Carthage, Illinois — City Overview

Living in Carthage, summers are hot, with Jul highs around 85.7°F, while winters are cold — Feb lows average 19.3°F. Winter heating is a real budget factor — 5178 degree days means 4-5 months of meaningful energy bills. The area receives 40.6 inches of rainfall per year. Within 5 miles: 5 parks, 2 dining spots and 2 schools. For hospital care, the nearest facility is in a neighboring city. Median household income: $75,962. With a 11.5% poverty rate and 75.0% homeownership, the community reflects a stable residential mix. Nearby cities: Keokuk (13mi W), Nauvoo (16mi NW), Fort Madison (17mi NW). Air quality is Good — avg AQI 45 over the past week.

View Carthage city guide

Updated September 05, 2026.

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