Welcome to our OFallon Relocation Guide. Find everything from real estate and relocation information, to home loans, career information, schools, insurance, apartments and rentals and...
OFallon Relocation Guide
O’Fallon is located in Saint Clair County 83 miles (as the crow flies) from Springfield, Illinois. It has a population of 16,073 residents and covers over 15 square kilometers of land.