Shirakawa Domain
The area of present-day Nishigō was part of ancient Mutsu Province. The area was part of the holdings of Shirakawa Domain during the Edo period. After the Meiji Restoration, it was organized as part of Nishishirakawa District in the Nakadōri region of Iwaki Province. Nishigō Village was formed on April 1, 1889 with the creation of the modern municipalities system.