Wichita  /ˈwɪtʃɨtɔː/ WICH-ə-taw is the largest city in the U.S. state of Kansas. As of the 2010 census, the city population was 382,368. Located in south-central Kansas on the Arkansas River, Wichita is the county seat of Sedgwick County and the principal city of the Wichita metropolitan area. As of 2011, the metro area had a population of 630,721.