File:London-ohio-courthouse.jpg · Wikimedia Commons · See Wikimedia Commons
Madison County
Sign in to saveAlso known as Madison County, Ohio, Madison County, OH
county in Ohio, United States
Key facts
- Country
- United States
- State
- Ohio
- Founded
- February 16, 1810
- Named after
- James Madison
- Seat
- London
- Largest city
- London
- Total
- 467 sq mi (1,210 km )
- Land
- 466 sq mi (1,210 km )
- Water
- 0.8 sq mi (2.1 km ) 0.2%
- Estimate 2025
- 46,985
- Density
- 94.0/sq mi (36.3/km )
- Time zone
- UTC−5 ( Eastern )
- Summer dst
- UTC−4 ( EDT )
- Congressional district
- 15th
- Website
- www .co .madison .oh .us
via Wikipedia infobox
Wikidata facts
- Population
- 43824
- Area
- 1207
- Official website
- www.co.madison.oh.us
- Image
- London-ohio-courthouse.jpg
- Households
- 15017
- Licence plate code
- 49
Show 5 more facts
- Commons category
- Madison County, Ohio
- inception
- 1810-02-16
- water as percent of area
- 0.2
- native label
- Madison County
- per capita income
- 29885
Sources (12)
via Wikidata · CC0
~9 min read
Article
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.
History
Gallery (5)
On the map
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African Americans
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United States Census Bureau
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Native Hawaiians
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list of counties in Ohio
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race and ethnicity in the United States Census
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Columbus metropolitan area
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Franklin D. Roosevelt
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maize
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Ohio
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marriage
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agriculture
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time zone
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Lyndon B. Johnson
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geographic coordinate system
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James Madison
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butter
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Columbus
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Republican Party (United States)
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President of the United States
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Cleveland
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