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Mason County, Illinois
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Mason County, Illinois Map
An detailed map of Mason County. Click on a nearby County to view more information about that County.
Map of Townships in Mason County, Illinois
An interactive map of county subdivisions in Mason County. In Illinois, that can include Townships, Precincts, and Villages. Find what township you are in now.
Map of Counties in Illinois
An interactive map of Counties in Illinois. Click on a County to view more information about that County.
About Mason County, Illinois
Mason County is a county in the U.S. state of Illinois. According to the 2020 census, it had a population of 13,086. Its county seat is Havana. The county is named in honor of George Mason, a member of the Virginia legislature who campaigned for the adoption of the United States Bill of Rights.
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This site has an interactive map of Illinois Counties. Click on the map to find your Illinois county, and view more details. You can also search for your address and use your GPS to find your Illinois County.
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