Macdonald, Meredith and Aberdeen Additional is a township in Algoma District, Ontario, Canada. Originally surveyed as separate geographical townships, Macdonald and Meredith were incorporated as a single, municipal township in 1892. The geographical township of Aberdeen Additional was added to Macdonald and Meredith township in 1899 to create the municipal township of Macdonald, Meredith and Aberdeen Additional. The township encompasses the unincorporated communities of Echo Bay, Bar River and Sylvan Valley.

Communities

Bar River is a small hamlet straddling the boundary between the townships of Macdonald, Meredith and Aberdeen Additional and Laird. Echo Bay is located on the shores of the eponymous Echo Bay and Lake George. The community is home to a big loonie, similar to the Big Nickel in Sudbury, around 260 km eastward. Robert-Ralph Carmichael, one of the Canadian dollar coin's designers, lived near Echo Bay.

Demographics

In the 2021 Census of Population conducted by Statistics Canada, Macdonald, Meredith and Aberdeen Additional had a population of 1,513 living in 603 of its 803 total private dwellings, a change of −6% from its 2016 population of 1,609. With a land area of 163.26 km2, it had a population density of in 2021. Population trend: