| ZIP Codes: | 16 ZIP Codes (12 Standard, 3 PO Box, 1 Unique) [See All] |
| Area Codes: | 803 / 821 / 839 / 864 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:41 PM |
| Population: | 294,233 [See All] |
| FIPS: | 45091 |
| CBSA: | Charlotte-Concord-Gastonia, NC-SC |
| Land Area: | 710 sq mi |
| Water Area: | 16 sq mi |
| Coordinates: | 34.9666, -81.1319 |
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294,233 residents live across 16 ZIPs covering 710 sq mi, served by 10 distinct USPS-recognized cities.
Population moved from 235,473 to 294,233 from 2014 to 2024 — a +25.0% change. 10 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 29708 (Fort Mill, $132,018 median) and poorest ZIP 29742 (Sharon, $52,775) are 24.3 miles apart — a 2.5× income gap across local geography.
Median home values vary 3.1× across this county — from $168,400 in 29717 (Hickory Grove) to $515,200 in 29708 (Fort Mill).
Density varies 68× across the county — from 31 people/sq mi in 29742 (Sharon) to 2,127 in 29708 (Fort Mill).
Most of the decade's growth concentrated around Fort Mill — top growth ZIPs averaged +71.5% over the past ten years ( 29743 , 29715 and 29708 ).
Educational attainment ranges from 9.6% bachelor's+ in 29742 (Sharon) to 61.7% in 29708 (Fort Mill) — the breadth of educational profiles across the area.
Within South Carolina, this is the #7 most populous of 46 counties and ranks #3 for median household income with the #4 fastest decade growth .
On the national stage, York County is and #98 for decade growth .
Hosts 1 single-entity Unique ZIP: 29733Winthrop University .
Weighted by population, the typical household earns about $93,110 across the county — reflecting what a typical resident sees, not a simple ZIP average.
39.2% of adults age 25+ hold a bachelor's degree or higher (78,844 of 201,017 reporting). The most-educated ZIPs cluster around Fort Mill.
12 Standard delivery, 3 PO Box only, 1 single-entity Unique ZIPs serve this county.
2 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
York County grew 25.0% over the past decade — concentrated in 5 high-growth ZIPs:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 29730 | Rock Hill | Standard | 58,199 | $68,543 | 120.7 | 9.9% |
| 29732 | Rock Hill | Standard | 57,675 | $84,937 | 55.2 | 6.8% |
| 29715 | Fort Mill | Standard | 46,865 | $109,689 | 35.6 | 79.1% |
| 29708 | Fort Mill | Standard | 43,515 | $132,018 | 20.5 | 55.8% |
| 29710 | Clover | Standard | 40,595 | $96,563 | 117.9 | 28.4% |
| 29745 | York | Standard | 34,909 | $79,117 | 136.6 | 15.2% |
| 29704 | Catawba | Standard | 3,060 | $74,303 | 27.5 | -29.6% |
| 29742 | Sharon | Standard | 2,492 | $52,775 | 79.4 | 7.4% |
| 29726 | Mc Connells | Standard | 1,985 | $88,750 | 40.6 | 4.9% |
| 29743 | Smyrna | Standard | 1,826 | $86,064 | 35.5 | 79.5% |
| 29717 | Hickory Grove | Standard | 1,644 | $68,235 | 40.2 | 54.4% |
| 29733 | Rock Hill | Unique | 1,468 | — | 0.0 | -19.6% |
| 29734 | Rock Hill | Standard | — | — | 0.0 | — |
| 29731 | Rock Hill | PO Box | — | — | 0.0 | — |
| 29716 | Fort Mill | PO Box | — | — | 0.0 | — |
| 29703 | Bowling Green | PO Box | — | — | 0.0 | — |