Kewanee, Illinois — City Overview

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Living in Kewanee, summers are warm, peaking at 84.0°F in Jul, while winters are cold — Jan lows average 17.1°F. Winter heating is a real budget factor — 5743 degree days means 4-5 months of meaningful energy bills. With 38.6 inches annually, the climate is relatively dry. Median household income: $46,305. With a 20.0% poverty rate and 68.2% homeownership, the community reflects a stable residential mix. Air quality is Good — avg AQI 43 over the past week.

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Updated October 18, 2026.

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