Clarendon Hills, Illinois — City Overview

Living in Clarendon Hills, summers are warm, peaking at 82.9°F in Jul, while winters are cold — Feb lows average 18.4°F. Winter heating is a real budget factor — 5799 degree days means 4-5 months of meaningful energy bills. The area receives 48.1 inches of rainfall per year. Within 5 miles: 214 parks, 12 groceries, 218 dining spots and 9 schools. For hospital care, the nearest facility is in a neighboring city. Median household income: $115,923. With a 8.1% poverty rate and 84.1% homeownership, the community reflects a stable residential mix. Nearby cities: Brookfield (6mi E), Lisle (6mi W), Bellwood (7mi NE). Air quality is Moderate — avg AQI 51 over the past week.

View Clarendon Hills city guide

Updated September 11, 2026.

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