Welcome to the Apartment List August 2026 Rent Report for O'Fallon, MO. Currently, the overall median rent in the city stands at $1,513, after rising 0.8% last month. Prices remain down 0.4% year-over-year. Read on to learn more about what’s been happening in the O'Fallon rental market and how it compares to trends throughout the nation as a whole.
