New Vienna is a city in Dubuque County, Iowa, United States. It is part of the Dubuque, Iowa Metropolitan Statistical Area. The population was 382 at the time of the 2020 census, down from 400 in 2000. New Vienna is the home to the Saint Boniface Catholic Church. The city promotes itself with the slogan The eNVy of Iowa.
Geography
According to the United States Census Bureau, the city has a total area of , all land.
History
New Vienna was settled by Germans with assistance from the Emperor of Austria. It was founded in 1843.
St. Boniface Catholic Church was established for the local families that established New Vienna. This church is notable for its late 19th-century William Schuelke pipe organ, one of the few original remaining Schuelke Organs. Except for an electric blower, it has been basically unaltered since installation.