Glen Ellyn is an established suburb in central DuPage County, known for its walkable historic downtown, Lake Ellyn, and mature, tree-lined neighborhoods. The housing runs from older character homes and mid-century houses near the center to newer construction further out, and the town's downtown, its parks, and the lake give it a strong, settled sense of place. College of DuPage sits on the edge of town.
For buyers, Glen Ellyn offers the established-suburb combination at the higher end of the range: a genuine downtown, mature neighborhoods, and a workable commute. It sits on the Metra Union Pacific West line, with a station at the downtown, and I-355 is close for drivers. The older housing near the center rewards a careful look, and prices tend to run toward the top of central DuPage, so anchor on comps for the specific neighborhood.