ZIP code · Owensboro · Kentucky · United States
ZIP code 42303 — Owensboro
ZIP code 42303 serves Owensboro, Kentucky.
- Postal code
- 42303Single source Value from one source, not cross-checked.
- City
- Owensboro
- County
- Daviess FIPS 21059
- State
- Kentucky
- Country
- United States
- Coordinates
- 37.7559, -87.0803 — precision precise (locality)
View on OpenStreetMap - Population
- 42,038 (ZCTA, ACS 5-year)
- Population density
- 861 / sq mi
- Land area
- 48.8 sq mi (126.5 km²) (ZCTA, ACS 5-year)
- Median household income
- $63,010
- Per-capita income
- $37,526
- Median age
- 39.6
- Households
- 17,013
- Housing units
- 18,055
- Median home value
- $183,400
- Median gross rent
- $941 / 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 42303 with another ZIP · ZIPs within 25 miles · distance from 42303
Map of ZIP code 42303
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 26°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 43 | 47 | 57 | 68 | 77 | 84 | 87 | 87 | 82 | 70 | 57 | 46 |
| Avg low °F | 26 | 30 | 37 | 47 | 57 | 65 | 68 | 67 | 59 | 47 | 36 | 31 |
| Precip in | 3.3 | 3.6 | 4.4 | 4.5 | 4.6 | 4.1 | 4.2 | 2.9 | 3.1 | 3.3 | 3.4 | 4.3 |
NOAA 1991–2020 climate normals from the nearest station: CALHOUN LOCK 2 (18.5 mi) · NOAA NCEI
Places in ZIP 42303
- 17 schools
- 3 colleges & universities
- 10 hospitals & clinics
- 2 doctors & dentists
- 3 pharmacies
- 7 supermarkets
- 67 restaurants & cafés
- 16 parks
- 9 playgrounds
- 2 gyms & sports centres
- 1 post offices
- 26 places of worship
- 12 banks
- 19 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