| ZIP Codes: | 10 ZIP Codes (6 Standard, 4 PO Box, 0 Unique) [See All] |
| Area Codes: | 326 / 937 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:18 PM |
| Population: | 36,387 [See All] |
| FIPS: | 39021 |
| CBSA: | Urbana, OH |
| Land Area: | 394 sq mi |
| Water Area: | 1 sq mi |
| Coordinates: | 40.1413, -83.7427 |
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36,387 residents live across 10 ZIPs covering 394 sq mi, served by 10 distinct USPS-recognized cities.
Population moved from 37,663 to 36,369 from 2014 to 2024 — a -3.4% change. 4 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 43009 (Cable, $102,841 median) and poorest ZIP 43060 (North Lewisburg, $62,014) are 5.5 miles apart — a 1.7× income gap across local geography.
Median home values vary 2.0× across this county — from $128,100 in 45389 (Christiansburg) to $258,300 in 43009 (Cable).
Density varies 69× across the county — from 47 people/sq mi in 43084 (Woodstock) to 3,234 in 45389 (Christiansburg).
Educational attainment ranges from 9.5% bachelor's+ in 43072 (Saint Paris) to 22.1% in 43078 (Urbana) — the breadth of educational profiles across the area.
Within Ohio, this is the #66 most populous of 88 counties and ranks #30 for median household income .
Weighted by population, the typical household earns about $75,448 across the county — reflecting what a typical resident sees, not a simple ZIP average.
18.7% of adults age 25+ hold a bachelor's degree or higher (4,850 of 25,889 reporting).
6 Standard delivery, 4 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 43078 | Urbana | Standard | 19,695 | $73,816 | 152.4 | -5.0% |
| 43072 | Saint Paris | Standard | 5,253 | $76,375 | 78.0 | -7.7% |
| 43044 | Mechanicsburg | Standard | 4,964 | $76,397 | 82.0 | -5.0% |
| 43060 | North Lewisburg | Standard | 2,359 | $62,014 | 26.7 | -5.1% |
| 43009 | Cable | Standard | 2,229 | $102,841 | 33.8 | 9.5% |
| 43084 | Woodstock | Standard | 991 | $78,008 | 21.1 | 13.6% |
| 45389 | Christiansburg | PO Box | 708 | $62,250 | 0.2 | 41.6% |
| 43070 | Rosewood | PO Box | 170 | — | 0.1 | 42.9% |
| 43047 | Mingo | PO Box | 18 | — | 0.0 | — |
| 43083 | Westville | PO Box | — | — | 0.0 | — |