Wyandotte County, Kansas

Wyandotte County
Wyandotte County Courthouse in Kansas City (2009)
Location within the U.S. state of Kansas
Kansas's location within the U.S.
Coordinates: 39°07′N 94°43′W / 39.117°N 94.717°W / 39.117; -94.717
Country United States
State Kansas
FoundedJanuary 29, 1859 (1859-01-29)
Named afterWyandot people
SeatKansas City
Largest cityKansas City
Area
  Total
156 sq mi (400 km2)
  Land152 sq mi (390 km2)
  Water4.6 sq mi (12 km2)  2.9%
Population
 (2020)
  Total
169,245
  Estimate 
(2023)
165,281
  Density1,087/sq mi (420/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional districts2nd, 3rd
Websitewycokck.org

Wyandotte County (/ˈw.əndɒt/) is a county in the U.S. state of Kansas. Its county seat and most populous city is Kansas City, with which it shares a unified government. As of the 2020 census, the population was 169,245, making it Kansas's fourth-most populous county. The county was named after the Wyandot tribe.