West Peoria is a city in Peoria County, Illinois, USA. The population was 4,762 at the 2000 census. West Peoria is a suburb of Peoria and is part of the Peoria-Pekin MSA. West Peoria apartments for rent comparison page shows most up to date rent information on West Peoria apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.