As of 2011, the district has an estimated population of 23,774. As a result of mergers the total area of the district is now 282.65 km2.
Towns and villagesEdit
- On January 1, 2005 the town of Toyono and the villages of Togakushi and Kinasa merged into the city of Nagano.
- On October 1, 2005 the villages of Mure and Samizu merged to form the new town of Iizuna.
- On January 1, 2010 the town of Shinshūshinmachi and the village of Nakajō merged into the city of Nagano.