Andalusia, Illinois — City Overview

Living in Andalusia, summers are warm, peaking at 84.3°F in Jul, while winters are cold — Jan lows average 16.1°F. Winter heating is a real budget factor — 5739 degree days means 4-5 months of meaningful energy bills. With 36.9 inches annually, the climate is relatively dry. Median household income: $68,155. With a 7.1% poverty rate and 83.6% homeownership, the community reflects a stable residential mix. Nearby cities: Milan (8mi E), Davenport (9mi NE), Rock Island (9mi NE). Air quality is Good — avg AQI 41 over the past week.

View Andalusia city guide

Updated August 27, 2026.

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