It was formed February 1, 1955 by merger of the three villages on Notojima island.
As of 2003, the town had an estimated population of 3,187 and a density of 68.13 persons per km2.
The Hirokami, Niigata was the sister city of Notojima.
On October 1, 2004, Notojima, along with the towns of Nakajima and Tatsuruhama (all from Kashima District), was merged into the expanded city of Nanao and no longer exists as an independent municipality.
This Ishikawa Prefecture location article is a stub.