The town's original name was Cynthyana.
The former Monitor schoolhouse was used as a drug addiction treatment facility until 2007. In 2010 it was set on fire in an arson incident.
Monitor is located at 40°25'11" North, 86°45'24" West (40.419722, -86.756667) and has an elevation of approximately 589 feet.
- Schumpert, Larry (1969-03-04). "Old Tippecanoe Towns Brought To Mind By Yorktown Demise". Lafayette Journal and Courier.
- "Man arrested in fire case". WLFI. 2010-06-26.