Mammoth Cave, KY ZIP code
The ZIP code for Mammoth Cave, Kentucky is 42259. It is in Edmonson County.
- Population in these ZIPs
- 1,090
- Avg. median income
- $33,600population-weighted
- Typical home value
- $114,600population-weighted
- Metro area
- Bowling Green, KY
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Mammoth Cave, KY ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 42259 | 1,090 | $33,566 | $114,600 |
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 near Mammoth Cave
- Cub Run 6 mi
- Bee Spring 7 mi
- Sweeden 8 mi
- Brownsville 8 mi
- Park City 9 mi
- Rocky Hill 10 mi
- Clarkson 13 mi
- Smiths Grove 13 mi
- Munfordville 14 mi
- Cave City 15 mi
- Roundhill 16 mi
- Horse Cave 16 mi
Frequently asked questions
What is the ZIP code for Mammoth Cave, KY?
The ZIP code for Mammoth Cave, KY is 42259.
What county is Mammoth Cave, Kentucky in?
Mammoth Cave ZIP codes are in Edmonson County.