The JR Kyushu portion of the station consists of two elevated opposed tracks, with the station facilities underneath. There are no passing tracks, so platform safety barriers are installed. The station has a Midori no Madoguchi staffed ticket office. The Hisatsu Orange Railway portion of the station consists of one side platform and one island platform. It is staffed. The two portions of the station are connected by a footbridge.
Izumi Station was opened on 15 October 1923 as a station on the Japanese Government Railways Sendai Line, which was incorporated into the Kagoshima Main Line on 17 October 1927. With the privatization of the Japan National Railways on 1 April 1987, the station was transferred to JR Kyushu. On 13 March 2004, with the opening of the Kyushu Shinkansen, the station was transferred to the Hisatsu Orange Railway.
Passenger statistics
The average daily passenger traffic in fiscal 2019 was 1125 passengers for the JR portion and 158 people for the Hisatsu portion of the station. [3]