 In 1958, a watermain was built in the village.In the course of administrative restructuring in 1968, the "Bürgermeisterei" of Sankt Julian was dissolved, and in 1972, within the "Verbandsgemeinde" of Lauterecken, Sankt Julian became the hub of the like-named "Ortsgemeinde" with the constituent communities ("Ortsteile") of Eschenau, Gumbsweiler, Obereisenbach and Sankt Julian.Information about Sankt Julian’s population levels before 1800 is not available.