Your Guide to Preble County, Ohio
Looking for trusted businesses, services and local resources in Preble County, Ohio? FindItOhio.com helps residents and visitors discover local companies, professionals and community information across Preble County, including Eaton, the county seat.
Quick answer: Preble County is one of Ohio’s 88 counties. Its county seat is Eaton, it was established in 1808, and it has an estimated 40,664 residents as of 2025.
At a Glance
- County seat: Eaton
- Established: Mar 1, 1808
- Formed from: Montgomery and Butler Counties
- Named for: Captain Edward Preble (1761 to 1807), a Naval commander in the Revolutionary War
- Estimated population (2025): 40,664
- Total area: 424.80 sq mi
- FIPS code: 39135
About Preble County
Preble County ( PREH bəl) is a county located in the U.S. state of Ohio. As of the 2020 census, the population was 40,999, down 3.0% from the 2010 census population of 42,270. Its county seat is Eaton. The county was formed on February 15, 1808, from portions of Butler and Montgomery Counties. It is named for Edward Preble, a naval officer who fought in the American Revolutionary War and against the Barbary Pirates.
Cities and Villages in Preble County
Cities
Eaton â€
Villages
Camden, College Corner, Eldorado, Gratis, Lewisburg, New Paris, Verona, West Alexandria, West Elkton, West Manchester
Find Local Businesses in Preble County
Browse the FindItOhio.com business directory to find restaurants, contractors, professional services, shops and more serving Preble 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 Preble 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 Preble County, Ohio?
Eaton is the county seat of Preble County, Ohio.
When was Preble County established?
Preble County was established on Mar 1, 1808. It was formed from Montgomery and Butler Counties.
Who or what is Preble County named for?
Preble County is named for Captain Edward Preble (1761 to 1807), a Naval commander in the Revolutionary War.
How many people live in Preble County, Ohio?
Preble County has an estimated population of 40,664 as of 2025.
What cities are in Preble County, Ohio?
Cities in Preble County include Eaton †.
Where can I find local businesses in Preble County?
Search the FindItOhio.com business directory to find local businesses and services in Preble County, Ohio.
How do I list my Preble 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 Preble County, Ohio, available under the Creative Commons Attribution ShareAlike 4.0 license.