Kikugawa, YamaguchiKikugawa was a town located in Toyoura District, Yamaguchi Prefecture, Japan.On February 13, 2005, Kikugawa, along with the towns of Hōhoku, Toyoura and Toyota, were merged into the expanded city of Shimonoseki.PopulationAs of 2003, the town had an estimated population of 8,218 and a density of 98.09 persons per km2. The total area was 83.78 km2.