Headquartered in Iowa City since 1934, MidWestOne Bank has grown with Iowa. With 44 locations across the Midwest, MidWestOne has the stability, technology, and resources necessary to work with entrepreneurs, small businesses, and large commercial operations. Plus, MidWestOne is a Preferred Lender with the SBA. There is a difference with who you bank with. At MidWestOne … You’re the One. Member FDIC.