Cynthiana ZIP code, Ohio
The ZIP code for Cynthiana, OH is 45624.
- USPS city name
- 1 ZIP code
- Overlapping the city
- 1 more
- Population
- 126
- County
- Pike County
- State
- Ohio
Mail addressed to Cynthiana uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.
ZIP codes addressed as Cynthiana
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
45624 | Cynthiana , OH | Standard | 0 | — | — |
Other ZIP codes overlapping Cynthiana
These ZIP codes cover part of Cynthiana but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
45612 | Bainbridge , OH | Standard | 4,933 | $53,500 | $147,300 |
Map of Cynthiana ZIP codes
The ZIP codes of Cynthiana, OH, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Cynthiana
The nearest larger towns are Bainbridge (617 people, 5.6 mi), Highland Holiday (976 people, 6.5 mi) and Sinking Spring (319 people, 7.1 mi).
| Town | Population | Distance |
|---|---|---|
| Greenfield | 3,966 | 12.6 mi |
| Hillsboro | 6,527 | 14.3 mi |
| Waverly | 4,127 | 19.8 mi |
| Chillicothe | 21,902 | 22.1 mi |
| Washington Court House | 14,439 | 25.5 mi |
| Sabina | 2,734 | 26.8 mi |
| West Union | 2,899 | 28.4 mi |
More nearby: every ZIP code in Pike County · Ohio ZIP codes
Cite this page
zipcodes.pro. “Cynthiana, OH ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/oh/cynthiana
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