Clark County Illinois - Government Site
Population: 16,987
Area: 502 square miles
County Seat: Marshall
Area Code(s) in use: 217
Time Zone: CST
Adjacent counties:
Coles Crawford Cumberland Edgar Jasper Sullivan (IN) Vigo (IN)
Airport
Casey Municipal Airport, Kibler Airport
Bridge
Twin Bridges
Building
Anderson Townhall, Casey City Building, Casey Township Library, Clark County Courthouse, Clark County Museum, Marshall City Hall, Marshall Public Library
Cemetery
Arbuckle Cemetery, Asbury Cemetery, Ashley Cemetery, Aubury Church Cemetery, Auer Family Cemetery, Bailff Cemetery, Baird Barr Cemetery, Baptist Cemetery, Baughman Cemetery, Bean Cemetery, Bennett Cemetery, Big Creek Cemetery, Black Cemetery, Blackburn Cemetery, Blackhawk Mass Grave, Blizzard Cemetery, Blizzard Family Cemetery, Bluegrass Cemetery, Briscoe Cemetery, Bubeck Cemetery, Buckner Cemetery, Butternut Cemetery, Casey City Cemetery, Cass Cooper Cemetery, Clarksville Baptist Cemetery, Connelly Cemetery, Conrad Baptist Cemetery, Cumberland Baptist Cemetery, Cumberland Baptist Cemetery, Cumberland Cemetery, Cupps Cemetery, Darwin Cemetery, Davis Cemetery, Dean Cemetery, Dennison Cemetery, Dugger Cemetery, Dunlap Cemetery, Ellsworth Cemetery, Ennis Cemetery, Evans Cemetery, Farris Cemetery, Filloon Cemetery, Forsythe Cemetery, Fox Cemetery, Fox Family Cemetery, Gard Cemetery, Good Hope Cemetery, Green Moss Cemetery, Hall Cemetery, Harrison Cemetery, Hogue Cemetery, Indian Burial Ground, Island Grove Cemetery, Janney Cemetery, Johnson Cemetery, Kale Cemetery, Kenderdine Cemetery, Kettering Cemetery, Kickapoo Cemetery, Kohl Cemetery, Liberty Cemetery, Lichtenberger Cemetery, Liffick Cemetery, Liffick Cemetery, Lincoln Cemetery, Lindsay Cemetery, Livingston Cemetery, Mackey Cemetery, Maple Hill Cemetery, Marshall Cemetery, Marshall City Cemetery, Martinsville City Cemetery, McDaniel Cemetery, Medsker Cemetery, Methodist Cemetery, Mitchell Cemetery, Mound Cemetery, Mound Cemetery, Mount Olive Cemetery, Mount Olive Cemetery, Mount Pleasant Cemetery, New Haddix Cemetery, New Home Cemetery, Norton Cemetery, Ohio Cemetery, Old Haddix Cemetery, Olive Branch Cemetery, Parlow Cemetery, Plymouth Cemetery, Renner Family Cemetery, Restitution Cemetery, Robinson Cemetery, Rupp Cemetery, Saint Marys Cemetery, Saint Paul Cemetery, Schlosser Slosser Cemetery, Schumacher Cemetery, Shawler Cemetery, Shiloh Cemetery, Shott Cemetery, Slusser Cemetery, Taylor Cemetery, Thompson Cemetery, Tomlinson Cemetery, Tomlinson Cemetery, Wallace Cemetery, Walnut Cemetery, Walnut Prairie Cemetery, Washington Cemetery, Welsh Ennis Cemetery, Wesley Chapel Cemetery, Willis Chapel Cemetery, York Cemetery, Ziegler Cemetery
Channel
York Cutoff
Church
Apostolic First Church of Jesus Christ, Armstrong United Methodist Church, Asbury United Methodist Church, Baptist Church of Martinsville, Brick United Methodist Church, Casey Church of Christ, Casey Cumberland Presbyterian Church, Casey First Church of the Nazarene, Central Southern Baptist Church, Church of Christ, Community Christian Church, Concordia Lutheran Church, Cooper Chapel, Craig Chapel (historical), Dunlap United Methodist Church, Emmanuel United Methodist Church, Faith Church, First Baptist Church, First Christian Church, First Church of Christ Scientist, First Congregational Church, First United Methodist Church, First United Pentecostal Church, Five Points Christian Church, Freedom Baptist Church, Green Moss Church, Hopewell Church (historical), Island Grove Church, Marshall Baptist Church, Marshall Church of the Nazarene, Marshall Full Gospel Church, Martinsville Bible Church, Martinsville Christian Church, Martinsville United Methodist Church, Mount Church, Mount Olive Baptist Church, Mount Olive Church, Mount Olive Church (historical), Mount Pleasant Church, New Providence Church, Ohio Chapel, Olive Branch Church, Olive Church, Potters Hall Church, Restitution Church, Richwood Church, Saint Charles Catholic Church, Saint Marys Catholic Church, Saint Paul Church, Salem Church (historical), Shiloh Church (historical), Shiloh Church (historical), Trinity Lutheran Church, Trinity United Methodist Church, Walnut Chapel, Wesley Chapel, Wesleyan Church, Wesleyan Church of Marshall, West Side Church of Christ, Willis Chapel, Willow Creek Church, Zion United Methodist Church, Zoar Church (historical)
Civil
Clark County, Township of Anderson, Township of Auburn, Township of Casey, Township of Darwin, Township of Dolson, Township of Douglas, Township of Johnson, Township of Marshall, Township of Martinsville, Township of Melrose, Township of Orange, Township of Parker, Township of Wabash, Township of Westfield, Township of York
Crossing
Blizzard Ford, Connelly Ford, Interchange 129, Interchange 136, Interchange 147, Interchange 154, Narrows Ferry (historical), Taylor Ford, Vandalia Crossing, Waters Ford, York Ferry (historical)
Dam
Craig Lake Dam, Illinois No Name Number 2043 Dam, Lincoln Trail State Park Lake Dam, Martin Tarble Lake Dam, Mill Creek Structure Number 2 Dam, Mill Creek Structure Number 3 Dam, Mill Creek Watershed Structure Number 1 Dam, Mill Creek Watershed Structure Number 6 Dam, Mill Creek Watershed Structure Number 7 Dam, Newmans Lake Dam, Robert Lashbrook Pond Dam, Round Grove Sportsman Lake Dam, Sherwood Forest Lake Dam, Snake Trail Campground Lake Dam
Flat
The Rocks Park
Hospital
Cork Medical Center, Hearthland Manor Nursing Center, Tri-County Clinic
Lake
Ingle Pond
Locale
Bohn Ferry (historical), Casey Country Club, Darwin Ferry, Grand Turn, Lakeside Campground, Maple Grove Picnic Area, Oak Ridge Picnic Area, Plainview Campground, Red Oak Picnic Area, Sassafras Picnic Area, Sweet Gum Lane Picnic Area, White Oak Picnic Area
Mine
North Quarry Number 305
Oilfield
North Johnson Oil Field, South Johnson Oil Field
Park
American Beech Woods Nature Preserve, Clark County Fairgrounds, Fairview Park, Lincoln Trail State Park, Mill Creek County Park, Rocky Branch Nature Preserve, West Union Park
Populated Place
Adenmoor, Allright, Casey, Castle Fin, Choctaw, Clark Center, Clarksville, Cleone, Cumberland, Darwin, Dennison, Doyles, Ernst, Farrington, Fox Run, Golf Lakes, Griffin (historical), Hogue Town, Livingston, Marshall, Martinsville, McKeen, Melrose, Moonshine, Moriah, Neadmore, Oak Point, Oakcrest, Oilfield, Orange, Patton, Snyder, Walnut Prairie, Weaver, Weir, West Union, Westfield, York
Post Office
Dennison Post Office, Marshall Post Office, Martinsville Post Office, West Union Post Office, Westfield Post Office
Reservoir
Craig Lake, Craig Lake, Illinois No Name Number 2043 Reservoir, Lincoln Trail State Park Lake, Martin Tarble Lake, Mill Creek Impoundment Number 2 Reservoir, Mill Creek Watershed Impoundment Reservoir, Mill Creek Watershed Impoundment Reservoir, Mill Creek Watershed Impoundment Reservoir, Newmans Lake, Robert Lashbrook Pond, Round Grove Sportsman Lake, Sherwood Forest Lake, Snake Trail Campground Lake
School
Abraham Lincoln School (historical), Avon School (historical), Baggs School (historical), Bartmess School (historical), Bethel School (historical), Blackhawk School (historical), Bluegrass School (historical), Briscoe School (historical), Brossman School (historical), Casey-Westfield High School, Choctaw School (historical), Cole School (historical), Concord School (historical), Cottonwood School (historical), Crow School (historical), East Liberty School, East McDaniel School (historical), Eckels School (historical), English School (historical), Fishbach School (historical), Five Points School (historical), Freedom School (historical), Frog Pond School (historical), Germany School (historical), Green Moss School (historical), Hall School (historical), Jackson School (historical), Jeff Davis School (historical), Johnson School (historical), Kelly School (historical), Kendall School (historical), Kile School (historical), Kimlin School (historical), Lee School (historical), Liberty School (historical), Liberty School (historical), Liberty Square School (historical), Lindsay School (historical), Marshall Junior High School, Martinsville Elementary School, Martinsville High School, McClure School (historical), Monroe Elementary School, Mozart School (historical), North Elementary School, North Side School, Oak Grove School (historical), Oak Leaf School (historical), Ohio School, Ohio School (historical), Orange School (historical), Perisho School (historical), Pikes Peak School (historical), Pilgrim Evangelistic School, Pleasant Grove School (historical), Pleasant Grove School (historical), Pleasant Hill School (historical), Possum Ridge School (historical), Prairie School (historical), Rabbit Ridge School (historical), Richwood School (historical), Roosevelt Elementary School, Round Grove School (historical), Sassafras School (historical), School Number 1 (historical), School Number 3 (historical), Sherman School (historical), Siverly School (historical), South Elementary School, Spiketown School (historical), Spott School (historical), Stringtown School (historical), Stump School (historical), Toner School (historical), Union School (historical), Washington School (historical), Washington School (historical), West Liberty School (historical), White Oak School (historical), Woodlawn School (historical)
Stream
Ashmore Creek, Auburn Branch, Big Creek, Blackburn Branch, Bluegrass Creek, Brushy Branch, Crooked Creek, Crooked Creek, Crooked Creek, Dog Run, Doyles Creek, East Fork Creek, East Little Creek, East Mill Creek, Ennis Creek, Fox Creek, Haw Branch, Hawks Creek, Hawks Creek, Hawks Creek, Hurricane Creek, Indian Branch, Joes Fork, Johnson Branch, Ketterina Branch, Lambs Branch, Lick Branch, Lindsay Branch, Little Creek, Little Creek, Little Creek, Little Willow Creek, Martin Branch, McNary Branch, Mill Creek, Mill Creek, Mount Branch, Neely Creek, Norman Branch, North Fork Raccoon Creek, Partridge Creek, Quarry Branch, Raccoon Creek, Rattlesnake Creek, Rocky Branch, Sandy Branch, Sevenmile Creek, Slater Creek, Snakeden Branch, Snyder Creek, Sugar Creek, Turkey Run, West Fork Big Creek, West Fork Creek, Willis Branch
Summit
Lost Hill
Tower
WCBH-FM (Casey), WKZI-AM (Casey), WMMC-FM (Marshall)
Trail
Lincoln Heritage Trail
Valley
Rocky Hollow
Woods
Round Grove (historical), Scattering Grove (historical), Wever Grove (historical)
| Race | Population |
| White |  16,748 |
| Mixed | 110 |
| Black | 68 |
| American Indian | 32 |
| Asian | 24 |
| Hawaiian & Pacific Islander | 5 |
| Additional population tables : | |
| State population table | |
| Illinois population by county | |