Lorain County, Ohio

Lorain County
Old county building in Elyria
Location within the U.S. state of Ohio
Ohio's location within the U.S.
Coordinates: 41°28′N 82°09′W / 41.47°N 82.15°W / 41.47; -82.15
Country United States
State Ohio
FoundedApril 1, 1824
Named afterLorraine in France
SeatElyria
Largest cityLorain
Area
  Total
923 sq mi (2,390 km2)
  Land491 sq mi (1,270 km2)
  Water432 sq mi (1,120 km2)  47%
Population
 (2020)
  Total
312,964
  Estimate 
(2023)
317,910
  Density340/sq mi (130/km2)
Congressional district5th
Websitewww.loraincounty.us

Lorain County (/lɔːˈrn/) is a county in the northeastern part of the U.S. state of Ohio As of the 2020 census, the population was 312,964. Its county seat is Elyria, and its largest city is Lorain. The county was physically established in 1822, becoming judicially independent in 1824. Lorain County is part of the Cleveland, OH Metropolitan Statistical Area. The county is home to Oberlin College.