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Hours of Operation

The courthouse hours are 8:00-4:30 p.m. Monday-Friday.


Marquette County is striving to improve all aspects of County Government. Communicating issues, ideas, concerns or problems is key to our progress, and is the foundation to all successful organizations. All suggestions are confidential and will be reviewed by the County Administrator’s Office.  Please send your response to

Mailing Addresses 

Marquette County Courthouse

77 West Park Street - PO Box 129
Montello, WI 53949

Marquette County Sheriff's Department

67 West Park Street
Montello, WI 53949

Marquette County Highway Department

PO Box 398
Montello, WI  53949

Marquette County Health Department

428 Underwood Avenue - PO Box 181
Montello, WI 53949

Marquette County Human Services Department

428 Underwood Avenue - PO Box 405
Montello, WI 53949