Some of the cities, towns, and places in Dubuque County are Asbury, Balltown, Bankston, Bernard, Cascade, Center, Centralia, Concord, Dodge, Dubuque, Durango, Dyersville, Epworth, Farley, Fillmore, Graf, Holy Cross, Iowa, Jefferson, Key West, Liberty, Luxemburg, Mosalem, New Vienna, New Wine, Peosta, Peru, Prairie Creek, Rickardsville, Sageville, Sherrill, Table Mound, Taylor, Vernon, Washington, Washington Mills, Whitewater, Worthington, Zwingle
Dubuque County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 93,653. The county seat is Dubuque. The county is named for Julien Dubuque, the first European settler of Iowa.
Dubuque County comprises the Dubuque, IA Metropolitan Statistical Area, and is the seventh largest county by population in the state.