Dubuque County, county in Iowa, United States. As of 2020 county had an estimated population of 97,590 inhabitants. The county was created 188 years ago in 1834. Its county seat is "Dubuque".
There are 1 city/town in Dubuque County, IA. The largest city of Dubuque County is Peosta with a population of 1,919.
Cities, Towns, Neighborhoods & Other Populated Places in Dubuque County.
|Peosta||City in Dubuque County, Iowa, United States||Dubuque||1,919|