Annawan, Illinois — City Overview

Living in Annawan, summers are warm, peaking at 84.6°F in Jul, while winters are cold — Jan lows average 16.4°F. Winter heating is a real budget factor — 5709 degree days means 4-5 months of meaningful energy bills. With 38.7 inches annually, the climate is relatively dry. Within 5 miles: 2 parks, 2 dining spots and 2 schools. For hospital care, the nearest facility is in a neighboring city. Median household income: $56,350. With a 10.8% poverty rate and 78.8% homeownership, the community reflects a stable residential mix. Air quality is Good — avg AQI 41 over the past week.

View Annawan city guide

Updated August 27, 2026.

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