Aomori is the capital city of Aomori Prefecture, in the Tōhoku region of Japan. As of 1 April 2020, the city had an estimated population of 278,964 in 136,457 households, and a population density of 340 people per square kilometer spread over the city's total area of 824.61 square kilometers. Aomori is one of Japan's 60 core cities and the core of the Aomori metropolitan area.