Ballard County is a county located in the west portion of the U.S. state of Kentucky. As of the 2020 census, the population was 7,728. Its county seat is Wickliffe and its largest city is LaCenter. The county was created by the Kentucky State Legislature in 1842 and is named for Captain Bland Ballard, a soldier, statesman, and member of the Kentucky General Assembly. Ballard County is part of the Paducah, KY-IL Metropolitan Statistical Area.

McCracken County is a county located in the far west portion of U.S. state of Kentucky. As of the 2020 census, the population was 67,875. The county seat and only municipality is Paducah. McCracken County was the 78th county formed in the state, having been created in 1825. It is part of the historic Jackson Purchase, territory sold by the Chickasaw people to General Andrew Jackson and Governor Isaac Shelby; this territory was located at the extreme western end of Kentucky.