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Madison County

File:Madison_County_Courthouse,_Edwardsville.jpg · Wikimedia Commons · See Wikimedia Commons

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Madison County

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Also known as Madison County, Illinois, Madison County, IL

county in Illinois, United States

Key facts

Country
United States
State
Illinois
Founded
September 14, 1812
Named after
James Madison
Seat
Edwardsville
Largest city
Granite City
Total
741 sq mi (1,920 km )
Land
716 sq mi (1,850 km )
Water
25 sq mi (65 km ) 3.4%
Estimate 2025
263,110
Density
371/sq mi (143/km )
Time zone
UTC−6 ( Central )
Summer dst
UTC−5 ( CDT )
Congressional districts
13th , 15th
Website
www .madisoncountyil .gov

via Wikipedia infobox

Wikidata facts

Named after
James Madison
Located in
Illinois
Contains
Highland
Population
265859
Area
1918
Shares border with
St. Charles County
Official website
www.co.madison.il.us
Image
Madison County Courthouse, Edwardsville.jpg
Households
108429
Show 9 more facts
Commons category
Madison County, Illinois
inception
1812-09-14
category for people born here
Category:Births in Madison County, Illinois
water as percent of area
3.4
native label
Madison County
different from
Madison
per capita income
33599
Sources (11)

via Wikidata · CC0

~10 min read

Encyclopedic overview

Madison County is located in the U.S. state of Illinois. It is a part of the Metro East in southern Illinois. According to the 2020 census, it had a population of 264,776, making it the eighth-most populous county in Illinois and the most populous in the southern portion of the state. The county seat is Edwardsville, and the largest city is Granite City.

Madison County is part of the Metro East region of Greater St. Louis. The pre-Columbian city of Cahokia Mounds, a World Heritage Site, was located near Collinsville. Edwardsville is home to Southern Illinois University Edwardsville. To the north, Alton is known for its abolitionist and American Civil War-era history. It is also the home of the Southern Illinois University School of Dental Medicine. Godfrey, the village named for Captain Benjamin Godfrey, offers Lewis and Clark Community College formerly the Monticello Female Seminary.

Excerpted from Wikipedia’s “Madison County” article, available under the CC BY-SA 4.0 licence.

Gallery (10)

On the map