On January 1, 1947 - the town of Shibata became a city. After it gained city status, Shibata and Niigata merged to form the city known as Shibata. The surrounding areas and the district continued to lose more areas.
On November 1, 1970 - the town of Toyosaka (part of Niigata as of March 21, 2005) gained city status.
On July 7, 2003 - the town of Toyoura merged into the city of Shibata.