| ZIP Codes: | 13 ZIP Codes (10 Standard, 3 PO Box, 0 Unique) [See All] |
| Area Codes: | 821 / 864 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:54:59 PM |
| Population: | 80,896 [See All] |
| FIPS: | 45073 |
| CBSA: | Seneca, SC |
| Land Area: | 681 sq mi |
| Water Area: | 54 sq mi |
| Coordinates: | 34.7435, -83.0382 |
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80,896 residents live across 13 ZIPs covering 681 sq mi, served by 11 distinct USPS-recognized cities.
Population moved from 74,871 to 80,896 from 2014 to 2024 — a +8.0% change. 9 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 29676 (Salem, $92,798 median) and poorest ZIP 29665 (Newry, $45,407) are 14.4 miles apart — a 2.0× income gap across local geography.
Median home values vary 2.9× across this county — from $167,900 in 29693 (Westminster) to $482,100 in 29672 (Seneca).
Density varies 18× across the county — from 15 people/sq mi in 29664 (Mountain Rest) to 274 in 29678 (Seneca).
Educational attainment ranges from 16.9% bachelor's+ in 29693 (Westminster) to 50.4% in 29676 (Salem) — the breadth of educational profiles across the area.
Within South Carolina, this is the #18 most populous of 46 counties and ranks #14 for median household income with the #14 fastest decade growth .
Weighted by population, the typical household earns about $64,156 across the county — reflecting what a typical resident sees, not a simple ZIP average.
28.9% of adults age 25+ hold a bachelor's degree or higher (17,114 of 59,259 reporting).
10 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 29678 | Seneca | Standard | 23,767 | $52,550 | 86.7 | 8.4% |
| 29693 | Westminster | Standard | 15,114 | $54,503 | 175.0 | 7.1% |
| 29672 | Seneca | Standard | 12,750 | $90,650 | 51.7 | 4.0% |
| 29691 | Walhalla | Standard | 12,084 | $49,639 | 62.5 | 10.5% |
| 29676 | Salem | Standard | 6,016 | $92,798 | 87.5 | 16.7% |
| 29696 | West Union | Standard | 5,154 | $78,468 | 23.7 | 18.1% |
| 29643 | Fair Play | Standard | 2,751 | $80,517 | 38.1 | 3.8% |
| 29664 | Mountain Rest | Standard | 1,553 | $51,705 | 104.1 | -25.7% |
| 29686 | Tamassee | Standard | 989 | $58,313 | 30.4 | -6.7% |
| 29665 | Newry | PO Box | 412 | $45,407 | 0.0 | 724.0% |
| 29658 | Long Creek | Standard | 306 | $67,750 | 21.6 | 16.8% |
| 29675 | Richland | PO Box | — | — | 0.0 | — |
| 29679 | Seneca | PO Box | — | — | 0.0 | — |