Plainfield is a village in Will County, Illinois, United States. The village includes land in Plainfield and Wheatland townships. Part of the village is located in Kendall County. The village has established a community Preservation Commission and historic preservation ordinance. It is the home of the Lake Renwick Preserve, a county forest preserve used for birdwatching and other activities.
The area was called Walkers’ Grove until it was platted as Plainfield in 1841. The village is identified as the oldest community in Will County because the earliest settlement of Walkers’ Grove was established on the banks of the DuPage River by 1828. However, the actual Village of Plainfield was platted immediately north of Walkers’ Grove in 1834 by Chester Ingersoll. The separate community of East Plainfield was platted in June 1836 by James Mathers who began selling lots in July 1836.
North Central College was first founded in the village in 1861 as Plainfield College. Plainfield Public Library District was first founded in the village in 1925 as the Nimmons Village of Plainfield Free Public Library. The village is also the birthplace of Eddie Gardner, one of the pilots credited with establishing the transcontinental air mail routes for the United States Postal Service. The earliest architects associated with buildings in Plainfield are J.E. Minott of Aurora; G. Julian & John Barnes of Joliet; and Herbert Cowell of Joliet and Plainfield.
Plainfield Community Consolidated School District 202 serves the village and portions of Joliet, Crest Hill, Bolingbrook, Romeoville, and Plainfield Township in unincorporated parts of Will County,.