Imabari is a city in Ehime Prefecture, Japan. It is the second largest city in the prefecture. As of 31 August 2022, the city had an estimated population of 152,111 in 75,947 households and a population density of 360 persons per km². The total area of the city is 468.19 square kilometres (180.77 sq mi). The population is the second largest in Ehime Prefecture after Matsuyama City.