Harvard, Illinois — City Overview

Living in Harvard, summers are warm, peaking at 82.8°F in Jul, while winters are cold — Jan lows average 14.8°F. At 6382 heating degree days per year, winter energy bills are significant. With 37.8 inches annually, the climate is relatively dry. Median household income: $67,938. With a 14.0% poverty rate and 57.6% homeownership, the community reflects a stable residential mix. Air quality is Good — avg AQI 37 over the past week.

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Updated October 13, 2026.

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