Your Guide to Defiance County, Ohio
Looking for trusted businesses, services and local resources in Defiance County, Ohio? FindItOhio.com helps residents and visitors discover local companies, professionals and community information across Defiance County, including Defiance, the county seat.
Quick answer: Defiance County is one of Ohio’s 88 counties. Its county seat is Defiance, it was established in 1845, and it has an estimated 38,292 residents as of 2025.
At a Glance
- County seat: Defiance
- Established: Apr 7, 1845
- Formed from: Williams, Henry, and Paulding Counties
- Named for: Fort Defiance, built in 1794 by General Anthony Wayne
- Estimated population (2025): 38,292
- Total area: 411.16 sq mi
- FIPS code: 39039
About Defiance County
Defiance County is a county located in the U.S. state of Ohio. As of the 2020 census, the population was 38,286. Its county seat and largest city is Defiance. The county was named after an early Army fortification, Fort Defiance, which was so named by Mad Anthony Wayne to signify the settlers’ “defiance” of the Indians. The Defiance, OH Micropolitan Statistical Area includes all of Defiance County.
Cities and Villages in Defiance County
Cities
Defiance â€
Villages
Hicksville, Ney, Sherwood
Find Local Businesses in Defiance County
Browse the FindItOhio.com business directory to find restaurants, contractors, professional services, shops and more serving Defiance County. Own a business here? Add your free business listing so local customers can find you.
Background Checks, Process Serving and Private Investigations
Residents and employers in Defiance County can get BCI and FBI LiveScan fingerprinting, FD-258 fingerprint cards, process serving and licensed private investigations from these Ohio providers:
- Ohio Security & Investigations, Youngstown: licensed private investigations and fingerprinting. Call (888) 341-6960 or visit ohioinvestigators.com.
- 10-8 Protective Services, Columbus: investigations, fingerprinting and process serving. Call (800) 949-8521 or visit 10-8protectiveservices.com.
Frequently Asked Questions
What is the county seat of Defiance County, Ohio?
Defiance is the county seat of Defiance County, Ohio.
When was Defiance County established?
Defiance County was established on Apr 7, 1845. It was formed from Williams, Henry, and Paulding Counties.
Who or what is Defiance County named for?
Defiance County is named for Fort Defiance, built in 1794 by General Anthony Wayne.
How many people live in Defiance County, Ohio?
Defiance County has an estimated population of 38,292 as of 2025.
What cities are in Defiance County, Ohio?
Cities in Defiance County include Defiance †.
Where can I find local businesses in Defiance County?
Search the FindItOhio.com business directory to find local businesses and services in Defiance County, Ohio.
How do I list my Defiance County business on FindItOhio.com?
Visit the free business listing page on FindItOhio.com and submit your business name, address, phone number and website.
Looking for another county? Explore all 88 Ohio counties on FindItOhio.com.
County background adapted from the Wikipedia article Defiance County, Ohio, available under the Creative Commons Attribution ShareAlike 4.0 license.