Sumner County, Kansas

Sumner County (standard abbreviation: SU) is a county in the U.S. state of Kansas. In 2010, 24,132 people lived there. Its county seat is Wellington.
History.
19th century.
On February 26, 1867, Sumner County was created from parts of Marion County and Butler County. It was named after Charles Sumner, a U.S. Senator from Massachusetts (1811–74), who was wanted Kansas to be a free state.
In 1887, the Chicago, Kansas and Nebraska Railway built a north-south railroad from Herington to Caldwell. This railroad connected Herington, Lost Springs, Lincolnville, Antelope, Marion, Aulne, Peabody, Elbing, Whitewater, Furley, Kechi, Wichita, Peck, Corbin, Wellington, Caldwell. By 1893, this railroad was slowly built to Fort Worth, Texas. This line is called the "OKT".
21st century.
In December 2011, the Kansas Star Casino opened about west of the center of Mulvane.
Geography.
The U.S. Census Bureau says that the county has a total area of . Of that, is land and (0.3%) is water.
People.
Sumner County is part of the Wichita, KS Metropolitan Statistical Area
Government.
Sumner County often votes for the Republican Party in Presidential elections. However, in 1992 George H.W Bush won the county by less than two percent. The last time they have voted for a Democratic candidate was in 1976 for Jimmy Carter.