Dubuque County, Iowa

Dubuque County is home to Iowa’s oldest city, which also serves as its county seat, Dubuque. The city sits along the Mississippi River, with a downtown area that blends historic warehouses with modern riverfront development.

The Fenelon Place Elevator offers spectacular views of the city and river. It is often described as the world’s shortest, steepest scenic railway, making it a unique attraction in Dubuque.

The Mines of Spain Recreation Area, located south of the city, offers excellent hiking opportunities and a chance to spot bald eagles. With its combination of history, culture, and natural beauty, Dubuque County stands out as a memorable destination in Iowa.

CategoryDetails
County NameDubuque County
County SeatDubuque
Population100,000
Cities, Towns, and CommunitiesDubuque, Asbury, Epworth, Dyersville, Peosta, Cascade, Bernard, Holy Cross
Interstates and HighwaysU.S. Highway 20, U.S. Highway 61, Iowa Highway 32
FIPS Code19-061
Total Area (Land and Water)619 square miles (land: 616 sq mi, water: 3 sq mi)
Adjacent Counties (and Direction)Clayton County (North), Grant County, Wisconsin (Northeast), Jo Daviess County, Illinois (East), Jackson County (Southeast), Jones County (Southwest), Delaware County (West)
Time ZoneCentral Time Zone (CST)
StateIowa
Coordinates42.50°N, 90.66°W
EtymologyNamed after the French-Canadian fur trader Julien Dubuque
Major LandmarksNational Mississippi River Museum & Aquarium, Dubuque Arboretum and Botanical Gardens, Eagle Point Park
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