Dubuque County, Iowa

Dubuque County
County
The Dubuque County Courthouse is an example of Beaux-Arts architecture.
The Dubuque County Courthouse is an example of Beaux-Arts architecture.
Official seal of Dubuque County
Seal
Map of Iowa highlighting Dubuque County
Location within the U.S. state of Iowa
Map of the United States highlighting Iowa
Iowa's location within the U.S.
Coordinates: 42°28′15″N 90°52′42″W / 42.47083°N 90.87833°W / 42.47083; -90.87833
Country United States
State Iowa
Founded1834
Named forJulien Dubuque
SeatDubuque
Largest cityDubuque
Area
 • Total
617 sq mi (1,600 km2)
 • Land608 sq mi (1,570 km2)
 • Water8.3 sq mi (21 km2)  1.4%
Population
 (2020)
 • Total
99,266
 • Density160/sq mi (62/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district2nd
Websitewww.dubuquecountyiowa.gov

Dubuque County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 99,266,[1] making it the eighth-most populous county in Iowa. The county seat is Dubuque.[2] The county is named for Julien Dubuque, the first European settler of Iowa.

Dubuque County comprises the Dubuque, IA Metropolitan Statistical Area.[3]

  1. ^ "2020 Census State Redistricting Data". census.gov. United states Census Bureau. Retrieved August 11, 2020.
  2. ^ "Find a County". National Association of Counties. Archived from the original on July 4, 2012. Retrieved June 7, 2011.
  3. ^ "Metropolitan Statistical Area Definitions" (PDF). Archived from the original (PDF) on October 1, 2006. Retrieved January 17, 2007.