Your Guide to Hardin County, Ohio

Looking for trusted businesses, services and local resources in Hardin County, Ohio? FindItOhio.com helps residents and visitors discover local companies, professionals and community information across Hardin County, including Kenton, the county seat.

Quick answer: Hardin County is one of Ohio’s 88 counties. Its county seat is Kenton, it was established in 1820, and it has an estimated 30,072 residents as of 2025.

At a Glance

  • County seat: Kenton
  • Established: Apr 1, 1820
  • Formed from: Logan County
  • Named for: General John Hardin (1753 to 1792), Revolutionary War officer
  • Estimated population (2025): 30,072
  • Total area: 470.29 sq mi
  • FIPS code: 39065

About Hardin County

Hardin County is a county located in the west central portion of the U.S. state of Ohio. As of the 2020 census, the population was 30,696. Its county seat and largest city is Kenton. The county was created in 1820 and later organized in 1833. It is named for John Hardin, an officer in the American Revolution.

Cities and Villages in Hardin County

Cities

Kenton †

Villages

Ada, Alger, Dunkirk, Forest, McGuffey, Mount Victory, Patterson, Ridgeway

Find Local Businesses in Hardin County

Browse the FindItOhio.com business directory to find restaurants, contractors, professional services, shops and more serving Hardin 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 Hardin 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 Hardin County, Ohio?

Kenton is the county seat of Hardin County, Ohio.

When was Hardin County established?

Hardin County was established on Apr 1, 1820. It was formed from Logan County.

Who or what is Hardin County named for?

Hardin County is named for General John Hardin (1753 to 1792), Revolutionary War officer.

How many people live in Hardin County, Ohio?

Hardin County has an estimated population of 30,072 as of 2025.

What cities are in Hardin County, Ohio?

Cities in Hardin County include Kenton †.

Where can I find local businesses in Hardin County?

Search the FindItOhio.com business directory to find local businesses and services in Hardin County, Ohio.

How do I list my Hardin 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 Hardin County, Ohio, available under the Creative Commons Attribution ShareAlike 4.0 license.