Creve Coeur, Illinois — City Overview

Living in Creve Coeur, summers are hot, with Jul highs around 85.0°F, while winters are cold — Feb lows average 19.3°F. Winter heating is a real budget factor — 5286 degree days means 4-5 months of meaningful energy bills. The area receives 40.7 inches of rainfall per year. Median household income: $50,958. With a 8.5% poverty rate and 76.8% homeownership, the community reflects a stable residential mix. Air quality is Good — avg AQI 41 over the past week.

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Updated September 16, 2026.

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