ZIP code · Mammoth Cave · Kentucky · United States
ZIP code 42259 — Mammoth Cave
ZIP code 42259 serves Mammoth Cave, Kentucky.
- Postal code
- 42259Single source Value from one source, not cross-checked.
- City
- Mammoth Cave
- County
- Edmonson FIPS 21061
- State
- Kentucky
- Country
- United States
- Coordinates
- 37.2802, -86.1688 — precision precise (locality)
View on OpenStreetMap - Population
- 1,111 (ZCTA, ACS 5-year)
- Population density
- 15 / sq mi
- Land area
- 72.8 sq mi (188.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $37,391
- Per-capita income
- $27,966
- Median age
- 61.1
- Households
- 458
- Housing units
- 1,115
- Median home value
- $167,300
- Median gross rent
- $879 / month
- Congressional district
- KY-2 (119th Congress)
- USDA hardiness zone
- 7a (0 to 5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
Tools: compare 42259 with another ZIP · ZIPs within 25 miles · distance from 42259
Map of ZIP code 42259
Climate — monthly normals
Warmest month Jul (avg high 86°F), coldest Jan (avg low 27°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 44 | 49 | 58 | 69 | 76 | 82 | 86 | 85 | 80 | 70 | 57 | 47 |
| Avg low °F | 27 | 31 | 38 | 48 | 57 | 64 | 67 | 66 | 60 | 49 | 39 | 32 |
| Precip in | 4.1 | 4.6 | 5.0 | 5.2 | 5.5 | 4.6 | 4.5 | 3.1 | 3.7 | 4.2 | 4.0 | 4.7 |
NOAA 1991–2020 climate normals from the nearest station: BOWLING GREEN 21 NNE (4.0 mi) · NOAA NCEI
Places in ZIP 42259
- 1 schools
- 3 restaurants & cafés
- 1 parks
- 1 post offices
- 7 places of worship
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page