Umphang was established as a district in 1898. It was named Amphoe Mae Klong back then and part of Uthai Thani Province. In 1906 it was renamed Amphoe Umphang and moved to Kamphaeng Phet Province. Its status was changed to King Amphoe and moved to Tak Province effective January 1 1926. Finally in 1959 it is promoted back to Amphoe
