Johnson County, Administrative county in southern Illinois, United States.
Johnson County spans 349 square miles of land, featuring rolling hills, forests, and waterways within the Shawnee National Forest region.
The county was established in 1812 from Randolph County territories and named after Richard Mentor Johnson, who later became Vice President.
Local communities maintain agricultural traditions through family farms, producing crops and supporting the regional food production industry.
Vienna serves as the county seat, providing government services and connecting residents through Interstate 24 and Interstate 57 transportation routes.
The county contains sections of the Cypress Creek National Wildlife Refuge, where diverse ecosystems support native plant and animal species.
Location: Illinois
Inception: 1812
Capital city: Vienna
Shares border with: Williamson County, Massac County, Pulaski County, Union County, Saline County, Pope County
GPS coordinates: 37.46000,-88.87000
Latest update: March 4, 2025 20:47
Olmsted Locks and Dam
35.2 km
Giant City State Park
32.4 km
Honeywell Uranium Hexafluoride Processing Facility
33.6 km
Ferne Clyffe State Park
12.6 km
Giant City Stone Fort Site
34.1 km
Dixon Springs State Park
20 km
Panther Den Wilderness
23.4 km
Cache River State Natural Area
13.3 km
Mermet Lake State Fish and Wildlife Area
22.1 km
Lock and Dam Number 53
32.6 km
Heron Pond – Little Black Slough Nature Preserve
12.5 km
Vienna Public Library
5.3 km
Carrier Mills Archaeological District
31.3 km
Stinson Memorial Library
33.7 km
Bell Smith Springs
20 km
Willis Allen House
30.1 km
John Bridges Tavern and Store Site
13.1 km
Lusk Creek Canyon
29.9 km
Johnson County Courthouse
5.6 km
Goddard Chapel
32 km
Campground Church and Cemetery Site
23.7 km
Thompson Brothers Rock Art
32.3 km
Williamson County Courthouse
30.8 km
St. Anne's Episcopal Church
33.8 km
Ed M. Stotlar House
31 km
AMC Classic Illinois Centre 8
33.6 km
Superman statue
36.4 km
Raum Lookout Tower
31.3 kmReviews
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