Glendale Heights, Illinois — City Overview

Living in Glendale Heights, summers are warm, peaking at 82.9°F in Jul, while winters are cold — Feb lows average 18.0°F. Winter heating is a real budget factor — 5896 degree days means 4-5 months of meaningful energy bills. The area receives 45.2 inches of rainfall per year. Median household income: $83,588. With a 8.7% poverty rate and 64.7% homeownership, the community reflects a stable residential mix. Nearby cities: Winfield (6mi SW), Wood Dale (6mi NE), Bartlett (7mi NW). Air quality is Good — avg AQI 47 over the past week.

View Glendale Heights city guide

Updated October 12, 2026.

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