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Mercer County, Missouri
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Mercer County, Missouri Map
An detailed map of Mercer County. Click on a nearby County to view more information about that County.
Map of Townships in Mercer County, Missouri
An interactive map of county subdivisions in Mercer County. In Missouri, that can include Townships. Find what township you are in now.
Map of Counties in Missouri
An interactive map of Counties in Missouri. Click on a County to view more information about that County.
About Mercer County, Missouri
Mercer County is a county located in the northwestern portion of the U.S. state of Missouri. As of the 2020 census, the population was 3,538, making it the second-least populous county in Missouri. Its county seat is Princeton. The county was organized February 14, 1845 and named for General John F. Mercer of the Revolutionary War.
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This site has an interactive map of Missouri Counties. Click on the map to find your Missouri county, and view more details. You can also search for your address and use your GPS to find your Missouri County.
Find what County you are in, and see official Missouri 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.