O'Fallon
O'Fallon (City, Illinois, United States): population 32,262 (2024), median household income US$105,982 (2024), 16.7% aged 65+, unemployment 3.7%. Charts for every census 1990–2024, compared with Illinois and United States.
O'Fallon (City, Illinois, United States): population 32,262 (2024), median household income US$105,982 (2024), 16.7% aged 65+, unemployment 3.7%. Charts for every census 1990–2024, compared with Illinois and United States.