Kikuchi is a city located in Kumamoto Prefecture on the island of Kyushu, Japan. As of 30 June 2024, the city had an estimated population of 4…Kikuchi is a city located in Kumamoto Prefecture on the island of Kyushu, Japan. As of 30 June 2024, the city had an estimated population of 46,684 in 20392 households, and a population density of 170 persons per km². The total area of the city is 276.85 km².