Welcome to Dubuque County, Iowa

Dubuque County is located in northeast Iowa along the Mississippi River, where the states of Iowa, Illinois and Wisconsin meet.  With a population of 97,000 people, we are the 8th most populated county in Iowa.  We invite you to browse our website for information and resources on our wonderful community.  Welcome!



Dubuque County West Campus

Construction work is underway on the new Dubuque County West Campus building site.  This $17 million project will be home to the County’s Engineering, Secondary Roads, Zoning, Health and Assessor departments.  Click here to view building renderings, project site views, floor plans and live streaming of the work as it progresses.


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Make sure you’re notified in the event of an emergency.

If you have information regarding a crime, call Crime Stoppers today!
(800) 747-0117