Yonezawa Domain
The area of present-day Sekikawa was part of ancient Echigo Province. During the Edo period, much of the area was part of the holdings of Yonezawa Domain under the Tokugawa shogunate. The area was organized as part of Iwafune District, Niigata following the Meiji restoration. The modern village of Sekigawa was established on August 1, 1954 by the merger of the villages of Seki, Shichikatani, and Kukatani. On August 1, 1954, Sekikawa merged with the neighboring village of Onnagawa.