The Township of Perth South is a lower-tier municipality in southwestern Ontario, Canada. It is in Perth County at the confluence of the River Thames and the Avon River. The Township was created on January 1, 1998 from the amalgamation of the former Township of Blanshard and the former Township of Downie. The land area of Perth South is 393.14 square kilometers. The population in 2016 was 3,810. Canada's ninth Prime Minister, Arthur Meighen, was born in Anderson, a community in Perth South.
The township encompasses the Villages of Sebringville and Kirkton. There are smaller settlement areas known as Hamlets that include: Avonbank, Avonton, Conroy, Harmony, Prospect Hill, Rannoch, St. Pauls, Whalen Corners and Woodham.
The Township is composed predominantly of a mix of rural agricultural land and hamlet residential uses with a total land area of 39,202 hectares. The 2016 population was 3810 persons in a land ara of 393.14 square kilometers.[1] Agricultural uses represent one of the Township's most significant economic and cultural assets.