Kushiro is a city in Kushiro Subprefecture on the island of Hokkaido, Japan. Located along the coast of the North Pacific Ocean, it serves as the subprefecture's capital and it is the most populated city in the eastern part of the island. As of 31 October 2025, the city had an estimated population of 151,833 in 90771 households, and a population density of 111 people per km2. The total area of th…