by Kristen Carney
Updated: August 7, 2025
The most populous counties in Kentucky are Jefferson County with 793,881, Fayette County at 329,437, Kenton County with 174,862, Warren County at 147,936, and Boone County with 144,135. You can get the most current Census population data for all 120 Kentucky counties, sorted from the most populous counties in Kentucky to the least, according to the 2024 Population Estimates Program.
Sure, you can copy this list right into your favorite spreadsheet tool. Or save yourself formatting headaches and grab the latest Kentucky counties population data as a ready-to-use Excel™ file below. It's time to stop searching and start digging into data!
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