As of September 2016, the town has an estimated population of 3,278. The total area is 39.91 km². There is a microgravity test facility located in Kamisunagawa used for astronomic purposes.
1949 – Kamisunagawa Town split off from the towns of Sunagawa and Utashinai (partial).
2009 – Kamisunagawa Town, more specifically its microgravity test facility, becomes the namesake of a crater on 25143 Itokawa, an asteroid visited by Japanese unmanned spacecraft Hayabusa.
Media related to Kamisunagawa, Hokkaidō at Wikimedia Commons
