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County · South Carolina
Barnwell County
20,495Population
-0.5 %Change since 2020
46Net migration
5.8 %Unemployment rate
Facts
- Population
- 20,495 (2024)
- Change since 2020
- -0.5 %
- Net migration
- 46 (2023)
- Unemployment rate
- 5.8 % (2025)
- State
- South Carolina
- Population base, April 2020
- 20,592 (2020)
- Births
- 238 (2023)
- Births per 1,000 residents, 2023
- 11.6
- Deaths
- 299 (2023)
- Deaths per 1,000 residents, 2023
- 14.6
- Natural change, 2023
- -61
- International migration
- 46 (2023)
- Domestic migration
- 0 (2023)
- Net migration per 1,000, 2023
- 2.2
- Postal code
- SC
- FIPS code
- 45011
Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS
Unemployment rate, annual average
| Period | Value |
|---|---|
| 2025 | 5.8 % |
| 2024 | 5.5 % |
| 2023 | 3.9 % |
| 2022 | 4.2 % |
| 2021 | 5.8 % |
| 2020 | 6.7 % |
| 2019 | 3.9 % |
| 2018 | 4.4 % |
| 2017 | 5.5 % |
| 2016 | 6.8 % |
| 2015 | 8.9 % |
| 2014 | 9.5 % |
Population estimates, 2020–2024
| Period | Value |
|---|---|
| 2024 | 20,495 |
| 2023 | 20,448 |
| 2022 | 20,469 |
| 2021 | 20,604 |
| 2020 | 20,590 |