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!


Notice of Public Hearing

The Dubuque County Board of Supervisors will hold a public hearing on October 28, 2019 at 5:30 p.m. in the Supervisors’ Chambers, 4th Floor, Dubuque County Courthouse, Dubuque, Iowa concerning the proposed speed limit change as follows:

a) The entire portion of Herod Ln, from Derby Grange Rd continuing to the north to the road end, Dubuque Township Section 8, Dubuque County, Iowa, shall be changed from 55 mph to 25 mph for the entire road length.

See the Official Notice of Public Hearing for more information.

Conservation Strategic Planning - Phase Two

Dubuque County Conservation, together with their board and steering committee, are working on a comprehensive master plan for the County’s parks, trails and open spaces.

You are encouraged to attend one of the open houses to see preliminary concept plans for each park and provide feedback.

Open House Press Release and Schedule

DRAFT Dubuque County Conservation Strategic Plan


West Campus office building

Dubuque County West Campus

The County’s Engineering, Secondary Roads, Zoning, Health and County Assessor departments have moved to the new West Campus at 1225 Seippel Rd.  This $17 million project includes a new office building and Road Department shop.  Click here to view building renderings, project site views, and floor plans.


code red

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