Wichita is the largest city in the state of Kansas and the 48th-largest city in the United States. 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 the 2010 United States Census, the city population was 382,368; as of 2014, it was estimated to have increased to 389,965.