O'Fallon, Missouri is a part of the St. Charles County Submarket submarket area.
The 2019 average effective rent for Class A, B, and C apartments in the O'Fallon, MO submarket area was $1,047, which is 23.32% higher than 2014 average rent. This represents a compounded annual growth rate of 4.28%. 2019 vacancy in O'Fallon, MO was 3.40%.
The total population of the city of O'Fallon, MO has grown 11.53% since 2010. As of 2018, the population was 88,472. The median household income of the O'Fallon was $87,238, which is 44.69% higher than the national average.