Westmount is an affluent suburb on the Island of Montreal, in southwestern Quebec, Canada. It is an enclave of the city of Montreal, with a population of 19,931 as of the Canada 2011 Census. Westmount is home to schools, an arena, a pool, a public library and a number of parks, including Westmount Park, King George Park (also known as Murray Hill Park) and Westmount Summit. The city operates its own electricity distribution company Westmount Light & Power.