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City ZIP codes · Kentucky

Louisville, KY ZIP Codes

66 ZIP codes use the postal name Louisville, Kentucky (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 34 residential and 32 for PO boxes or a single organization. Median household income runs from $30,794 in 40203 to $122,948 in 40245, 4.0 times as much (Census Bureau, ACS 2020-2024). Louisville's most populous ZIP code is 40214, with 45,405 people (ACS 2020-2024); 39% of its land is in the city of Louisville.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Louisville's ZIP codes?

40202: $36k median household income40203: $31k median household income40204: $71k median household income40205: $100k median household income40206: $76k median household income40207: $102k median household income40208: $40k median household income40209: – median household income40210: $35k median household income40211: $32k median household income40212: $36k median household income40213: $56k median household income40214: $55k median household income40215: $44k median household income40216: $56k median household income40217: $69k median household income40218: $59k median household income40219: $56k median household income40220: $78k median household income40221: – median household income40222: $83k median household income40223: $97k median household income40228: $79k median household income40229: $80k median household income40231: – median household income40241: $94k median household income40242: $75k median household income40243: $78k median household income40245: $123k median household income40258: $68k median household income40272: $70k median household income40280: – median household income40291: $81k median household income40299: $89k median household income40299402454027240291402224022940214402164024140213402194022840223402074025840218402114022040205402064024240203402094024340212402154020440210402084021740202: $36k median household income40203: $31k median household income40204: $71k median household income40205: $100k median household income40206: $76k median household income40207: $102k median household income40208: $40k median household income40209: – median household income40210: $35k median household income40211: $32k median household income40212: $36k median household income40213: $56k median household income40214: $55k median household income40215: $44k median household income40216: $56k median household income40217: $69k median household income40218: $59k median household income40219: $56k median household income40220: $78k median household income40221: – median household income40222: $83k median household income40223: $97k median household income40228: $79k median household income40229: $80k median household income40231: – median household income40241: $94k median household income40242: $75k median household income40243: $78k median household income40245: $123k median household income40258: $68k median household income40272: $70k median household income40280: – median household income40291: $81k median household income40299: $89k median household income4029940245402724029140222402294021440216402414021340219402284022340258402184021140220402054020640203402434021240215402044020840202: $36k median household income40203: $31k median household income40204: $71k median household income40205: $100k median household income40206: $76k median household income40207: $102k median household income40208: $40k median household income40209: – median household income40210: $35k median household income40211: $32k median household income40212: $36k median household income40213: $56k median household income40214: $55k median household income40215: $44k median household income40216: $56k median household income40217: $69k median household income40218: $59k median household income40219: $56k median household income40220: $78k median household income40221: – median household income40222: $83k median household income40223: $97k median household income40228: $79k median household income40229: $80k median household income40231: – median household income40241: $94k median household income40242: $75k median household income40243: $78k median household income40245: $123k median household income40258: $68k median household income40272: $70k median household income40280: – median household income40291: $81k median household income40299: $89k median household income40299402454027240291402224022940214402164024140213402194022340258402114022040206
The 34 residential ZIP codes named Louisville, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Louisville's ZIP codes?

The highest median household income is in 40245 ($122,948), the lowest in 40203 ($30,794). Home values run from $87,600 in 40212 to $445,300 in 40245.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 34 residential ZIP codes of Louisville

Residential ZIP codes with the postal name Louisville, KY, largest first (ACS 2020-2024); sort by any column
County
40214 Jefferson County 45,405 3,033 $55k $185k
40216 Jefferson County 44,047 2,814 $56k $167k
40299 Jefferson County 42,207 782 $89k $290k
40229 Jefferson County 41,299 2,359 $80k $215k
40291 Jefferson County 41,222 1,821 $81k $277k
40219 Jefferson County 39,909 2,686 $56k $204k
40245 Jefferson County 39,835 1,222 $123k $445k
40272 Jefferson County 38,289 1,150 $70k $176k
40220 Jefferson County 35,078 4,580 $78k $264k
40218 Jefferson County 33,736 3,748 $59k $205k
40241 Jefferson County 30,696 2,344 $94k $374k
40207 Jefferson County 28,903 2,463 $102k $421k
40258 Jefferson County 26,841 2,299 $68k $184k
40205 Jefferson County 24,664 3,581 $100k $375k
40223 Jefferson County 22,798 1,891 $97k $363k
40222 Jefferson County 21,470 2,271 $83k $363k
40215 Jefferson County 20,532 5,881 $44k $115k
40211 Jefferson County 20,407 2,792 $32k $100k
40206 Jefferson County 20,161 3,451 $76k $274k
40228 Jefferson County 18,085 2,088 $79k $241k
40203 Jefferson County 17,742 6,128 $31k $197k
40213 Jefferson County 16,054 1,676 $56k $174k
40208 Jefferson County 15,605 5,981 $40k $189k
40212 Jefferson County 14,661 3,829 $36k $88k
40204 Jefferson County 14,034 4,422 $71k $329k
40210 Jefferson County 13,518 4,259 $35k $99k
40243 Jefferson County 12,002 2,922 $78k $323k
40217 Jefferson County 11,663 4,864 $69k $234k
40242 Jefferson County 11,168 3,905 $75k $300k
40202 Jefferson County 7,261 4,496 $36k $257k
40209 Jefferson County 639 148 – $127k
40280 Jefferson County 182 2,563 – –
40221 Jefferson County no residents 0 – –
40231 Jefferson County no residents 0 – –

Download the 66 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Louisville

32 ZIP codes named Louisville have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Louisville, KY: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
40201Jefferson County
40224Jefferson County
40225Jefferson County
40232Jefferson County
40233Jefferson County
40250Jefferson County
40251Jefferson County
40252Jefferson County
40253Jefferson County
40255Jefferson County
40256Jefferson County
40257Jefferson County
40259Jefferson County
40261Jefferson County
40266Jefferson County
40268Jefferson County
40269Jefferson County
40270Jefferson County
40281Jefferson County
40282Jefferson County
40283Jefferson County
40285Jefferson County
40287Jefferson County
40289Jefferson County
40290Jefferson County
40292Jefferson County
40293Jefferson County
40294Jefferson County
40295Jefferson County
40296Jefferson County
40297Jefferson County
40298Jefferson County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Louisville's ZIP codes reach?

Jefferson County and Louisville cover nearly the same ground. 34 of the 41 residential ZIP codes of Jefferson County are among Louisville's 34, listed here (the County column of the table marks them); the other 7 are 40059 (Prospect), 40118 (Fairdale), 40023 (Fisherville), 40109 (Brooks), 40177 (West Point), 40025 (Glenview), 40041 (Masonic Home).

Louisville's residential ZIP codes lie in 4 counties: Jefferson County (34 ZIP codes mainly there), Bullitt County (part of a ZIP code), Oldham County (part of a ZIP code), Shelby County (part of a ZIP code).

Which places do Louisville's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Louisville's residential ZIP codes cover Louisville itself and 83 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

And 35 more places, each named on its ZIP code's page.

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Louisville's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Louisville starts with 402.

Three-digit prefixes of Louisville's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Louisville's
PrefixSectional centerHereAll codes
402 Louisville, KY (SCF 400) 66 66

All 66 ZIP codes that start with 402 are Louisville's: 34 residential codes and 32 PO Box or unique codes, sorted at Louisville, KY (SCF 400).

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.