As of 2003, the district had an estimated population of 55,348 and a density of 108.24 persons per km². The total area was 511.36 km².
On January 1, 2005, the former town of Takashima absorbed the towns of Adogawa, Imazu, Makino and Shin'asahi, and the village of Kutsuki to create the city of Takashima. Therefore, Takashima District was dissolved as a result of this merger. Upon its formation, the district has officially turned into a city