Okada Station opened on March 15, 1927 as a station of the Kotohira Electric Railway. On November 1, 1943 it became a station on the Takamatsu Kotohira Electric Railway Kotohira Line due to a company merger.
^Kawashima, Ryōzō (2013). 図説: 日本の鉄道 四国・九州ライン 全線・全駅・全配線・第2巻 四国西部エリア [Japan Railways Illustrated. Shikoku and Kyushu. All lines, all stations, all track layouts. Volume 2 Western Shikoku] (in Japanese). Kodansha. pp. 8, 64. ISBN9784062951616.