Clark County Map, Ohio

Written and Fact-checked by | Updated On: April 30, 2026 | 13:31 ET

Map of Clark County - Clark County is a county located in the U.S. state of Ohio. Clark County Map showing cities, highways, important places and water bodies. Get Where is Clark County located in the map, major cities in Clark county, population, areas, and places of interest.

Map of Clark County, Ohio

Map of Clark County, Ohio

About Clark County Map, Ohio: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.

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About Clark County, Ohio

Clark County is a county located in the U.S. state of Ohio. It's county seat is Springfield. As per 2020 census, the population of Clark County is 135633 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 399.86 sq mi (1,036 km2). Clark County was established on -29889.

Clark County Facts

ContinentNorth America
CountryUnited States
StateOhio
County SeatSpringfield
Largest City/TownSpringfield
Established1818
Total Area399 sq mi
Land Area397 sq mi
Water Area2 sq mi
Population136,001 (Census 2020)
Population Density342 people per sq mi
Time ZoneEastern Time Zone (ET)
Major HighwaysI-70, US-40, US-68, SR-4, SR-72
Neighboring CountiesChampaign County, Madison County, Greene County, Montgomery County, Miami County
Famous ForManufacturing heritage, Wittenberg University, Frank Lloyd Wright architecture
Top AttractionsWestcott House, Buck Creek State Park, Heritage Center Museum, Frank Lloyd Wright sites
Official Websitehttps://www.clarkcountyohio.gov

Cities and Towns in Clark County, Ohio

  • Springfield (county seat) – 58,662 (Census 2020)
  • New Carlisle – 5,735 (Census 2020)
  • South Vienna – 1,041 (Census 2020)
  • Enon – 2,415 (Census 2020)

Roads and Highways in Clark County, Ohio

Clark County is well connected by major highways that link it to Dayton, Columbus, and other parts of Ohio.

  • Interstate 70 (I-70) – runs east-west connecting Springfield to Columbus (east) and Dayton (west)
  • US Highway 40 – parallels I-70 connecting local communities across the county
  • US Highway 68 – runs north-south connecting Springfield to Urbana (north) and Xenia (south)
  • State Route 4 – connects Springfield to Dayton (southwest) and Sandusky (north)
  • State Route 72 – runs north-south connecting Springfield to Cedarville and Sabina

Neighboring Counties of Clark County

  • Champaign County (north)
  • Madison County (east)
  • Greene County (south)
  • Montgomery County (west)
  • Miami County (northwest)

Top Attractions in Clark County, Ohio

Clark County offers a blend of history, architecture, parks, and cultural attractions centered around Springfield.

  • Westcott House – Frank Lloyd Wright-designed home open for tours
  • Buck Creek State Park – popular for boating, fishing, and camping
  • Heritage Center Museum – showcases local history and art
  • Springfield Museum of Art – features regional and national artwork
  • Hartman Rock Garden – unique folk art environment made from stones and concrete
  • George Rogers Clark Park – historic park honoring the Revolutionary War hero
  • National Trail Parks & Recreation District – offers trails, sports fields, and outdoor activities
  • Wittenberg University Campus – known for its scenic grounds and historic buildings

Distance from Clark County to Nearby Cities

  • Springfield to Dayton – 25 mi (40 km)
  • Springfield to Columbus – 45 mi (72 km)
  • Springfield to Cincinnati – 80 mi (129 km)
  • Springfield to Toledo – 150 mi (241 km)
  • Springfield to Indianapolis – 120 mi (193 km)

FAQs about Clark County

Where is Clark County located?

Clark County is located in west-central Ohio, just east of Dayton.

What is Clark County known for?

It is known for its manufacturing history, Wittenberg University, and Frank Lloyd Wright architecture.

What is the population of Clark County?

The population was 136,001 according to the 2020 Census.

What is the county seat of Clark County?

The county seat is Springfield.

What are popular attractions in Clark County?

Top attractions include the Westcott House, Buck Creek State Park, and Heritage Center Museum.