The Simcoe Muskoka District Health Unit boundary covers 8,800 square kilometers of land area and has a population of 540,249, resulting in a population density of 61 people per square kilometer.
Simcoe County has a density of 99 people/km2, compared to 15 people/km2 that live in the District of Muskoka. The population density in Simcoe County increased by 8% from 92 people/km2 in 2011, to 99 people/km2 in 2016. The population density in the District of Muskoka increased by 5% from 14.7 people/km2 in 2011, to 15.4 people/km2 in 2016.
Barrie had the highest population density of all the municipalities in Simcoe Muskoka with a density of 1,428 people/km2. This is the 13th highest population density out of all municipalities in Ontario. Barrie’s population density is a bit higher than Oakville (1,396 people/km2) and a bit lower than Windsor (1,484 people/km2


Municipalities in the District of Muskoka generally had smaller population densities than those in Simcoe County. Moose Point 79, a First Nations Reserve, had the highest population density in the District of Muskoka in 2016 with a density of 63 people/km2.
