Bettendorf is a city in Scott County, Iowa, United States. The population was 31,275 at the 2000 census. The 2006 estimates shows slight growth to 32,394. It is one of the Quad Cities. Bettendorf apartments for rent comparison page shows most up to date rent information on Bettendorf apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.