Your Guide to Wyandot County, Ohio
Looking for trusted businesses, services and local resources in Wyandot County, Ohio? FindItOhio.com helps residents and visitors discover local companies, professionals and community information across Wyandot County, including Upper Sandusky, the county seat.
Quick answer: Wyandot County is one of Ohio’s 88 counties. Its county seat is Upper Sandusky, it was established in 1845, and it has an estimated 21,567 residents as of 2025.
At a Glance
- County seat: Upper Sandusky
- Established: Feb 3, 1845
- Formed from: Marion, Crawford, and Hardin Counties
- Named for: Wyandot Indians
- Estimated population (2025): 21,567
- Total area: 405.61 sq mi
- FIPS code: 39175
About Wyandot County
Wyandot County is a county located in the northwestern part of the U.S. state of Ohio. As of the 2020 census, the population was 21,900. Its county seat is Upper Sandusky. It was named for the Wyandot People, who lived there before and after European expansion. Their autonym is variously translated from their language as “around the plains” and “dwellers on the peninsula”. The county was organized by the state legislature from parts of Crawford, Marion, Hardin and Hancock counties on February 3, 1845.
Cities and Villages in Wyandot County
Cities
Upper Sandusky â€
Villages
Carey, Harpster, Kirby, Marseilles, Nevada, Sycamore, Wharton
Find Local Businesses in Wyandot County
Browse the FindItOhio.com business directory to find restaurants, contractors, professional services, shops and more serving Wyandot 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 Wyandot 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 Wyandot County, Ohio?
Upper Sandusky is the county seat of Wyandot County, Ohio.
When was Wyandot County established?
Wyandot County was established on Feb 3, 1845. It was formed from Marion, Crawford, and Hardin Counties.
Who or what is Wyandot County named for?
Wyandot County is named for Wyandot Indians.
How many people live in Wyandot County, Ohio?
Wyandot County has an estimated population of 21,567 as of 2025.
What cities are in Wyandot County, Ohio?
Cities in Wyandot County include Upper Sandusky †.
Where can I find local businesses in Wyandot County?
Search the FindItOhio.com business directory to find local businesses and services in Wyandot County, Ohio.
How do I list my Wyandot 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 Wyandot County, Ohio, available under the Creative Commons Attribution ShareAlike 4.0 license.