Home > KY > Fayette County > Lexington > Zip 40503

Zip Code 40503 — Lexington, KY

ZIP Code 40503 is associated with Lexington, KY, in Fayette County. The listed population estimate is 27,451; estimated density is 1,199.8 people per square mile. Among records with population estimates, it ranks #5 of 15 in Fayette County and #42 of 765 in KY.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.004700, -84.534340)

Data MetricLocal Statistic
Postal / Zip Code40503
Primary CityLexington
State / ProvinceKY
CountyFayette
Total Population27,451
Population Density1,199.8 people/sq mi
TimezoneAmerica/New_York

How 40503 Compares

MetricZIP 40503Fayette County recordsKY records
Population estimate27,451324,356 (sum)4,542,460 (sum)
Population Density1,199.8 /sq mi----
County population rank#5 of 15----
State population rank#42 of 765----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in KY

ZIP CodeCityDistancePopulation estimate
ZIP 40514Lexington2.2 mi16,961
ZIP 40536Lexington2.3 miN/A
ZIP 40526Lexington2.5 mi2,383
ZIP 40504Lexington2.6 mi25,816
ZIP 40517Lexington2.9 mi35,656

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →