by Kristen Carney
Updated: August 7, 2025
The most populous counties in Kansas are Johnson County with 632,276, Sedgwick County at 536,081, Shawnee County with 177,942, Wyandotte County at 169,418, and Douglas County with 121,989. You can get the most current Census population data for all 105 Kansas counties, sorted from the most populous counties in Kansas 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 Kansas counties population data as a ready-to-use Excel™ file below. It's time to stop searching and start digging into data!
Join thousands of subscribers and receive just 2 (TWO!) emails a year in March and December when the US Census Bureau releases new population data for Kansas counties.
© Copyright 2025 Cubit Planning, Inc.