Nippon Railway
Komiyama Station opened on July 16, 1887 with service on the Nippon Railway between Kōriyama and Kuroiso. The line was extended to Sendai Station, Miyagi and on December 15, 1887. Services on the Ganetsu Line began from July 26, 1898. The station building was rebuilt in 1900. In 1906, the Nippon Railway became the Japanese Government Railway and the station was rebuilt in 1913. On October 10, 1917 the name of Ganetsu Line was changed to Banetsu Line. The station was rebuilt in 1951 and once again in 1980. From June 23, 1982 services on the Tohoku Shinkansen began.