Barnwell County, South Carolina
Barnwell County, South Carolina · ZIP 29812, 29817, 29826
- Census data · ACS 2019-2023
- 20,495 (2024 estimate)Population
- 8,107Households
- $41,800Median household income
- $97,200Median home value
- 7Towns with a page
- 7ZIP codes
Barnwell County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 23,478 |
| 2010 | 22,621 |
| 2020 | 20,589 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county level, state 45, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 45, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 45, retrieved November 14, 2026.
Median household income $41,800 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 45, retrieved November 14, 2026.
- Owner occupied
- 5,758 units
- Renter occupied
- 2,349 units
- Vacancy rate
- 18.1%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county level, state 45, retrieved November 14, 2026.
3,904 employees in 353 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.
Source: County Business Patterns 2023: employment by sector, county level, state 45, retrieved November 14, 2026.
| Measure | Barnwell County | South Carolina |
|---|---|---|
| Population | 20,565 | 5,212,774 |
| Median household income | $41,800 | $66,818 |
| Median age | 40.7 | 40.1 |
| Median home value | $97,200 | $236,700 |
| Bachelor’s degree or higher | 12.8% | 31.5% |
| Foreign-born residents | 2.4% | 5.6% |
| Owner-occupied homes | 71.0% | 71.4% |
| Mean commute to work | 27.5 minutes | 25.6 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 45, retrieved November 14, 2026.
Townships, towns and villages in Barnwell County7 with a page · sort by any column
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 45 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.
County officialsFrom public records
No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.
Across Barnwell County
No job is posted in Barnwell County’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.
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Neighboring counties
Neighboring counties
- Aiken CountyPopulation 179,245 (2024 estimate)
- Allendale CountyPopulation 7,551 (2024 estimate)
- Bamberg CountyPopulation 12,870 (2024 estimate)
- Burke CountyPopulation 24,472 (2024 estimate)
- Orangeburg CountyPopulation 83,129 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 45, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 13, retrieved November 14, 2026.