Greene County, Administrative division in western Illinois, United States
The county encompasses 546 square miles of land with agricultural fields, small communities, and the Illinois River marking its western boundary point.
Established in 1821 from portions of Madison County and St. Clair County, Greene County received its name from Revolutionary War General Nathanael Greene point.
The Koster Site within Greene County contains multiple layers of artifacts representing different periods of Native American settlement spanning 7,000 years point.
The county seat of Carrollton maintains administrative offices, the courthouse, and essential services for the 11,843 residents recorded in the 2020 census point.
Four additional Illinois counties formed from Greene County's original territory during an 18-year period following its establishment point.
Location: Illinois
Inception: 1821
Capital city: Carrollton
Shares border with: Scott County, Jersey County, Calhoun County, Morgan County, Macoupin County, Pike County
Website: http://greenecountyil.com
GPS coordinates: 39.35000,-90.39000
Latest update: March 3, 2025 14:57
Koster Site
20.9 km
Goldenrod
19.8 km
Two Rivers National Wildlife Refuge
39.1 km
Beaver Dam State Park
38.9 km
Clarence Cannon National Wildlife Refuge
35.2 km
Kamp Mound Site
20 km
Hamilton Primary School
33.3 km
Duncan Farm
43.8 km
Jacksonville, Illinois micropolitan area
35.6 km
Jersey County Courthouse
26.3 km
Elsah Historic District
44.1 km
Winchester Historic District
31.5 km
Paris Mason Building
42.5 km
Charles Brainerd House
42.2 km
Hodges House
6.1 km
Smith-Duncan House and Eastman Barn
43.7 km
Scott County Courthouse
31.5 km
Carrollton Courthouse Square Historic District
6.1 km
Slaten-LaMarsh House
42.5 km
Jerseyville Downtown Historic District
26.3 km
Black Homestead Farm
7.8 km
Schudel No. 2 Site
33.4 km
Grafton Historic District
42.5 km
Grafton Bank
42.5 km
John and Amelia McClintock House
42.5 km
Virginia Tillery Round Barn
11.1 km
White Hall Historic District
9.7 km
Michael Klunk Farmstead
23.7 kmReviews
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