Population15,455 (2020 Census)
Historic Roads Connect Towns Along the Wabash
Clark County, IllinoisMarshall anchors a county along the Indiana border, where the Wabash River and the National Road corridor give the landscape a distinctive eastward connection. This guide brings together a starting point for county information, public services and local connections. Begin with Marshall, then use the resource links to plan the details of a visit or an everyday errand. Check directly with each provider for current hours, access and service availability before setting out.
Clark County at a Glance
Population15,455 (2020 Census)
County SeatMarshall
Largest MunicipalityMarshall
Established1819
ZIP Codes9 ZIP codes wholly or partly within the county (checked October 4, 2026)
Total Area504.8 sq mi (land and water; 2020 Census geography)
Major RoutesInterstate 70; U.S. Route 40; Illinois Route 1; Illinois Route 49
Area Codes217 / 447 (common local area codes)
Meet Your County Advertisers
Local Connections for Everyday Needs
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Discover Clark County
Clark County
Created from Crawford County in 1819, the county once extended much farther north. Later county divisions brought it toward its present boundaries. Today, Marshall remains the county seat, while Marshall is its largest municipality. The 2020 Census counted 15,455 residents across the county. Its towns and surrounding countryside offer different ways to understand the same place: through public buildings, transportation routes and the communities that connect them. Local records and historical collections provide a starting point for exploring how those connections changed over time.
Life in Clark County extends beyond a single town center. Border towns and historic travel routes are part of the local setting, alongside the routine needs of households, schools and businesses. Use county offices for the services they administer and contact municipal or township offices when a question concerns a specific address. Planning around the actual destination helps make visits, appointments and local errands more practical, especially when travel crosses town or county boundaries.
What Shapes Us
Local Heritage
Established in 1819, Clark County has a history recorded in its communities and public institutions. Start with local collections to explore specific people, buildings and events.
Landscape and Connections
Border towns and historic travel routes help distinguish Clark County. Its county seat, Marshall, provides a useful starting point for understanding how nearby communities connect across the area.
Everyday Community
County and local offices connect residents with practical services. Follow the linked providers for details specific to your destination, address and purpose in Clark County.
Explore the towns, follow the stories, make local connections.
A Look Around
Scenes from Clark County
Places and details that tell a local story.
WTHI-TV
Car passes stopped school bus, hits child in Clark County
Read the full story at WTHI-TV.
Read the Story Oct 13, 2026 • Local news
Around Clark County
Stories from every corner of Clark County.
Car passes stopped school bus, hits child in Clark County
Read the full story at WTHI-TV.
Oct 13, 2026 • Local news
Foundation donates grain rescue tube to Clark County Fire Department
Read the full story at MyWabashValley.com.
Oct 7, 2026 • Local news
Man accused of assaulting victim with knife in Clark County
Read the full story at WTHI-TV.
Sep 2, 2026 • Local news
Police in Clark County seek suspects in Westfield Cafe burglary
Read the full story at WTHI-TV.
Aug 21, 2026 • Local news
Keep These Businesses in Mind
Start with a Direct Conversation
Contact Moore Roofing & Construction, Rain-bow Seamless Guttering directly to ask about current options, availability and the services you need.
County Resources
Find the Right Local Connection
Start with the responsible public agency or service provider. Statewide links are labeled so you can locate the office that serves your address.
Government
County & Local Resources
Supervisor of Assessments
Property assessments, exemptions and assessment office information.
Phone (217) 826-5815
Schools
County & Local Resources
Hospitals and Health
County & Local Resources
Crawford Memorial Hospital
Regional option in Crawford County
Address 1000 NORTH ALLEN STREET, Robinson
Phone (618) 544-3131
Paris Community Hospital
Regional option in Edgar County
Address 721 E COURT STREET, Paris
Phone (217) 465-4141
Sarah Bush Lincoln Health Center
Regional option in Coles County
Address 1000 HEALTH CENTER DRIVE P O BOX 372, Mattoon
Phone (217) 258-2513
Lawrence County Memorial Hospital
Regional option in Lawrence County
Address 2200 STATE ST, Lawrenceville
Phone (618) 943-1000
Carle Richland Memorial Hospital
Regional option in Richland County
Address 800 EAST LOCUST STREET, Olney
Phone (618) 395-2131
Public Safety
County & Local Resources
Illinois State Police
Statewide or federal resource; select the office or service for your address.
Illinois State Police contacts
Find the appropriate State Police contact; call 911 for emergencies.
FBI Internet Crime Complaint Center
Report cyber-enabled crime through the federal complaint portal; emergencies require 911.
Emergency Services
County & Local Resources
Illinois Emergency Management Agency and Office of Homeland Security
Statewide or federal resource; select the office or service for your address.
National Weather Service
Statewide or federal resource; select the office or service for your address.
State Parks
County & Local Resources
Fox Ridge State Park
Charleston — regional option in Coles County. Check facilities and access notices.
Red Hills State Park
Sumner — regional option in Lawrence County. Check facilities and access notices.
Shelbyville State Fish and Wildlife Area
Bethany — regional option in Moultrie County. Check facilities and access notices.
Wolf Creek State Park
Windsor — regional option in Shelby County. Check facilities and access notices.
Sam Dale Lake Conservation Area
Johnsonville — regional option in Wayne County. Check facilities and access notices.
Trails
County & Local Resources
Blackhawk Park
Paris — regional option in Edgar County. Check trail access and permitted uses.
Lake View Park Trail
Charleston — regional option in Coles County. Check trail access and permitted uses.
Newton Lake State Fish and Wildlife Area
Newton — regional option in Jasper County. Check trail access and permitted uses.
Sam Parr State Fish & Wildlife Area
Newton — regional option in Jasper County. Check trail access and permitted uses.
Ballard Nature Center
Altamont — regional option in Effingham County. Check trail access and permitted uses.
Utilities
County & Local Resources
Illinois Commerce Commission
Statewide or federal resource; select the office or service for your address.
Illinois 811 — JULIE
Statewide or federal resource; select the office or service for your address.
Illinois energy assistance
Find utility-bill assistance and the local administering agency.
Libraries
County & Local Resources
Marshall Area Public Library District
Address 612 Archer Avenue Marshall , IL 62441-1268
Phone 217-826-2535
Martinsville Public Library District
Address 120 East Cumberland Street Martinsville , IL 62442-0190
Phone 217-382-4113
Chrisman Public Library
Regional library in Edgar County; check borrowing eligibility
Address 108 North Illinois Street Chrisman , IL 61924-1001
Phone 217-269-3011
Courts
County & Local Resources
Illinois Courts
Statewide or federal resource; select the office or service for your address.
Illinois Courts — Forms
Statewide or federal resource; select the office or service for your address.
Illinois Court Help
Court-process information and help for people without an attorney.
DMV
County & Local Resources
Transportation
County & Local Resources
Illinois Department of Transportation
Statewide or federal resource; select the office or service for your address.
Getting Around Illinois
Statewide or federal resource; select the office or service for your address.
Illinois public transportation
Find public transportation information and regional agencies.
IDOT transit programs
Transit program information, including rural and intercity services.
Amtrak Illinois services
Find Illinois intercity rail routes and stations; some counties require travel to a regional station.
Postal Services
County & Local Resources
USPS Location Finder
Statewide or federal resource; select the office or service for your address.
USPS ZIP Code Lookup
Statewide or federal resource; select the office or service for your address.
USPS Informed Delivery
Statewide or federal resource; select the office or service for your address.
Veterans
County & Local Resources
Illinois Department of Veterans Affairs
Statewide or federal resource; select the office or service for your address.
VA Facility Locator
Statewide or federal resource; select the office or service for your address.
Veterans Crisis Line
Statewide or federal resource; select the office or service for your address.
Employment
County & Local Resources
IllinoisJobLink — official job-seeker help
Statewide or federal resource; select the office or service for your address.
Illinois Department of Employment Security
Statewide or federal resource; select the office or service for your address.
Illinois workNet
Statewide or federal resource; select the office or service for your address.
Work for Illinois
Statewide or federal resource; select the office or service for your address.
A Useful Starting Point
County facts and practical links for everyday questions.
Questions and Answers
Get to Know Clark County
Find background and service information below, then follow the provider links for current details.
Marshall is the county seat. Clark County Government provides county office information; check the office destination before traveling.
Marshall is the largest municipality listed in the county reference. Countywide statistics include other communities and unincorporated areas as well.
The 2020 Census counted 15,455 residents. This is a decennial count, not a current-year population estimate.
Clark County was established in 1819. Created from Crawford County in 1819, the county once extended much farther north. Later county divisions brought it toward its present boundaries.
The county covers approximately 504.8 sq mi (land and water; 2020 Census geography). This total includes both land and water, rather than land area alone.
Marshall anchors a county along the Indiana border, where the Wabash River and the National Road corridor give the landscape a distinctive eastward connection.
Douglas-Hart Nature Center is in Mattoon, Coles County. This is a regional option outside Clark County. Check the provider’s current opening times and visitor information before traveling.
Use USPS ZIP Code Lookup with the full street address. A county boundary does not define a single postal delivery area.
Fox Ridge State Park is in Charleston, Coles County. This is a regional option outside Clark County. Check the provider’s current opening times and visitor information before traveling.
Fox Ridge State Park is in Charleston, Coles County. This is a regional option outside Clark County. Basic access is the free activity; extras may carry charges. Check the provider’s current opening times and visitor information before traveling.
Begin with the Illinois Department of Veterans Affairs to locate the appropriate service office, or the VA facility locator for federal facilities.
Meet Your County Advertisers
Local Connections for Everyday Needs
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My Local Guide
Find Something Fun
Explore Local PlacesPlan your next stop around current information from each place.
Kids’ Fun
- Douglas-Hart Nature Center — Mattoon — regional option in Coles County
- Ballard Nature Center — Altamont — regional option in Effingham County
- Prairie Farm — Champaign — regional option in Champaign County
Restaurants
- Andrew's at the Westbrook — Paris — regional option in Edgar County
- Savoia's Pizza — Paris — regional option in Edgar County
- Monical's Pizza – Paris — Paris — regional option in Edgar County
Shopping & Retail
- Clover Field Market — Marshall, Clark County
- Copper Eagle — Charleston — regional option in Coles County
- Mullen's Dressing — Palestine — regional option in Crawford County
Clothing & Boutiques
- Clover Field Market — Marshall, Clark County
- Legacy Harley Davidson — Effingham — regional option in Effingham County
- Daisies and Denim — Effingham — regional option in Effingham County
Outdoor Fun
- Fox Ridge State Park — Charleston — regional option in Coles County
- Blackhawk Park — Paris — regional option in Edgar County
- Lake View Park Trail — Charleston — regional option in Coles County
Free Things To Do
- Fox Ridge State Park — Charleston — regional option in Coles County; basic grounds/trail visit. Rentals, camping, special activities or events may cost extra.
- Douglas-Hart Nature Center — Mattoon — regional option in Coles County; basic grounds/trail visit. Rentals, camping, special activities or events may cost extra.
- Red Hills State Park — Sumner — regional option in Lawrence County; basic grounds/trail visit. Rentals, camping, special activities or events may cost extra.
Make Time for Local DiscoveriesChoose Your Next Stop