Demographics & People — Barnwell, South Carolina
Population Overview
| Population (Census) | 4,616 |
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| Estimated 2026 | ~4,600 |
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| Median Age | 36.4 |
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| Total Households | 1,760 |
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| Family Households | 934 |
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| Average Household Size | 2.5 |
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| Diversity Index | 0.5308 (moderately diverse) |
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Race & Ethnicity
| White | 2,112 |
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| Black or African American | 2,210 |
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| Asian | 80 |
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| Hispanic or Latino | 63 |
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Heritage & Ancestry
| Group | Count |
|---|
| Other groups | 1,899 |
| Unclassified or not reported | 1,280 |
| American | 944 |
| West Indian (except Hispanic groups) | 164 |
| Jamaican | 164 |
| English | 144 |
| Subsaharan African | 93 |
| Scottish | 67 |
| German | 58 |
| African | 51 |
Language
| English Only | 4,159 |
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| Spanish | 26 |
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| Population 5+ | 4,425 |
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Veterans
| Veterans | 128 |
|---|
| Population 18+ | 3,409 |
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Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Barnwell, South Carolina.
