Kensington is a Canadian town located in Prince County, Prince Edward Island. It is 15 km northeast of the city of Summerside. In 2021, its po…Kensington is a Canadian town located in Prince County, Prince Edward Island. It is 15 km northeast of the city of Summerside. In 2021, its population was 1,812 and is seeing rapid growth thanks in part to a recently opened business park.