Mikawa is a town located in Yamagata Prefecture, Japan. As of 31 March 2023, the town had an estimated population of 7,282 in 2478 households, and a population density of 220 persons per km². The total area of the town is 33.22 square kilometres. Mikawa is the seat of the Yamagata Prefectural Government's |"general branch office" responsible for the …Mikawa is a town located in Yamagata Prefecture, Japan. As of 31 March 2023, the town had an estimated population of 7,282 in 2478 households, and a population density of 220 persons per km². The total area of the town is 33.22 square kilometres. Mikawa is the seat of the Yamagata Prefectural Government's |"general branch office" responsible for the unofficial "Shōnai Region", corresponding to northwestern Yamagata. It is also the seat of the central government's MLIT transportation branch office that licenses the Shōnai vehicle registration plate for the same region.