|Will County Illinois Cities/Towns -
Beecher, Bolingbrook, Braidwood, Crest Hill, Frankfort, Homer Glen, Joliet (County Seat), Lakewood Shores, Lockport, Manhattan, Mokena, Monee, New Lenox, Plainfield, Romeoville, Shorewood, Steger, University Park
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Will County is a county located in the northern part of the U.S. state of Illinois. In 2016, the estimated population was 689,529. The county seat is Joliet.
Will County was formed in 1836. It was named after Dr. Conrad Will, a businessman involved in salt production in southern Illinois, and also a politician.