At the time, the area consisted of 2 towns and 166 villages formerly under the control of Kubota Domain, based at Akita.
The area became part of Akita Prefecture in 1871, and was organized as Minamiakita District in 1878.
Funakawa Minato was raised to town status on October 24, 1894, followed by Gojōme on January 19, 1896 and Kitaura on June 4, 1902.
The town of Funakawa merged with four neighboring villages to create the city of Oga on March 31, 1954, which subsequently annexed the towns of Funakoshi and Kitaura on March 1, 1955.
In 2006, as part of the Heisei period Municipal mergers and dissolutions in Japan, the remaining seven towns and one village in the district were reduced to the present three towns and one village: