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Madison County, Ohio

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Madison County, Ohio Map

A detailed map of Madison County. Click on a nearby County to view more information about that County. County boundaries are from the U.S. Census Bureau's 2025 TIGER/Line files.

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Map of Townships in Madison County, Ohio

An interactive map of county subdivisions in Madison County. In Ohio, that can include Townships and Villages. Boundaries are from the U.S. Census Bureau's 2024 TIGER/Line files. Find what township you are in now.

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Map of Counties in Ohio

An interactive map of Counties in Ohio. Click on a County to view more information about that County. County boundaries are from the U.S. Census Bureau's 2025 TIGER/Line files.

About Madison County, Ohio

Madison County is a county located in the central portion of the U.S. state of Ohio. As of the 2020 census, the population was 43,824. Its county seat is London. The county is named for James Madison, President of the United States and was established on March 1, 1810. Madison County is part of the Columbus, OH Metropolitan Statistical Area.

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This site has an interactive map of Ohio Counties. Click on the map to find your Ohio county, and view more details. You can also search for your address and use your GPS to find your Ohio County.

Find what County you are in, and see official Ohio County resources and information. Find any county in the United States, 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.

Snow Totals in Madison County, Ohio

See recent snowfall, snow depth, and records for each city and town in Madison County, Ohio.

About this data

State and county boundaries
TIGER/Line Shapefiles: States, Counties and ZIP Code Tabulation Areas (2025), U.S. Census Bureau. Boundaries of states, counties and ZIP Code Tabulation Areas, the Census Bureau's areas for ZIP codes. Updated
County subdivision boundaries
TIGER/Line Shapefiles: County Subdivisions and Places (2024), U.S. Census Bureau. Boundaries of towns, townships, cities and villages. Updated
County list
Cartographic Boundary Files: Counties (2024), U.S. Census Bureau. County names and extents, with Wikipedia links from Wikidata. Updated