The Carroll County Highway Department is located at 10735 Mill Road just south of Mt. Carroll. Office hours at the Highway Department are 8:30 am to 4:30 pm, Monday thru Friday.
The Carroll County Health Department is located at 822 South Mill Street in Mt. Carroll. Office hours at the Health Department are 8:30 am to 4:30 pm, Monday thru Friday.
Please use the related links in the menu on the left side of this page to view information about individual County Departments.