O'Fallon Police Department

| City of O'Fallon, Missouri Login --> Observant. --> O'Fallon on the internet City of O'Fallon Parks & Recreation Renaud Center Heritage & Freedom Fest Select O'Fallon Observant. O'Fallon Police Department Observant | Professional | Dedicated 2023 Annual Report Administrative Division Animal Control / Park Patrol Communications Community Services Criminal Investigation Section Cyber Crime Unit Records School Resource Officers Commend an Officer Contact Police Department Staff CrimeStoppers Submit-A-Tip Form Emergency Management Law Enforcement Training Center Host your training session here! City of O’Fallon Debuts New Website The City of O’Fallon is excited to announce the rollout of our website and domain. Notifications City Calendar Municipal Court Law Enforcement Training Center Learn more Residential Camera Program Learn more CALEA Certification Learn more Commend an Officer Learn more Police Explorer Post 2943 Learn more See what's coming up in O'Fallon Looking for more City events? Non-emergency: (636) 240-3200. Dial 911 for emergencies.

According to the U.S. Census Bureau (ACS 2023), O'Fallon city, MO has an estimated population of 92,697.