Enniskillen is a township in the Canadian province of Ontario, within Lambton County. It is located at the intersection of Highway 21 (Oil Heritage Road) and Rokeby Line. The economy of the township is based on agriculture. It was named after Sir Galbraith Lowry Cole's father who was the Earl of Enniskillen, Northern Ireland.

Communities

The township comprises the communities of Oil City, Glen Rae and Marthaville, and surrounds but does not include the independent municipalities of Petrolia and Oil Springs.

Demographics

In the 2021 Census of Population conducted by Statistics Canada, Enniskillen had a population of 2,825 living in 1,041 of its 1,087 total private dwellings, a change of NaN% from its 2016 population of 2,796. With a land area of 338.05 km2, it had a population density of in 2021.