The coroner's office was called shortly after 12:30 p.m. to a home on Elizabeth Street, McDonough County Deputy Coroner Steve Carson said.
The name and details of the woman's death were not released.
Carson said he expects more information after an autopsy scheduled for 12:30 p.m. Wednesday.
â??We just don't want to put out too much information until family has had a chance to talk to the rest of the family,â?? Carson said.
Officials at the McDonough County Sheriff's Office could not be reached for comment as of 7 p.m. Tuesday.