Butler County, KY ZIP codes
There are 7 ZIP codes in Butler County, KY, in 7 towns, from 42201 to 42288. The largest are 42261 (Morgantown), 42275 (Roundhill) and 42273 (Rochester). 1 more crosses into it from a neighbouring county: 42256.
The county seat is Morgantown.
- ZIP codes
- 7
- Partly in it
- 1 more
- Towns
- 7
- County seat
- Morgantown
- County FIPS
21031- State
- Kentucky
- Population
- 12,393
- Median household income
- $56,092
- Land area
- 426 sq mi
- Metro area
- Bowling Green
Butler County ZIP codes by town
- Morgantown (county seat)
- 42261
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
ZIP codes partly in Butler County
This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Butler County.
- 42256 Lewisburg · mostly in Logan County
Map of Butler County ZIP codes
The ZIP codes of Butler County, 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.
Butler County in numbers
About 12,393 people live in Butler County, in 4,567 households, the 89th most populous of Kentucky's 120 counties. The median household income is $56,092 a year, 12% below the Kentucky median of $63,726 (US: $80,734). The median owner-occupied home is valued at $111,100 (46% below the Kentucky median), and median gross rent is $679 a month. The median age is 41.5; 9.9% of adults 25 and over hold a bachelor's degree or higher (27.6% across Kentucky); the average commute takes 27 minutes.
| Population | 12,393 |
|---|---|
| Households | 4,567 |
| Median age | 41.5 |
| Median household income | $56,092 |
| Median home value | $111,100 |
| Median gross rent | $679 |
| Bachelor's degree or higher | 9.9% |
| Mean commute | 27.2 min |
| Population density | 29 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Butler County
| Town | ZIP codes | Population |
|---|---|---|
| Morgantown | 1 | 2,479 |
| Roundhill | 1 | 855 |
| Rochester | 1 | 155 |
| Woodbury | 1 | 84 |
| Jetson | 1 | 53 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Butler County.
- Warren County (10)
- Muhlenberg County (13)
- Logan County (5)
- Grayson County (5)
- Ohio County (12)
- Todd County (6)
- Edmonson County (6)
Not sure you are in Butler County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Butler County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
42201 | Aberdeen , KY | No street area | — | — | — |
42219 | Dunbar , KY | No street area | — | — | — |
42252 | Jetson , KY | Standard | 53 | — | — |
42261 | Morgantown , KY | Standard | 9,641 | $52,953 | $112,900 |
42273 | Rochester , KY | Standard | 519 | $59,745 | — |
42275 | Roundhill , KY | Standard | 855 | $45,391 | $180,700 |
42288 | Woodbury , KY | No street area | — | — | — |
Cite this page
zipcodes.pro. “Butler County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ky/county/butler
Underlying data is public domain or openly licensed — sources, vintages and licences.