Defiance County Map, Ohio

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

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

Map of Defiance County, Ohio

Map of Defiance County, Ohio

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

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About Defiance County, Ohio

Defiance County is a county located in the U.S. state of Ohio. It's county seat is Defiance. As per 2020 census, the population of Defiance County is 38144 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 411.16 sq mi (1,065 km2). Defiance County was established on -19990.

Defiance County Facts

ContinentNorth America
CountryUnited States
StateOhio
County SeatDefiance
Largest City/TownDefiance
EstablishedMarch 4, 1845
Total Area414 sq mi (1,072 sq km)
Land Area412 sq mi (1,067 sq km)
Water Area2.2 sq mi (5.7 sq km)
Population38,393 (Census 2020)
Population Density93 people per sq mi
Time ZoneEastern Time Zone (ET)
Major HighwaysUS-24, US-127, State Route 15, State Route 18, State Route 49, State Route 66
Neighboring CountiesWilliams County, Henry County, Putnam County, Paulding County
Famous ForFort Defiance, Maumee and Auglaize Rivers, agriculture and manufacturing
Top AttractionsFort Defiance Park, Independence Dam State Park, Auglaize Village, Pontiac Park
Official Websitehttps://www.defiancecounty.oh.gov/

Cities and Towns in Defiance County, Ohio

  • Defiance (county seat) – 17,066 (Census 2020)
  • Hicksville – 3,431 (Census 2020)
  • Sherwood – 806 (Census 2020)
  • Ney – 354 (Census 2020)

Roads and Highways in Defiance County, Ohio

Defiance County has a strong road network connecting it to nearby cities in Ohio and Indiana.

  • US-24 – east-west route connecting Toledo to Fort Wayne
  • US-127 – north-south route linking Michigan to Cincinnati
  • State Route 15 – connects Bryan to Ottawa
  • State Route 18 – runs east-west through the county
  • State Route 49 – connects Hicksville to Paulding County
  • State Route 66 – links Defiance to Archbold and southern Ohio

Neighboring Counties of Defiance County

  • Williams County (north)
  • Henry County (east)
  • Putnam County (south)
  • Paulding County (west)

Top Attractions in Defiance County, Ohio

Visitors can explore parks, historic sites, and local attractions across the county.

  • Fort Defiance Park – historic site at river confluence
  • Independence Dam State Park – popular for camping and boating
  • Auglaize Village – outdoor museum with historic buildings
  • Pontiac Park – quiet park along the river
  • Defiance College – small college with a scenic campus
  • Diehl Park – family-friendly park with sports areas
  • Eagle Rock Golf Club – well-known local golf course
  • Maumee River Trail – great for walking and biking

Distance from Defiance County to Nearby Cities

  • Defiance County to Toledo – 55 mi (89 km)
  • Defiance County to Fort Wayne – 50 mi (80 km)
  • Defiance County to Lima – 45 mi (72 km)
  • Defiance County to Columbus – 135 mi (217 km)
  • Defiance County to Detroit – 110 mi (177 km)

FAQs about Defiance County

Where is Defiance County located?

Defiance County is in northwest Ohio near the Indiana border.

What is Defiance County known for?

It is known for its historic fort site and river location.

What is the population of Defiance County?

The population was 38,393 in the 2020 Census.

What is the main city in Defiance County?

Defiance is the largest city and county seat.

Are there parks in Defiance County?

Yes, there are several parks and a state park for outdoor activities.