Washita County is a county located in the U.S. state of Oklahoma. As of the 2020 census, the population was 10,924. Its county seat is New Cordell. The county seat was formerly located in Cloud Chief. The county was created in 1891.

New Cordell is a city in, and county seat of, Washita County, Oklahoma, United States. It lies along U.S. Route 183. The population was 2,915 at the 2010 census. The community was previously established a few miles from the current site, but was moved about 1900. It was named for a U.S. Postal Service employee in Washington D. C., Wayne W. Cordell. The official name is New Cordell, though it is now commonly called Cordell.