Sedgwick County, Kansas

Sedgwick County
Old Sedgwick County Courthouse in Wichita (2009)
Location within the U.S. state of Kansas
Kansas's location within the U.S.
Coordinates: 37°43′N 97°27′W / 37.717°N 97.450°W / 37.717; -97.450
Country United States
State Kansas
FoundedFebruary 26, 1867
Named afterJohn Sedgwick
SeatWichita
Largest cityWichita
Area
  Total
1,009 sq mi (2,610 km2)
  Land998 sq mi (2,580 km2)
  Water12 sq mi (30 km2)  1.2%
Population
 (2020)
  Total
523,824
  Estimate 
(2023)
528,469
  Density524.9/sq mi (202.7/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Area code316
Congressional district4th
Websitesedgwickcounty.org

Sedgwick County is located in the U.S. state of Kansas. Its county seat is Wichita, the most populous city in the state. As of the 2020 census, the population was 523,824, making it the second-most populous county in Kansas. The county was named for John Sedgwick, the highest ranking Union general killed during the American Civil War.