Apartments for Rent in Ottawa, IL

Prices and availability in Ottawa, IL were last updated on 1 Jun 2026.

The best apartments in Ottawa, IL are: 307 East Superior Street and 709 Webster St.

In Ottawa, 30% of the residents are renting compared to 70% owning a home, according to data from the U.S. Census Bureau. Large-scale apartment buildings with more than 50 units represent 11% of Ottawa's rentals, 60% are small-scale complexes with under 50 units, and 29% 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 Ottawa are about 0 years old, on average. Of these, none 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 0 stories. About none of the rental communities here are low-rise, garden-style communities, none 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 Ottawa come in a range of sizes and floorplans. Studio apartments represent 0% 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 0% of the total apartments in the city, while 2-bedroom floorplans represent around 0% of all rentals in Ottawa. The rest are larger floorplans with 3 bedrooms or more, typically preferred by families, larger households or roommates sharing space.