Marquette Heights is a city in Tazewell County, Illinois, United States of America. The population was 2,794 at the 2000 census. Marquette Heights is a suburb of Peoria and is part of the Peoria-Pekin MSA. Marquette Heights apartments for rent comparison page shows most up to date rent information on Marquette Heights apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.