Hills Bank and Trust Company is a financial institution headquartered in Hills, Iowa, with 18 offices across Johnson, Linn, and Washington Counties. Since being founded in 1904, the bank has grown to become one of the largest independent banks in Iowa, with over $4 billion in assets along with $2.5 billion held by Hills Bank’s Wealth Management Group. Hills Bank offers financial products as well as wealth management services. Schedule an appointment online to learn more. Hills Bank Member FDIC. Some trust products and IRA contributions/balances are not a deposit, not FDIC insured by any federal government agency, not guaranteed by the bank and may go down in value.