The Boyd County Courthouse is located at 2800 Louisa Street, Catlettsburg, KY 41129; phone: 606-739-5116.
The county was created in 1860 from parts of Carter, Greenup and Lawrence counties. It is named for Linn Boyd of Paducah who served as a congressman in the U.S. House of Representatives.
- Aurora County Courthouse
- Lincoln House
- Raesly House
- Sweep Hotel
- Smith, William P., House
- Hilton House
- Hofmeister House
- South Dakota Department of Transportation Bridge No. 02-007-220
- South Dakota Department of Transportation Bridge No. 02-012-240