Fairfield County | |
---|---|
Coordinates: 39°45′N 82°38′W / 39.75°N 82.63°W | |
Country | United States |
State | Ohio |
Founded | December 9, 1800[1] |
Named for | the Fairfield area of Lancaster, Lancashire, UK |
Seat | Lancaster |
Largest city | Lancaster |
Area | |
• Total | 509 sq mi (1,320 km2) |
• Land | 504 sq mi (1,310 km2) |
• Water | 4.2 sq mi (11 km2) 0.8% |
Population (2020) | |
• Total | 158,921 |
• Density | 310/sq mi (120/km2) |
Time zone | UTC−5 (Eastern) |
• Summer (DST) | UTC−4 (EDT) |
Congressional district | 12th |
Website | www |
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 and largest city is Lancaster.[3] Its name is a reference to the Fairfield area of the original Lancaster. Fairfield County is part of the Columbus, OH Metropolitan Statistical Area.