Cromwell ZIP code, Kentucky
The ZIP code for Cromwell, KY is 42333, and its area codes are 270 and 364.
- USPS city name
- 1 ZIP code
- Population
- 644
- County
- Ohio County
- State
- Kentucky
NANPA lists no telephone rate centre for Cromwell itself, so these are the area codes of the nearest one, Beaver Dam (6.8 miles). A town on an area-code boundary can differ from its neighbour.
Cromwell in numbers
About 644 people live in Cromwell, in 273 households. The median household income is $33,969 a year, 47% below the Kentucky median of $63,726 (US: $80,734). The median owner-occupied home is valued at $85,000 (59% below the Kentucky median).
| Population | 644 |
|---|---|
| Households | 273 |
| Median household income | $33,969 |
| Median home value | $85,000 |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Cromwell. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Cromwell
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
42333 | Cromwell , KY | Standard | 644 | $33,969 | $85,000 |
Map of Cromwell ZIP codes
The ZIP codes of Cromwell, KY, 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 Cromwell
The nearest larger towns are Beaver Dam (3,524 people, 6.5 mi), Hartford (2,649 people, 8.7 mi) and Morgantown (2,479 people, 12 mi).
| Town | Population | Distance |
|---|---|---|
| Beaver Dam | 3,524 | 6.5 mi |
| Hartford | 2,649 | 8.7 mi |
| Central City | 5,707 | 21.2 mi |
| Masonville | 2,887 | 25.9 mi |
| Greenville | 4,410 | 25.9 mi |
| Leitchfield | 6,819 | 27.0 mi |
More nearby: every ZIP code in Ohio County · Kentucky ZIP codes
Cite this page
zipcodes.pro. “Cromwell, KY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ky/cromwell
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