The base is the value of all taxable property in the district . The clerk calculates the rate after the governing body of the town, village or city determines how much money must be raised from the property tax . In Wisconsin, the town, village,or city treasurer collects property taxes for the municipality, the school, the county and the state . WISCONSIN (WQOW) - A new study finds that Wisconsin homeowners pay some of the highest property taxes in the country. The report by personal finance website WalletHub found that Wisconsin ranks Wisconsin has one of the highest average property tax rates in the country, with only eight states levying higher property taxes. Wisconsin's median income is $62,494 per year, so the median yearly property tax paid by Wisconsin residents amounts to approximately % of their yearly income.