Rochester is a hamlet in northern Alberta, Canada within Athabasca County. It is 3 kilometres east of Highway 2, 93 kilometres north of Edmonton. In the 2021 Census of Population conducted by Statistics Canada, Rochester had a population of 72 living in 42 of its 59 total private dwellings, a change of -8.9% from its 2016 population of 79. With a la…Rochester is a hamlet in northern Alberta, Canada within Athabasca County. It is 3 kilometres east of Highway 2, 93 kilometres north of Edmonton. In the 2021 Census of Population conducted by Statistics Canada, Rochester had a population of 72 living in 42 of its 59 total private dwellings, a change of -8.9% from its 2016 population of 79. With a land area of 3.17 km², it had a population density of 22.7/km² in 2021.