Dewey, Illinois — City Overview

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Living in Dewey, summers are warm, peaking at 84.2°F in Jul, while winters are cold — Feb lows average 20.3°F. Winter heating is a real budget factor — 5127 degree days means 4-5 months of meaningful energy bills. With 39.6 inches annually, the climate is relatively dry. Within 5 miles: 2 parks and 1 dining spot. For hospital care, the nearest facility is in a neighboring city. Median household income: $31,250. With a 26.8% poverty rate and 79.3% homeownership, the community reflects a stable residential mix. Air quality is Good — avg AQI 38 over the past week.

View Dewey city guide

Updated October 01, 2026.

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