West Liberty is a city in Muscatine County, Iowa, United States. The population was 3,332 at the 2000 census. It is part of the Muscatine Micropolitan Statistical Area. West Liberty is home to the West Liberty Raceway. It also has a fairgrounds, where the Muscatine County Fair takes place. West Liberty Foods, a producer of turkey products, has a meat processing facility as well as its corporate headquarters here.