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".
Cities, Towns, Neighborhoods & Other Populated Places in Dubuque County.
|Cascade||City in Iowa, United States||Dubuque||2,350|
|Centralia||City in Iowa||Dubuque||128|