Kearney is a town and municipality in the Almaguin Highlands region of Parry Sound District of Ontario, Canada. With a landmass of 528 squ…Kearney is a town and municipality in the Almaguin Highlands region of Parry Sound District of Ontario, Canada. With a landmass of 528 square kilometres and a year-round population of 974 in the Canada 2021 Census, Kearney claims to be the "Biggest Little Town in Ontario."