Bunker Hill, Illinois — City Overview

Living in Bunker Hill, summers are hot, with Jul highs around 86.1°F, while winters are cold — Feb lows average 23.6°F. Winter heating is a real budget factor — 4540 degree days means 4-5 months of meaningful energy bills. The area receives 51.7 inches of rainfall per year. Median household income: $67,422. With a 9.5% poverty rate and 75.1% homeownership, the community reflects a stable residential mix. Air quality is Good — avg AQI 47 over the past week.

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Updated September 01, 2026.

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