Posted on July 1, 2019, Edited August 6, 2019 by Town Clerk REMINDER: The second installment of the property tax bill is due to the County by July 31st, 2019. Make check payable to: Walworth County and mail to: Walworth County Treasurer 100 W. Walworth St. P.O. Box #1001 Elkhorn, WI. 53121