Ashtabula County, Ohio

county in Ohio, United States

Ashtabula County is the northeasternmost county in the U.S. state of Ohio. As of the 2020 census, the population was 97,574.[1] The county seat is Jefferson.[2]

Ashtabula County
Ashtabula County Courthouse
Ashtabula County Courthouse
Official seal of Ashtabula County
Map of Ohio highlighting Ashtabula County
Location within the U.S. state of Ohio
Map of the United States highlighting Ohio
Ohio's location within the U.S.
Coordinates: 41°53′N 80°46′W / 41.89°N 80.76°W / 41.89; -80.76
Country United States
State Ohio
FoundedMay 1, 1811
Named forLenape ashtepihële 'always enough fish to go around'
Largest cityAshtabula
 • Total1,368 sq mi (3,540 km2)
 • Land702 sq mi (1,820 km2)
 • Water666 sq mi (1,720 km2)  49%
 • Total97,574
 • Density71/sq mi (27/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district14th


  1. "QuickFacts: Ashtabula County, Ohio". United States Census Bureau. Retrieved January 18, 2024.
  2. National Association of Counties. "NACo County Explorer". Retrieved January 18, 2024.