[4] Lorain County is part of the Cleveland, OH Metropolitan Statistical Area.

The county's name is based on the former German and now French province of Lorraine.

[14] In terms of ancestry, 26.5% were German, 16.7% were Irish, 10.9% were English, 8.4% were Polish, 8.2% were Italian, 6.2% were American, and 5.2% were Hungarian.

The county also includes the Lorain County Joint Vocational School District, which encompasses the entire county and serves students from the Amherst, Avon, Avon Lake, Clearview, Columbia, Elyria, Firelands, Keystone, Midview, North Ridgeville, Oberlin, Sheffield-Sheffield Lake and Wellington school districts from a 10-acre campus on a 100-acre site near the intersection of State Route 58 and U.S. Route 20 in Oberlin.

[18] As of 2024, the following county-wide elected officials are in office:[19] Lorain County used to lean Democratic in more recent presidential elections, voting for the Democratic candidate for president from 1988 to 2012.

In 2024, Trump won the county with 52.12% of the vote, the highest percentage for a Republican since 1972.