Centralia, Illinois — City Overview

Living in Centralia, summers are hot, with Jul highs around 88.0°F, while winters are chilly, with Feb lows around 26.3°F. Winter heating is a real budget factor — 4081 degree days means 4-5 months of meaningful energy bills. The area receives 47.9 inches of rainfall per year. Within 5 miles: 18 parks, 2 dining spots and 10 schools. For hospital care, the nearest facility is in a neighboring city. Median household income: $46,468. With a 23.4% poverty rate and 65.1% homeownership, the community reflects a stable residential mix. Air quality is Good — avg AQI 45 over the past week.

View Centralia city guide

Updated September 05, 2026.

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