Boyle County, Kentucky ZIP codes
6 ZIP codes are in Boyle County, plus 1 that cross in from neighboring counties. It's part of the Danville, KY micro area.
- ZIP codes
- 6
- Population in these ZIPs
- 31,398
- Avg. median income
- $59,700population-weighted
- Cities & towns
- 5
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Boyle County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 40422 | Danville | 25,950 | $59,615 | $250,200 |
| 40423 PO Box | Danville | — | — | — |
| 40440 | Junction City | 2,428 | $54,500 | $189,300 |
| 40452 PO Box | Mitchellsburg | — | — | — |
| 40464 | Parksville | 936 | $66,932 | $192,800 |
| 40468 | Perryville | 2,084 | $64,081 | $222,800 |
ZIP codes partly in Boyle County
These ZIP codes are mostly in a neighboring county but cover part of Boyle County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 40328 | Gravel Switch | Marion County | 963 | $44,770 | $232,500 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Boyle County
Nearby counties
Frequently asked questions
How many ZIP codes are in Boyle County, Kentucky?
6 ZIP codes are mainly in Boyle County, and 1 more ZIP codes from neighboring areas reach partly into it.
What cities are in Boyle County?
ZIP codes in Boyle County use the city names Danville, Junction City, Mitchellsburg, Parksville and Perryville.
What metro area is Boyle County in?
Boyle County is part of the Danville, KY micropolitan statistical area.