Bonfield, Illinois — City Overview

Living in Bonfield, summers are warm, peaking at 83.4°F in Jul, while winters are cold — Feb lows average 18.9°F. Winter heating is a real budget factor — 5449 degree days means 4-5 months of meaningful energy bills. The area receives 45.6 inches of rainfall per year. Median household income: $75,000. With a 3.6% poverty rate and 79.9% homeownership, the community reflects a stable residential mix. Nearby cities: Bourbonnais (9mi E), Bradley (10mi E), Kankakee (10mi E). Air quality is Good — avg AQI 43 over the past week.

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Updated August 31, 2026.

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