| ZIP Codes: | 8 ZIP Codes (6 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 803 / 839 / 843 / 854 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:40 PM |
| Population: | 78,506 [See All] |
| FIPS: | 45055 |
| CBSA: | Columbia, SC |
| Land Area: | 668 sq mi |
| Water Area: | 12 sq mi |
| Coordinates: | 34.3277, -80.6268 |
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78,506 residents live across 8 ZIPs covering 668 sq mi, served by 7 distinct USPS-recognized cities.
Population moved from 67,991 to 78,506 from 2014 to 2024 — a +15.5% change. 5 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 29045 (Elgin, $87,366 median) and poorest ZIP 29009 (Bethune, $57,857) are 30.3 miles apart — a 1.5× income gap across local geography.
Median home values vary 2.7× across this county — from $97,800 in 29009 (Bethune) to $266,400 in 29045 (Elgin).
Density varies 21× across the county — from 22 people/sq mi in 29009 (Bethune) to 461 in 29045 (Elgin).
Educational attainment ranges from 8.2% bachelor's+ in 29032 (Cassatt) to 33.2% in 29045 (Elgin) — the breadth of educational profiles across the area.
Within South Carolina, this is the #19 most populous of 46 counties and ranks #11 for median household income with the #9 fastest decade growth .
Weighted by population, the typical household earns about $73,818 across the county — reflecting what a typical resident sees, not a simple ZIP average.
27.5% of adults age 25+ hold a bachelor's degree or higher (15,025 of 54,600 reporting).
6 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 29045 | Elgin | Standard | 31,372 | $87,366 | 68.0 | 44.0% |
| 29020 | Camden | Standard | 23,266 | $64,648 | 231.8 | 4.2% |
| 29078 | Lugoff | Standard | 16,283 | $67,727 | 126.6 | 0.8% |
| 29032 | Cassatt | Standard | 4,687 | $58,168 | 88.5 | 1.4% |
| 29009 | Bethune | Standard | 2,451 | $57,857 | 110.7 | -1.2% |
| 29175 | Westville | Standard | 235 | $73,801 | 7.6 | -54.4% |
| 29074 | Liberty Hill | PO Box | 212 | — | 34.9 | 87.6% |
| 29021 | Camden | PO Box | — | — | 0.0 | — |