The area has been occupied since prehistoric times. The ruins of the town Non Mueang date from the
Dvaravati period. The establishment of the district was announced in the
Royal Gazette on 3 August 1943, originally including
tambons Chum Phae, Si Suk, Non Han, and Khua Riang, which were later divided into 10
tambons. In 1965 the northeastern part of the district was split off to form
Si Chomphu district. In 1981 the western portion of the district formed the district
Phu Pha Man district. ==Geography==