Alton, Illinois — City Overview

Living in Alton, summers are hot, with Jul highs around 87.3°F, while winters are cold — Feb lows average 24.6°F. Winter heating is a real budget factor — 4291 degree days means 4-5 months of meaningful energy bills. Annual rainfall reaches 55.4 inches, mostly summer thunderstorms. Median household income: $49,439. With a 24.5% poverty rate and 57.3% homeownership, the community reflects a stable residential mix. Nearby cities: Bethalto (8mi E), Florissant (10mi SW), Bellefontaine Neighbors (11mi S). Air quality is Moderate — avg AQI 53 over the past week.

View Alton city guide

Updated August 27, 2026.

Get your home essentials, storage, and moving supplies delivered.

Shop Moving Essentials

As an Amazon Associate I earn from qualifying purchases.