10 Most Populated ZIP Codes in Kentucky

The top ZIP code for population in Kentucky is 40475 (Richmond, Madison County), with a population of 65,030. Across the top 10 most populated ZIP codes in Kentucky, population ranges from 65,030 to 45,135, covering communities from Richmond to Georgetown.

Rank	ZIP	City	County	Population	Population
1	40475	Richmond	Madison County	65,030	65,030
2	42101	Bowling Green	Warren County	63,290	63,290
3	41042	Florence	Boone County	55,880	55,880
4	42701	Elizabethtown	Hardin County	53,240	53,240
5	40324	Georgetown	Scott County	52,173	52,173
6	40601	Frankfort	Franklin County	51,627	51,627
7	40214	Louisville	Jefferson County	45,986	45,986
8	42301	Owensboro	Daviess County	45,399	45,399
9	40356	Nicholasville	Jessamine County	45,142	45,142
10	40509	Lexington	Fayette County	45,135	45,135

Methodology

Rankings are derived from the U.S. Census Bureau American Community Survey 5-Year Estimates, vintage 2019 to 2023, joined to USPS ZIP Code Tabulation Areas. We rank by population and surface the top 10 ZIP codes within Kentucky. Values reflect ZCTA-level estimates and may differ slightly from city-level figures. Compiled and reviewed by the Zip Code Near Me Data Team.

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Reviewed by Zip Code Near Me Data Team. Last verified June 13, 2026.

10 Most Populated ZIP Codes in Kentucky

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