Welcome to Plainfield, Illinois, a charming town founded in 1841 that boasts a population of approximately 80,318 residents. Known for its historic downtown district and picturesque parks, Plainfield offers a perfect blend of small-town charm and modern amenities. Notable historical figures like the “Mother of Daylight Saving Time,” Esther Peterson, have called Plainfield home. Sister cities include Frosinone, Italy, and Taufkirchen, Germany, adding an international flair to this Midwestern gem.