking of Barnwell, SC Cities and Places By population in 2020
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| Rank | City or Place | Population |
|---|---|---|
| 1 | Balance of Barnwell County | 10166 |
| 2 | Barnwell city | 4650 |
| 3 | Williston town | 2895 |
| 4 | Blackville town | 1925 |
| 5 | Hilda town | 419 |
| 6 | Snelling town | 251 |
| 7 | Kline town | 145 |
| 8 | Elko town | 139 |