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Illinois

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Illinois is a state in the Midwestern United States bordered by Lake Michigan and the Mississippi and Wabash-Ohio rivers. Admitted to the Union in 1818 as the 21st state, its capital is Springfield while Chicago, its largest city, anchors the state's economy.

Facts
Capital
Springfield 1
Population
12,719,141 1
2025 estimate from Illinois's own Wikipedia infobox.
Population Estimate Year
2025 1
Area (sq km)
149,997 1
Admission Year
1818 1
Admitted to the Union December 3, 1818 (21st state), per the infobox.
Latitude
40 degrees north 1
Longitude
89 degrees west 1
Cross-Tradition Connections

Adjacent To

Associated With

Chicago, Cities

Chicago is the most populous city in the U.S. state of Illinois.

Source Chicago (Wikipedia)
Springfield, Cities

Springfield is in the U.S. state of Illinois.

United States, Countries

Illinois is a state of the United States.

Has Capital

Springfield, Cities

Springfield is the capital of Illinois.

On Continent

Sources
1. Illinois (Wikipedia)
Wikimedia FoundationInfobox, capital
Quote, Infobox, capital
Capital Springfield
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1. Illinois (Wikipedia)
Wikimedia FoundationInfobox, population
Quote, Infobox, population
Population (2025) Total 12719141
View the Source
1. Illinois (Wikipedia)
Wikimedia FoundationInfobox, area
Quote, Infobox, area
Area Total 149997 km2
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1. Illinois (Wikipedia)
Wikimedia FoundationInfobox, admitted to the union
Quote, Infobox, admitted to the union
Admitted to the Union December 3, 1818 (21st)
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1. Illinois (Wikipedia)
Wikimedia FoundationPage header, coordinates
Quote, Page header, coordinates
wgCoordinates lat 40, lon -89
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1. Illinois (Wikipedia)
Wikimedia FoundationIntroduction
Quote, Introduction
Illinois is a state in the Midwestern United States.
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1. Illinois (Wikipedia)
Wikimedia FoundationAdjacent To: Kentucky, Lead section, borders Kentucky
Quote, Adjacent To: Kentucky, Lead section, borders Kentucky
This marks the beginning of Illinois's southern border with Kentucky, which runs along the northern shoreline of the Ohio River. Most of the western border with Missouri and Iowa is the Mississippi River.
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1. Illinois (Wikipedia)
Wikimedia FoundationAdjacent To: Missouri, Lead section, borders Missouri
Quote, Adjacent To: Missouri, Lead section, borders Missouri
This marks the beginning of Illinois's southern border with Kentucky, which runs along the northern shoreline of the Ohio River. Most of the western border with Missouri and Iowa is the Mississippi River.
View the Source
1. Illinois (Wikipedia)
Wikimedia FoundationAdjacent To: Iowa, Lead section, borders Iowa
Quote, Adjacent To: Iowa, Lead section, borders Iowa
This marks the beginning of Illinois's southern border with Kentucky, which runs along the northern shoreline of the Ohio River. Most of the western border with Missouri and Iowa is the Mississippi River.
View the Source
Chicago (Wikipedia)
Wikimedia FoundationAssociated With: Chicago, Lead section, state fact
Quote, Associated With: Chicago, Lead section, state fact
Chicago is the most populous city in the U.S. state of Illinois and in the Midwestern United States.
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Indiana (Wikipedia)
Wikimedia FoundationAdjacent To: Indiana, Lead section, borders Illinois
Quote, Adjacent To: Indiana, Lead section, borders Illinois
It borders Lake Michigan to the northwest, Michigan to the north and northeast, Ohio to the east, the Ohio River and Kentucky to the south and southeast, and the Wabash River and Illinois to the west.
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Wisconsin (Wikipedia)
Wikimedia FoundationAdjacent To: Wisconsin, Lead section, borders Illinois
Quote, Adjacent To: Wisconsin, Lead section, borders Illinois
It borders Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north.
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