Spillville is a city in Winneshiek County, Iowa, United States. The population was 386 at the 2000 census. It is located in Calmar Township, about 4 mi (7 km) west of Calmar and about 12 miles (19 km) southwest of Decorah, the county seat. Spillville boasts a strong cultural and musical history. The Czech composer Antonín Dvo ák spent the summer of 1893 in Spillville, where he composed two of his most famous chamber works, including the String Quartet in F ("The American"). Spillville is also the site of the Inwood Ballroom, established in 1920 and the destination of several popular 20th century musicians such as Louis Armstrong, Glenn Miller, Guy Lombardo and The Byrds. Many tourists to Spillville have also visited the Bily Clocks Museum (see link below), a collection of intricately designed clocks created by two brothers in Spillville.