| ZIP Codes: | 5 ZIP Codes (4 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Codes: | 803 / 839 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:38 PM |
| Population: | 7,768 [See All] |
| FIPS: | 45005 |
| Land Area: | 430 sq mi |
| Water Area: | 3 sq mi |
| Coordinates: | 33.0222, -81.3257 |
| Quick Link: |
7,768 residents live across 5 ZIPs covering 430 sq mi, served by 5 distinct USPS-recognized cities.
Population moved from 10,200 to 7,768 from 2014 to 2024 — a -23.8% change. 1 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 29849 (Ulmer, $89,583 median) and poorest ZIP 29810 (Allendale, $26,835) are 10.2 miles apart — a 3.3× income gap across local geography.
Median home values vary 2.4× across this county — from $66,600 in 29827 (Fairfax) to $161,100 in 29849 (Ulmer).
Density varies 15× across the county — from 2 people/sq mi in 29836 (Martin) to 33 in 29810 (Allendale).
Educational attainment ranges from 7.1% bachelor's+ in 29827 (Fairfax) to 35.2% in 29849 (Ulmer) — the breadth of educational profiles across the area.
Within South Carolina, this is the #46 most populous of 46 counties and ranks #30 for median household income .
Weighted by population, the typical household earns about $35,513 across the county — reflecting what a typical resident sees, not a simple ZIP average.
14.0% of adults age 25+ hold a bachelor's degree or higher (802 of 5,722 reporting).
4 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.