CLARE BANK, NA is a banking company based out of 345 W PINE ST, Platteville, Wisconsin, United States. Clare Bank was originally started as State Bank of Platteville in 1905. Clare Bank is a strong community bank in Southwest Wisconsin with eight locations. There are seven locations in Grant County and one in Lafayette County. The main branch is located in Platteville and the seven remaining branches are conveniently located within 30 miles or less of Platteville.