Fairfield County, Ohio

county in Ohio, United States

Fairfield County is a county located in the U.S. state of Ohio. As of the 2020 census, the population was 158,921.[2] Its county seat is Lancaster.[3]

Fairfield County
Fairfield County Courthouse
Fairfield County Courthouse
Official seal of Fairfield County
Map of Ohio highlighting Fairfield County
Location within the U.S. state of Ohio
Map of the United States highlighting Ohio
Ohio's location within the U.S.
Coordinates: 39°45′N 82°38′W / 39.75°N 82.63°W / 39.75; -82.63
Country United States
State Ohio
FoundedDecember 9, 1800[1]
Named forthe Fairfield area of Lancaster, Lancashire, UK
Largest cityLancaster
 • Total509 sq mi (1,320 km2)
 • Land504 sq mi (1,310 km2)
 • Water4.2 sq mi (11 km2)  0.8%
 • Total158,921
 • Density310/sq mi (120/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district12th

References change

  1. "Ohio County Profiles: Fairfield County" (PDF). Ohio Department of Development. Archived from the original (PDF) on 26 March 2009. Retrieved April 28, 2007.
  2. "QuickFacts: Fairfield County, Ohio". United States Census Bureau. Retrieved January 18, 2024.
  3. National Association of Counties. "NACo County Explorer". Retrieved January 18, 2024.