| ZIP Codes: | 8 ZIP Codes (4 Standard, 4 PO Box, 0 Unique) [See All] |
| Area Codes: | 220 / 326 / 740 / 937 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:21 PM |
| Population: | 24,168 [See All] |
| FIPS: | 39131 |
| Land Area: | 342 sq mi |
| Water Area: | 3 sq mi |
| Coordinates: | 39.0626, -83.0670 |
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24,168 residents live across 8 ZIPs covering 342 sq mi, served by 8 distinct USPS-recognized cities.
Population moved from 25,389 to 24,168 from 2014 to 2024 — a -4.8% change. 0 ZIPs gained residents, 4 lost (and 2 held flat).
The county's wealthiest ZIP 45690 (Waverly, $54,333 median) and poorest ZIP 45613 (Beaver, $30,703) are 14.0 miles apart — a 1.8× income gap across local geography.
Median home values vary 1.1× across this county — from $155,100 in 45661 (Piketon) to $166,000 in 45690 (Waverly).
Density varies 11× across the county — from 9 people/sq mi in 45646 (Latham) to 98 in 45690 (Waverly).
Educational attainment ranges from 12.0% bachelor's+ in 45613 (Beaver) to 19.9% in 45690 (Waverly) — the breadth of educational profiles across the area.
Within Ohio, this is the #78 most populous of 88 counties and ranks #87 for median household income .
Weighted by population, the typical household earns about $50,677 across the county — reflecting what a typical resident sees, not a simple ZIP average.
17.2% of adults age 25+ hold a bachelor's degree or higher (2,849 of 16,593 reporting).
4 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 |
|---|---|---|---|---|---|---|
| 45690 | Waverly | Standard | 13,988 | $54,333 | 142.9 | -0.9% |
| 45661 | Piketon | Standard | 6,823 | $52,633 | 104.5 | -2.8% |
| 45613 | Beaver | Standard | 3,228 | $30,703 | 79.9 | -19.3% |
| 45646 | Latham | Standard | 129 | — | 14.8 | -49.8% |
| 45624 | Cynthiana | PO Box | 0 | — | 0.0 | — |
| 45642 | Jasper | PO Box | 0 | — | 0.0 | — |
| 45687 | Wakefield | PO Box | — | — | 0.0 | — |
| 45683 | Stockdale | PO Box | — | — | 0.0 | — |