| ZIP Codes: | 4 ZIP Codes (3 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Codes: | 821 / 864 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:39 PM |
| Population: | 51,180 [See All] |
| FIPS: | 45021 |
| CBSA: | Gaffney, SC |
| Land Area: | 358 sq mi |
| Water Area: | 4 sq mi |
| Coordinates: | 35.0638, -81.6121 |
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51,180 residents live across 4 ZIPs covering 358 sq mi, served by 2 distinct USPS-recognized cities.
Population moved from 50,305 to 51,180 from 2014 to 2024 — a +1.7% change. 2 ZIPs gained residents, 1 lost.
The county's wealthiest ZIP 29341 (Gaffney, $58,029 median) and poorest ZIP 29340 (Gaffney, $44,123) are 10.5 miles apart — a 1.3× income gap across local geography.
Median home values vary 1.7× across this county — from $108,800 in 29340 (Gaffney) to $188,900 in 29341 (Gaffney).
Density varies 2× across the county — from 99 people/sq mi in 29702 (Blacksburg) to 219 in 29341 (Gaffney).
Educational attainment ranges from 11.2% bachelor's+ in 29340 (Gaffney) to 26.9% in 29341 (Gaffney) — the breadth of educational profiles across the area.
Within South Carolina, this is the #24 most populous of 46 counties and ranks #33 for median household income .
Weighted by population, the typical household earns about $50,799 across the county — reflecting what a typical resident sees, not a simple ZIP average.
18.3% of adults age 25+ hold a bachelor's degree or higher (6,327 of 34,626 reporting). The most-educated ZIPs cluster around Gaffney.
3 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.