City of O’Fallon
City of O’Fallon
100North Main Street
O’Fallon, MO 63366
City Hall: 636-498-6565
Municipal Court: 636-379-5415
Police (non-emergency): 636-240-3200 / Emergency: 911
Website: www.Ofallon.mo.us
O’Fallon Government
| Mayor | Bill Hennessy |
| Councilmember Ward 1 | Dave Hinman |
| Councilmember Ward 1 | Deana Smith (R) |
| Councilmember Ward 2 | Rose Mack |
| Councilmember Ward 2 | Tom “Duke” Herweck |
| Councilmember Ward 3 | Nathan Bibb |
| Councilmember Ward 3 | Dale Kling (R) |
| Councilmember Ward 4 | Jeff Kuehn |
| Councilmember Ward 4 | Jim Ottomeyer (R) |
| Councilmember Ward 5 | Debbie Cook |
| Councilmember Ward 5 | Mike Pheney |