Ladonna J Holstad (Postmaster)
ladonna.j.holstad@usps.gov
206 N Mill St
Lake Mills, IA 50450
Lake Mills, IA 50450
The Lake Mills Post Office is located in the state of Iowa within Winnebago County. This location serves 2,897 Lake Mills residents with a median income of $44,125. It's estimated that approximately 4,624 packages pass through this post office each year.