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City ZIP codes · Kentucky

Lexington, KY ZIP Codes

39 ZIP codes use the postal name Lexington, Kentucky (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 16 residential and 23 for PO boxes or a single organization. Median household income runs from $29,440 in 40508 to $161,938 in 40510, 5.5 times as much (Census Bureau, ACS 2020-2024). Lexington's most populous ZIP code is 40509, with 47,036 people (ACS 2020-2024); 0% of its land is in the city of Lexington.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Lexington's ZIP codes?

40502: $77k median household income40503: $77k median household income40504: $46k median household income40505: $58k median household income40507: $41k median household income40508: $29k median household income40509: $95k median household income40510: $162k median household income40511: $80k median household income40513: $128k median household income40514: $96k median household income40515: $86k median household income40516: $85k median household income40517: $54k median household income40526: – median household income40536: – median household income4051140515405094051640510405134050540503405174050240504405084051440502: $77k median household income40503: $77k median household income40504: $46k median household income40505: $58k median household income40507: $41k median household income40508: $29k median household income40509: $95k median household income40510: $162k median household income40511: $80k median household income40513: $128k median household income40514: $96k median household income40515: $86k median household income40516: $85k median household income40517: $54k median household income40526: – median household income40536: – median household income40511405154050940516405104051340505405034051740502405044051440502: $77k median household income40503: $77k median household income40504: $46k median household income40505: $58k median household income40507: $41k median household income40508: $29k median household income40509: $95k median household income40510: $162k median household income40511: $80k median household income40513: $128k median household income40514: $96k median household income40515: $86k median household income40516: $85k median household income40517: $54k median household income40526: – median household income40536: – median household income4051140515405094051640510405134050540503405174050440514
The 16 residential ZIP codes named Lexington, 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 Lexington's ZIP codes?

The highest median household income is in 40510 ($161,938), the lowest in 40508 ($29,440). Home values run from $179,200 in 40505 to $695,400 in 40510.

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

All 16 residential ZIP codes of Lexington

Residential ZIP codes with the postal name Lexington, KY, largest first (ACS 2020-2024); sort by any column
County
40509 Fayette County 47,036 984 $95k $366k
40511 Fayette County 38,176 444 $80k $252k
40515 Fayette County 37,384 675 $86k $341k
40517 Fayette County 35,656 5,777 $54k $217k
40503 Fayette County 27,451 3,107 $77k $297k
40502 Fayette County 26,122 3,655 $77k $518k
40504 Fayette County 25,816 4,188 $46k $223k
40505 Fayette County 25,594 3,204 $58k $179k
40508 Fayette County 23,756 5,647 $29k $183k
40514 Fayette County 16,961 5,673 $96k $316k
40513 Fayette County 11,032 751 $128k $498k
40516 Fayette County 2,926 95 $85k $264k
40526 Fayette County 2,383 39,066 – –
40507 Fayette County 2,159 5,009 $41k $329k
40510 Fayette County 1,904 84 $162k $695k
40536 Fayette County no residents 0 – –

Download the 39 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 Lexington

23 ZIP codes named Lexington 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.

Lexington, 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
40506Fayette County
40512Fayette County
40522Fayette County
40523Fayette County
40524Fayette County
40533Fayette County
40544Fayette County
40546Fayette County
40550Fayette County
40555Fayette County
40574Fayette County
40575Fayette County
40576Fayette County
40577Fayette County
40578Fayette County
40579Fayette County
40580Fayette County
40581Fayette County
40582Fayette County
40583Fayette County
40588Fayette County
40591Fayette County
40598Fayette County

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

Which counties do Lexington's ZIP codes reach?

Fayette County and Lexington cover nearly the same ground. 16 of the 17 residential ZIP codes of Fayette County are among Lexington's 16, listed here (the County column of the table marks them); the other one is 40324 (Georgetown).

Lexington's residential ZIP codes lie in 5 counties: Fayette County (16 ZIP codes mainly there), Clark County (part of a ZIP code), Scott County (part of a ZIP code), Bourbon County (part of a ZIP code), Jessamine County (part of a ZIP code).

Which places do Lexington's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Lexington's residential ZIP codes cover 1 other place, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

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

Which first three digits do Lexington'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 Lexington starts with 405.

Three-digit prefixes of Lexington'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 Lexington's
PrefixSectional centerHereAll codes
405Lexington, KY (SCF 403)3939

All 39 ZIP codes that start with 405 are Lexington's: 16 residential codes and 23 PO Box or unique codes, sorted at Lexington, KY (SCF 403).

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