The village maintained their village status since the end of 19th century, but on November 5,2004 Toyomatsu was merged with the towns of Sanwa, Jinseki and Yuki, all from Jinseki District, to form the new town of Jinsekikōgen.
The village maintained their village status since the end of 19th century. Toyomatsu was merged with the towns of Sanwa, Jinseki and Yuki from Jinseki District. This was on November 5,2004. This was all. This was to form the new town of Jinsekikōgen.