Darke County Map, Ohio

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

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

Map of Darke County, Ohio

Map of Darke County, Ohio

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

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About Darke County, Ohio

Darke County is a county located in the U.S. state of Ohio. It's county seat is Greenville. As per 2020 census, the population of Darke County is 51597 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 599.80 sq mi (1,553 km2). Darke County was established on -33233.

Darke County Facts

ContinentNorth America
CountryUnited States
StateOhio
County SeatGreenville
Largest City/TownGreenville
Established1809
Total Area600 sq mi
Land Area599 sq mi
Water Area1 sq mi
Population51,881 (Census 2020)
Population Density87 people per sq mi
Time ZoneEastern Time Zone (ET)
Major HighwaysUS-127, SR-49, SR-121, SR-47
Neighboring CountiesMercer County, Auglaize County, Shelby County, Miami County, Preble County, Jay County (IN), Randolph County (IN)
Famous ForAgriculture, Annie Oakley, Darke County Fair
Top AttractionsGarst Museum, Darke County Fairgrounds, Shawnee Prairie Preserve
Official Websitehttps://www.darkecountyohio.gov

Cities and Towns in Darke County, Ohio

  • Greenville (county seat) – 13,232 (Census 2020)
  • Versailles – 2,687 (Census 2020)
  • Arcanum – 2,129 (Census 2020)
  • Union City (partly in county) – 3,455 (Census 2020)

Roads and Highways in Darke County, Ohio

Darke County is connected by regional highways that link it to western Ohio and neighboring Indiana communities.

  • US Highway 127 – runs north-south connecting Greenville to Celina (north) and Eaton (south)
  • State Route 49 – runs north-south connecting Arcanum to the Indiana border and Miami County
  • State Route 121 – runs east-west connecting Greenville to Troy (east) and Winchester, Indiana (west)
  • State Route 47 – connects Versailles to Sidney (east) and Richmond, Indiana (west)

Neighboring Counties of Darke County

  • Mercer County (north)
  • Auglaize County (northeast)
  • Shelby County (east)
  • Miami County (southeast)
  • Preble County (south)
  • Jay County, Indiana (west)
  • Randolph County, Indiana (southwest)

Top Attractions in Darke County, Ohio

Darke County offers agricultural heritage, historic sites, and outdoor recreation in a rural setting.

  • Garst Museum – features exhibits on Annie Oakley and local history
  • Darke County Fairgrounds – home to one of Ohio’s largest county fairs
  • Shawnee Prairie Preserve – nature preserve with trails, wildlife, and a log house
  • Bear’s Mill – historic working grist mill with scenic surroundings
  • Greenville City Park – popular park with walking paths and playgrounds
  • Versailles Poultry Days Festival – annual festival celebrating local heritage
  • Darke County Historical Society – preserves regional history and landmarks
  • Eldora Speedway – well-known dirt track for racing events

Distance from Darke County to Nearby Cities

  • Greenville to Dayton – 40 mi (64 km)
  • Greenville to Columbus – 110 mi (177 km)
  • Greenville to Cincinnati – 90 mi (145 km)
  • Greenville to Indianapolis – 100 mi (161 km)
  • Greenville to Toledo – 130 mi (209 km)

FAQs about Darke County

Where is Darke County located?

Darke County is located in western Ohio along the Indiana border.

What is Darke County known for?

It is known for agriculture, Annie Oakley, and the Darke County Fair.

What is the population of Darke County?

The population was 51,881 according to the 2020 Census.

What is the county seat of Darke County?

The county seat is Greenville.

What are popular attractions in Darke County?

Top attractions include Garst Museum, Shawnee Prairie Preserve, and the Darke County Fairgrounds.