The station building is a wooden structure remodelled recently in western style.

[2][3][4] Japanese Government Railways (JGR) had opened the Miyazaki Line from Yoshimatsu to Miyakonojō on 8 October 1913.

In the next phase of expansion, the track was extended east, with Mimata opening as the new terminus on 11 February 1914.

On 15 December 1923, Mimata was designated as part of the Nippō Main Line together with the entire stretch through Miyazaki, Miyakonojō to Yoshimatsu.

With the privatization of Japanese National Railways (JNR), the successor of JGR, on 1 April 1987, the station came under the control of JR Kyushu.