ZIP code · Somerset · Kentucky · United States
ZIP code 42503 — Somerset
ZIP code 42503 serves Somerset, Kentucky.
- Postal code
- 42503Single source Value from one source, not cross-checked.
- City
- Somerset
- County
- Pulaski FIPS 21199
- State
- Kentucky
- Country
- United States
- Coordinates
- 37.1566, -84.5248 — precision precise (locality)
View on OpenStreetMap - Population
- 25,638 (ZCTA, ACS 5-year)
- Population density
- 198 / sq mi
- Land area
- 129.5 sq mi (335.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $53,377
- Per-capita income
- $31,765
- Median age
- 41.6
- Households
- 10,359
- Housing units
- 11,588
- Median home value
- $198,500
- Median gross rent
- $873 / month
- Congressional district
- KY-5 (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/New_York (UTC−5 / UTC−4 DST)
- Area code
- 606Telephone 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 42503 with another ZIP · ZIPs within 25 miles · distance from 42503
Map of ZIP code 42503
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 29°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 45 | 50 | 59 | 70 | 77 | 84 | 87 | 86 | 81 | 71 | 59 | 49 |
| Avg low °F | 29 | 32 | 39 | 48 | 57 | 65 | 69 | 67 | 60 | 48 | 38 | 33 |
| Precip in | 4.3 | 3.9 | 5.1 | 4.9 | 5.2 | 5.0 | 5.3 | 3.9 | 3.7 | 3.2 | 3.8 | 4.9 |
NOAA 1991–2020 climate normals from the nearest station: SOMERSET 2 N (5.8 mi) · NOAA NCEI
Places in ZIP 42503
- 12 schools
- 2 colleges & universities
- 1 hospitals & clinics
- 2 pharmacies
- 5 supermarkets
- 21 restaurants & cafés
- 8 parks
- 6 playgrounds
- 1 gyms & sports centres
- 1 libraries
- 1 post offices
- 35 places of worship
- 3 banks
- 8 gas stations
- 1 police & fire 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