| ZIP Codes: | 10 ZIP Codes (9 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Codes: | 220 / 740 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:20 PM |
| Population: | 56,680 [See All] |
| FIPS: | 39087 |
| CBSA: | Huntington-Ashland, WV-KY-OH |
| Land Area: | 446 sq mi |
| Water Area: | 4 sq mi |
| Coordinates: | 38.5708, -82.5115 |
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56,680 residents live across 10 ZIPs covering 446 sq mi, served by 10 distinct USPS-recognized cities.
Population moved from 61,960 to 56,680 from 2014 to 2024 — a -8.5% change. 0 ZIPs gained residents, 9 lost.
The county's wealthiest ZIP 45669 (Proctorville, $67,500 median) and poorest ZIP 45638 (Ironton, $52,728) are 19.9 miles apart — a 1.3× income gap across local geography.
Median home values vary 2.3× across this county — from $84,000 in 45678 (Scottown) to $189,200 in 45669 (Proctorville).
Density varies 15× across the county — from 22 people/sq mi in 45678 (Scottown) to 337 in 45680 (South Point).
Educational attainment ranges from 10.1% bachelor's+ in 45678 (Scottown) to 24.2% in 45659 (Pedro) — the breadth of educational profiles across the area.
Within Ohio, this is the #45 most populous of 88 counties and ranks #72 for median household income .
Weighted by population, the typical household earns about $57,707 across the county — reflecting what a typical resident sees, not a simple ZIP average.
18.2% of adults age 25+ hold a bachelor's degree or higher (7,340 of 40,274 reporting).
9 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 45638 | Ironton | Standard | 19,982 | $52,728 | 79.6 | -8.1% |
| 45680 | South Point | Standard | 11,548 | $54,523 | 34.3 | -8.1% |
| 45669 | Proctorville | Standard | 10,243 | $67,500 | 36.1 | -0.2% |
| 45619 | Chesapeake | Standard | 7,409 | $58,453 | 33.3 | -8.1% |
| 45645 | Kitts Hill | Standard | 2,801 | $64,632 | 46.6 | -13.9% |
| 45659 | Pedro | Standard | 2,614 | $59,844 | 97.2 | -9.7% |
| 45678 | Scottown | Standard | 1,034 | $62,992 | 46.2 | -9.5% |
| 45696 | Willow Wood | Standard | 839 | — | 34.5 | -39.6% |
| 45688 | Waterloo | Standard | 210 | — | 37.9 | -67.6% |
| 45675 | Rock Camp | PO Box | — | — | 0.0 | — |