Town · Illinois

Herb Roach

Mayor of O'Fallon, IL

NonpartisanElected 2024Next election 2029

Demographics

Census data for the city

Population: 21,910
Median household income: $102,560
Median age: 37.3
Land area: 15.8 sq mi
Population density: 1,386.7 per sq mi
County: St. Clair County
Metro area: St. Louis, MO-IL

City government

Budget and contact

Annual budget: ~$77M
Official website: www.ofallon.org →

For developers

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