At present time (as of June 2013), the district consists of only the town of Misato with an estimated population of 20,771 and an area of 168.36 km2.
The area of Senboku District was formerly part of Dewa Province, and was originally created out of Hiraka District in the year 870.
At the time, the area consisted of one town (Kakunodate) and 181 villages formerly under the control of Kubota Domain.
Akita Prefecture was founded on December 13, 1871.
With the establishment of the municipality system on April 1, 1889, modern Senboku District, with one town (Kakunodate) and 37 villages was established.
Map showing historic extent of Semboku District in Akita Prefecture
colored area=original area; green=present area