Welcome to the official website of the City of Lake Mills. The City of Lake Mills is located in scenic Jefferson County on the Eastern shores of Rock Lake in Southern Wisconsin. Through our website you will find information about our community, government, and many services available to you.
Municipal Building Information
Monday-Friday, 8am-5pm
200 Water St.
Lake Mills, WI 53551
Phone: (920)648-2344
Fax: (920)648-2347
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