Search results
Marion County is a county located in the U.S. state of Illinois. According to the 2020 census, it had a population of 37,729. [1] Its county seat is Salem. [2] Marion County comprises the Centralia, IL Micropolitan Statistical Area, which is included in the St. Louis-St. Charles-Farmington, MO-IL Combined Statistical Area.
Marion County, Illinois. I would personally like to welcome you to our new Marion County Board website. This website is long overdue and we truly welcome you as you visit this site. The intention is to inform you of upcoming meetings of which your attendance is more than welcome.
The Circuit Clerk’s office is committed to serving the citizens of Marion County and all participants in the judicial system in a timely, efficient, and competent manner. All services, information, and court records will be provided with courtesy.
In 2022, Marion County, IL had a population of 37.5k people with a median age of 41.9 and a median household income of $59,099. Between 2021 and 2022 the population of Marion County, IL declined from 37,781 to 37,543, a −0.63% decrease and its median household income grew from $53,209 to $59,099, a 11.1% increase.
Salem was founded in 1823 as the county seat of the newly formed Marion County. It is situated halfway between the Indiana and Missouri borders on what was originally the Vincennes - St. Louis Road, now U.S. Highway 50 .
The city of Marion is the county seat of Williamson County, Illinois, United States. [3] The population in Marion, IL was 16,855 according to the 2020 census. It is part of a dispersed urban area that developed out of early 20th-century coal fields.
We invite you to visit the Marion County Supervisor of Assessments Office weekdays 8:00 a.m. to 4:00 p.m. or call us at (618) 548-3853. Our staff is happy to answer questions regarding the assessment process, available exemptions and the verification of property ownership. Aerial maps can be viewed and printouts can be purchased.
