Pearl is a village in Pike County, Illinois, United States. The population was 187 at the 2000 census. The village, settled in the late 1800s, is named after pearl buttons drilled from the large supply of native mussels that once lived in the nearby Illinois River. Pearl City apartments for rent comparison page shows most up to date rent information on Pearl City apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.