| ZIP Codes: | 11 ZIP Codes (8 Standard, 3 PO Box, 0 Unique) [See All] |
| Area Codes: | 283 / 326 / 513 / 937 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:18 PM |
| Population: | 39,292 [See All] |
| FIPS: | 39015 |
| CBSA: | Cincinnati, OH-KY-IN |
| Land Area: | 445 sq mi |
| Water Area: | 4 sq mi |
| Coordinates: | 38.8926, -83.8661 |
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39,292 residents live across 11 ZIPs covering 445 sq mi, served by 11 distinct USPS-recognized cities.
Population moved from 40,224 to 39,076 from 2014 to 2024 — a -2.9% change. 4 ZIPs gained residents, 6 lost.
The county's wealthiest ZIP 45119 (Feesburg, $125,260 median) and poorest ZIP 45101 (Aberdeen, $40,714) are 18.7 miles apart — a 3.1× income gap across local geography.
Median home values vary 2.5× across this county — from $104,200 in 45131 (Higginsport) to $255,800 in 45118 (Fayetteville).
Density varies 23× across the county — from 51 people/sq mi in 45167 (Ripley) to 1,178 in 45131 (Higginsport).
Educational attainment ranges from 4.8% bachelor's+ in 45131 (Higginsport) to 19.0% in 45171 (Sardinia) — the breadth of educational profiles across the area.
Within Ohio, this is the #61 most populous of 88 counties and ranks #39 for median household income .
Weighted by population, the typical household earns about $71,970 across the county — reflecting what a typical resident sees, not a simple ZIP average.
15.1% of adults age 25+ hold a bachelor's degree or higher (4,121 of 27,228 reporting).
8 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.
Median household income spans 3.1× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 45121 | Georgetown | Standard | 9,030 | $60,188 | 106.1 | -4.6% |
| 45154 | Mount Orab | Standard | 8,969 | $74,087 | 63.8 | -2.7% |
| 45171 | Sardinia | Standard | 5,752 | $73,838 | 80.6 | -9.6% |
| 45130 | Hamersville | Standard | 4,206 | $83,382 | 38.0 | 14.3% |
| 45118 | Fayetteville | Standard | 3,703 | $97,963 | 42.3 | 2.7% |
| 45167 | Ripley | Standard | 3,285 | $68,750 | 64.3 | -8.0% |
| 45101 | Aberdeen | Standard | 2,035 | $40,714 | 19.5 | -14.5% |
| 45168 | Russellville | Standard | 1,667 | $74,167 | 30.2 | 8.2% |
| 45131 | Higginsport | PO Box | 278 | $53,125 | 0.2 | -1.1% |
| 45119 | Feesburg | PO Box | 216 | $125,260 | 0.0 | — |
| 45115 | Decatur | PO Box | 151 | $49,844 | 0.0 | 23.8% |