Census place · GEOID 2151978 · Jefferson County
Middletown, KY ZIP codes
4 ZIP/ZCTAs intersecting this Census place in Jefferson County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Middletown (GEOID 2151978). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 116,298 (4 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Middletown, KY

ZIP/ZCTA overlap with Middletown
Population overlap
Share of each ZIP/ZCTA’s population located within Middletown, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Middletown
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 40223 | Louisville | Jefferson County | 23,264 | $97,033 |
| 40243 | Louisville | Jefferson County | 12,049 | $75,859 |
| 40245 | Louisville | Jefferson County | 39,261 | $120,171 |
| 40299 | Louisville | Jefferson County | 41,724 | $85,419 |
USPS associates these ZIPs with Middletown
These codes list Middletown as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 40253 | Louisville | Jefferson County | 380 | — |