Franklin Grove, Illinois — City Overview

Living in Franklin Grove, summers are warm, peaking at 83.7°F in Jul, while winters are cold — Jan lows average 15.4°F. At 6016 heating degree days per year, winter energy bills are significant. The area receives 40.0 inches of rainfall per year. Within 5 miles: 2 parks and 1 dining spot. For hospital care, the nearest facility is in a neighboring city. Median household income: $55,278. With a 8.2% poverty rate and 62.7% homeownership, the community reflects a stable residential mix. Air quality is Good — avg AQI 34 over the past week.

View Franklin Grove city guide

Updated October 09, 2026.

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