what county is centralia illinois
Centralia is a town located in Marion, Washington, Clinton, and Jefferson Counties in the U.S. state of Illinois. The population was 13,032 at the 2010 census. The town was founded because it was the point where the two original branches of the Illinois Central Railroad, built in 1853, converged.
Centralia is located approximately 60 miles (100 km) east of St. Louis, Missouri. It is on the border of south-west Marion County with portions of the city located in Clinton, Washington and Jefferson counties, and is 10 miles (16 km) north of exit 61 of I-64 and 10 miles (16 km) west of exit 109 of I-57.