Another in Texas was christened in 1858 but renamed Stephens County, after the newly elected Vice President of the Confederate States of America, Alexander Stephens, in 1861.[135] The city of Buchanan, Michigan, was also named after him.[136] Several other communities are named after him: the unincorporated community of Buchanan, Indiana, the city of Buchanan, Georgia, the town of Buchanan, Wisconsin, and the townships of Buchanan Township, Michigan, and Buchanan, Missouri.
James Buchanan High School is a small, rural high school located on the outskirts of his childhood hometown, Mercersburg, Pennsylvania.

Popular culture depictions
Buchanan and his legacy are central to the film Raising Buchanan (2019). He is portrayed by René Auberjonois.