Kitanagoya is a city in Aichi Prefecture, Japan. As of 1 October 2019, the city had an estimated population of 86,068 in 36,904 households, an…Kitanagoya is a city in Aichi Prefecture, Japan. As of 1 October 2019, the city had an estimated population of 86,068 in 36,904 households, and a population density of 4,685 inhabitants per square kilometre. The total area of the city is 18.37 square kilometres. Kitanagoya is a member of the World Health Organization’s Alliance for Healthy Cities.