Macon County Perform a free Macon County, IL public arrest records search, including current & recent arrests, arrest inquiries, warrants, reports, logs, and mugshots. The Macon County Arrest Records Search (Illinois) links below open in a new window and take you to third party websites that provide access to Macon County public records. The Macon County Sheriff's Office Investigations Division is responsible for investigating crimes committed to persons and property within Macon County. The Investigations Division consists of Adult Detectives, Juvenile Detectives, School Resource Officer, Narcotics Officer, and Warrant Officer. The Deputies assigned to this division work day.