Altona, Illinois — City Overview

Living in Altona, summers are warm, peaking at 83.9°F in Jul, while winters are cold — Feb lows average 17.5°F. Winter heating is a real budget factor — 5656 degree days means 4-5 months of meaningful energy bills. With 38.2 inches annually, the climate is relatively dry. Median household income: $64,861. With a 6.2% poverty rate and 93.0% homeownership, the community reflects a stable residential mix. Nearby cities: Galva (7mi NE), Kewanee (15mi NE), Galesburg (16mi SW). Air quality is Good — avg AQI 41 over the past week.

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Updated August 27, 2026.

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