Apartments for Rent in Alton, IL

Prices and availability in Alton, IL were last updated on 24 May 2026.

The best apartments in Alton, IL are: Marian Heights, Sunnybrook - Operating, 1106 George St, Unit 1106, 5090 Humbert Rd and 602 Sheppard St.

The average rent in Alton, IL is $880.

In Alton, 40% of the residents are renting compared to 60% owning a home, according to data from the U.S. Census Bureau. Large-scale apartment buildings with more than 50 units represent 12% of Alton's rentals, 32% are small-scale complexes with under 50 units, and 52% are single-family rentals.

The age and size of multifamily buildings are among the most visible characteristics of the rental market in a city. In this case, the apartment buildings in Alton are about 47 years old, on average. Of these, 18% have been built since 2000, representing the newer options on the market and typically offering more amenities. Rental buildings in the city have an average height of 3 stories. About 72% of the rental communities here are low-rise, garden-style communities, 28% are mid-rises, and none are high-rise buildings. These are true especially for large-scale multifamily buildings with over 50 apartments.

Rental apartments in Alton come in a range of sizes and floorplans. Studio apartments represent 2% of units for rent, ideal for singles, renters on a budget and people who value central locations more than space. Rentals with 1-bedroom floorplans make up 50% of the total apartments in the city, while 2-bedroom floorplans represent around 30% of all rentals in Alton. The rest are larger floorplans with 3 bedrooms or more, typically preferred by families, larger households or roommates sharing space.