ZIP code · Louisville · Kentucky · United States
ZIP code 40243 — Louisville
ZIP code 40243 serves Louisville, Kentucky.
- Postal code
- 40243Single source Value from one source, not cross-checked.
- City
- Louisville
- County
- Jefferson FIPS 21111
- State
- Kentucky
- Country
- United States
- Coordinates
- 38.2422, -85.5353 — precision precise (locality)
View on OpenStreetMap - Population
- 12,049 (ZCTA, ACS 5-year)
- Population density
- 2,933 / sq mi
- Land area
- 4.1 sq mi (10.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $75,859
- Per-capita income
- $48,760
- Median age
- 47.8
- Households
- 5,708
- Housing units
- 6,151
- Median home value
- $297,900
- Median gross rent
- $1,260 / month
- Congressional district
- KY-3 (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/Kentucky/Louisville (UTC−5 / UTC−4 DST)
- Area code
- 502Telephone 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 40243 with another ZIP · ZIPs within 25 miles · distance from 40243
Map of ZIP code 40243
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 27°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 43 | 48 | 57 | 69 | 77 | 85 | 88 | 87 | 81 | 69 | 57 | 46 |
| Avg low °F | 27 | 30 | 38 | 48 | 57 | 66 | 69 | 68 | 60 | 48 | 38 | 31 |
| Precip in | 3.3 | 3.3 | 4.4 | 4.7 | 5.2 | 4.7 | 4.6 | 3.5 | 3.6 | 3.6 | 3.4 | 3.9 |
NOAA 1991–2020 climate normals from the nearest station: LOUISVILLE BOWMAN FLD (7.0 mi) · NOAA NCEI
Places in ZIP 40243
- 7 schools
- 1 hospitals & clinics
- 2 doctors & dentists
- 1 pharmacies
- 2 supermarkets
- 49 restaurants & cafés
- 12 parks
- 9 playgrounds
- 6 gyms & sports centres
- 1 libraries
- 1 post offices
- 4 places of worship
- 9 banks
- 2 gas stations
- 2 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