The district was created as a minor district (king amphoe) on 1 April 1984, when the three tambons Bang Khan, Ban Lamnao, and Wang Hin were split off from Thung Song district.
The district emerged as a smaller administrative unit (king amphoe) in April 1984, when it was formed by dividing off three tambons - Bang Khan, Ban Lamnao, and Wang Hin - from Thung Song district.