The Plainfield Park District, incorporated in 1966, is located in Will and Kendall Counties, and encompasses all of Plainfield Township and portions of Wheatland Township in Will County and Na-Au-Say Township in Kendall County, including areas of Bolingbrook, Crest Hill, Joliet, Plainfield and Romeoville, as well as some unincorporated areas. The Park District boundaries cover more than 43.04 square miles or approximately 27,545 acres and serves a population of more than 110,000 people. The Park District is ranked 9th largest in the State of Illinois based on population served.

The Park District is governed by an elected seven-member board and operates under a Board-Manager form of government, with its primary purpose to provide parks and recreational opportunities to its residents. Services provided include recreation programs, park management, capital development and general administration. The Park District manages 91 parks on approximately 1,500 acres. Recreational facilities and amenities operated by the Park District include 64 playgrounds, 2 skate parks, 3 dog parks, 25 basketball courts, pathways, bike trails and numerous sports fields for baseball, football, soccer and softball in addition to the Recreation/Administration Center, Recreation/Administration Center Annex, Normantown Equestrian Center, Ottawa Street Pool, Heritage Professional Center, Streams Recreation Center and the Plainfield Township Community Center.