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is a city in Flat Creek Township, Barry County, Missouri, United States. The population was 2,890 at the 2000 census. It is the county seat of Barry County. Crowder College offers 2 year degree programs in Cassville. The city was connected by rail via the Cassville & Exeter Railroad from July 4th, 1896 to September 11th, 1956.
Cassville is located at (36.680115, -93.869424). According to the United States Census Bureau, the city has a total area of 2.8 square miles (7.1 km²), all of it land.