The median property tax rate nationwide is 1.31%. Iowa is above that at 1.69%. This chart shows each state’s median tax rate. In most states, property taxes vary from county to county, Iowa included. Even in within Polk County property taxes vary significantly from city to city. Here are the 2013-2014 tax rates for ten metro communities (per 1,000 in assessed value): Altoona- $9.14 Urbandale- $9.57 Clive- $9.98 Johnston- $11.15 Ankeny- $12.02 West Des Moines- $12.02 Grimes- $12.91 Waukee- $13.50 Windsor…