Hanover, Illinois — City Overview

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Living in Hanover, summers are warm, peaking at 84.6°F in Jul, while winters are cold — Feb lows average 12.3°F. At 6264 heating degree days per year, winter energy bills are significant. With 36.6 inches annually, the climate is relatively dry. Within 5 miles: 3 parks and 4 schools. For hospital care, the nearest facility is in a neighboring city. Median household income: $43,802. With a 18.6% poverty rate and 63.9% homeownership, the community reflects a stable residential mix. Nearby cities: Bellevue (7mi W), Galena (13mi NW), Savanna (13mi SE). Air quality is Good — avg AQI 35 over the past week.

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Updated October 13, 2026.

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