Illinois County Maps

Find Illinois county and township maps.

Mason County, Illinois

Find your Illinois County by searching for your address, or by clicking on the map.

Mason County, Illinois Map

Loading map…

An detailed map of Mason County. Click on a nearby County to view more information about that County.

Locate my Illinois county

Map of Townships in Mason County, Illinois

Loading map…

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.

Locate my Illinois township

Map of Counties in Illinois

Loading map…

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.

View on Wikipedia

What is this?

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.

Find what County you are in, and see official Illinois County resources and information. Find any county in the United Stated, along with resources and links to official County websites. See a County map and local details. Looking for what county you are currently in? Find out on this map or use your device GPS to see what county you are in.