Marion is a home rule-class city[4] in Crittenden County, Kentucky, in the United States.

[6] The farm communities surrounding Marion are home to a large Amish population.

The city is named for Francis Marion, a brigadier general from South Carolina in the American Revolutionary War.

[7] In 1864, at the end of the Civil War, the county courthouse in Marion was burned.

[8] A railroad line from Blackford to Princeton was completed in 1887, and a depot was established at Marion.

Marion was home to the Marion Bobcats, a wood bat baseball team in the KIT League and subsequent Ohio Valley Summer Collegiate Baseball League, from 2008 to 2013.

The Holiday Drive-In Theater was located east of Marion, and had a 200-car capacity.

[14] Public education in Marion is administered by Crittenden County Schools.

[15] The climate in this area is characterized by hot, humid summers and generally mild to cool winters.