Champaign County Map, Ohio

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

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

Map of Champaign County, Ohio

Map of Champaign County, Ohio

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

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About Champaign County, Ohio

Champaign County is a county located in the U.S. state of Ohio. It's county seat is Urbana. As per 2020 census, the population of Champaign County is 38699 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 428.56 sq mi (1,110 km2). Champaign County was established on -34637.

Champaign County Facts

ContinentNorth America
CountryUnited States
StateOhio
County SeatUrbana
Largest City/TownUrbana
Established1805
Total Area430 sq mi
Land Area429 sq mi
Water Area1 sq mi
Population38,714 (Census 2020)
Population Density90 people per sq mi
Time ZoneEastern Time Zone (ET)
Major HighwaysUS-68, US-36, SR-29, SR-55
Neighboring CountiesLogan County, Union County, Madison County, Clark County, Miami County, Shelby County
Famous ForAgriculture, historic small towns, aviation heritage
Top AttractionsGrimes Field Aviation Museum, Cedar Bog Nature Preserve, Champaign Aviation Museum
Official Websitehttps://www.co.champaign.oh.us

Cities and Towns in Champaign County, Ohio

  • Urbana (county seat) – 11,613 (Census 2020)
  • St. Paris – 2,089 (Census 2020)
  • Mechanicsburg – 1,644 (Census 2020)
  • North Lewisburg – 1,490 (Census 2020)

Roads and Highways in Champaign County, Ohio

Champaign County is connected by key highways that link it to Dayton, Columbus, and surrounding rural areas.

  • US Highway 68 – runs north-south connecting Urbana to Springfield (south) and Bellefontaine (north)
  • US Highway 36 – runs east-west connecting Urbana to Columbus (east) and Piqua (west)
  • State Route 29 – connects Urbana to Sidney (northwest) and London (southeast)
  • State Route 55 – runs north-south connecting Mechanicsburg to Troy (north) and Springfield (south)

Neighboring Counties of Champaign County

  • Logan County (north)
  • Shelby County (northwest)
  • Miami County (west)
  • Clark County (south)
  • Madison County (south)
  • Union County (east)

Top Attractions in Champaign County, Ohio

Champaign County offers a mix of outdoor nature, aviation history, and quiet small-town charm.

  • Grimes Field Aviation Museum – showcases vintage aircraft and aviation history
  • Champaign Aviation Museum – home to a B-17 restoration project
  • Cedar Bog Nature Preserve – unique wetland area with rare plants and wildlife
  • Simon Kenton Trail – scenic trail for biking and walking
  • Urbana Historic Downtown – features local shops, dining, and historic buildings
  • Melvin Miller Park – community park with trails and open green space
  • Kiser Lake State Park (nearby) – popular for fishing, boating, and camping
  • St. Paris Public Square – charming small-town gathering place

Distance from Champaign County to Nearby Cities

  • Urbana to Columbus – 50 mi (80 km)
  • Urbana to Dayton – 40 mi (64 km)
  • Urbana to Springfield – 15 mi (24 km)
  • Urbana to Cincinnati – 95 mi (153 km)
  • Urbana to Toledo – 130 mi (209 km)

FAQs about Champaign County

Where is Champaign County located?

Champaign County is located in west-central Ohio between Columbus and Dayton.

What is Champaign County known for?

It is known for its agricultural heritage, aviation museums, and small-town communities.

What is the population of Champaign County?

The population was 38,714 according to the 2020 Census.

What is the county seat of Champaign County?

The county seat is Urbana.

What are popular attractions in Champaign County?

Top attractions include Grimes Field Aviation Museum, Cedar Bog Nature Preserve, and Champaign Aviation Museum.