Herndon is an unincorporated community located in Christian County, Kentucky, United States.[1] It is concentrated around the intersection of Kentucky Route 107 and Kentucky Route 117, southwest of Hopkinsville. It has a post office with zip code 42236.
Herndon had its start when the railroad was extended to that point.[2] The community has the name of Capt. Tom Herndon, a local merchant. A post office has been in operation at Herndon since 1886.[3]