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Greene County

File:Image_Greene_County_Courthouse.jpg · Wikimedia Commons · See Wikimedia Commons

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Greene County

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Also known as Greene County, Illinois, Greene County, IL

county in Illinois, United States

Key facts

Country
United States
State
Illinois
Named after
Nathanael Greene
Seat
Carrollton
Largest city
Carrollton
Total
546 sq mi (1,410 km )
Land
543 sq mi (1,410 km )
Water
3.3 sq mi (8.5 km ) 0.6%
Estimate 2025
11,313
Density
22.1/sq mi (8.52/km )
Time zone
UTC−6 ( Central )
Summer dst
UTC−5 ( CDT )
Congressional district
15th

via Wikipedia infobox

Wikidata facts

Population
11985
Area
1415
Official website
www.greenecountyil.com
Image
Image Greene County Courthouse.jpg
Households
4984
Show 5 more facts
Commons category
Greene County, Illinois
inception
1821-00-00
water as percent of area
0.6
native label
Greene County
per capita income
27105
Sources (8)

via Wikidata · CC0

~8 min read

Article

Greene County is a county located in the U.S. state of Illinois. According to the 2020 United States census, it has a population of 11,843. Its county seat is Carrollton.

A notable archaeological area, the Koster Site, has produced evidence of more than 7,000 years of human habitation. Artifacts from the site are displayed at the Center for American Archeology in Kampsville, Illinois.

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