is a district located in Tokachi Subprefecture, Hokkaido, Japan. As of 2004, the district has an estimated population of 18,064 and a density of 12.32 persons per km2. The total area is 1,465.97 km2. Towns Shimizu Shintoku History 1869 – Upon the establishment of provinces and districts in Hokkaido, Kamikawa District established in Tokachi Province. September, 1920 – Borders of Memuro Town in Kasai District modified, part of it incorporated into Shimizu Town September 30, 1951 – Shimizu Town incorporates Mikage Village (御影村) in Kasai District References Districts in Hokkaido