Grinnell State Bank

Founded in 1903, Polk County Bank is a state-chartered commercial bank. It offers several traditional investment products and services in addition to online personal and business banking options. The bank provides money market, checking and savings accounts; mortgage, commercial, personal and home equity loans; and cash and asset management plans, as well as tax and estate planning. Polk County Bank provides deposit certificates, bonds, securities, annuities and retirement solutions, and business lending and financing solutions. The bank offers merchant card processing and depository services, electronic bills payment, wire transfers, and business lending and financing. It maintains a branch location in Johnston, Iowa.