Keikyū Tomioka Station was opened on July 10, 1930 as Shōnan Tomioka Station (湘南富岡駅, Shōnan Tomioka-eki) on the Shōnan Electric Railway, which merged with the Keihin Electric Railway on November 1, 1941. The station closed on January 10, 1947, and reopened on March 1, 1947 exclusively for the use by American occupation forces in Japan. Ordinary Japanese citizens were permitted to use the station again in late 1948. The station was relocated to its present address on December 1, 1955 and renamed Keihin Tomioka Station (京浜富岡駅, Keihin Tomioka-eki) on November 1, 1963. It assumed its present name on June 1, 1987.
Keikyū introduced station numbering to its stations on 21 October 2010; Keikyū Tomioka Station was assigned station number KK47.[1]
Passenger statistics
In fiscal 2019, the station was used by an average of 21,764 passengers daily.[2]
The passenger figures for previous years are as shown below.
^"京急線全駅にて駅ナンバリングを開始します" [Station numbering will be introduced to all stations on the Keikyu Line]. KEIKYU WEB. 25 June 2010. Archived from the original on 21 February 2014. Retrieved 27 February 2023.
^神奈川県県勢要覧(平成18年度) [Kanagawa Prefecture official statistics (fiscal 2005)] (PDF) (in Japanese). Japan: Kanagawa Metropolitan Government. Retrieved 26 March 2021.
^神奈川県県勢要覧(平成23年度) [Kanagawa Prefecture official statistics (fiscal 2010)] (PDF) (in Japanese). Japan: Kanagawa Prefecture. Retrieved 26 March 2021.
^神奈川県県勢要覧(平成28年度 [Kanagawa Prefecture official statistics (fiscal 2010)] (PDF) (in Japanese). Japan: Kanagawa Prefecture. Archived from the original(PDF) on 1 August 2017. Retrieved 26 March 2021.