Kamogawa is a city located in Chiba Prefecture, Japan. As of 1 December 2020, the city had an estimated population of 31,722 in 14,558 households and a population density of 170 persons per km2. The total area of the city is 191.14 square kilometers. The name of the city consists of two kanji characters: the first, kamo, meaning "duck", and the second, kawa, meaning "river".