ZIP code · Dunmor · Kentucky · United States
ZIP code 42339 — Dunmor
ZIP code 42339 serves Dunmor, Kentucky.
- Postal code
- 42339Single source Value from one source, not cross-checked.
- City
- Dunmor
- County
- Muhlenberg FIPS 21177
- State
- Kentucky
- Country
- United States
- Coordinates
- 37.0840, -87.0079 — precision precise (locality)
View on OpenStreetMap - Population
- 878 (ZCTA, ACS 5-year)
- Population density
- 24 / sq mi
- Land area
- 36.4 sq mi (94.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $50,179
- Per-capita income
- $28,455
- Median age
- 43.5
- Households
- 351
- Housing units
- 438
- Median home value
- $114,400
- Median gross rent
- $535 / 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)
- Area code
- 270Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 42339 with another ZIP · ZIPs within 25 miles · distance from 42339
Map of ZIP code 42339
Climate — monthly normals
Warmest month Jul (avg high 89°F), coldest Jan (avg low 24°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 44 | 48 | 58 | 69 | 78 | 86 | 89 | 88 | 82 | 71 | 58 | 48 |
| Avg low °F | 24 | 26 | 34 | 43 | 53 | 61 | 65 | 63 | 56 | 43 | 34 | 27 |
| Precip in | 3.4 | 4.0 | 4.2 | 5.1 | 5.1 | 4.7 | 4.7 | 3.9 | 3.6 | 4.1 | 3.8 | 4.5 |
NOAA 1991–2020 climate normals from the nearest station: ROCHESTER FERRY (11.1 mi) · NOAA NCEI
Places in ZIP 42339
- 2 schools
- 1 post offices
- 3 places of worship
- 1 gas stations
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