Douro-Dummer is a township in central-eastern Ontario, Canada, in Peterborough County along the Trent-Severn Waterway.

It was formed on January 1, 1998, through the amalgamation of Douro and Dummer Townships.

Douro's general store was run by the same family since 1896, Patrick George Towns after moving the store opened in his hometown Peterborough in 1892; however, it closed its doors for the last time in Sunday, September 4, 2016.

[2] It was reopened as Towns and Leahy Merchantile and Deli in 2017, but it was destroyed by a fire in 2018.

As of the 2022 election, the elected council members are: Mayor: charlotte devlin Deputy Mayor: patrick fitzgerald Councillor at Large: Thomas G. Watt Councillors: The township comprises the communities of: In the 2021 Census of Population conducted by Statistics Canada, Douro-Dummer had a population of 7,632 living in 2,925 of its 3,601 total private dwellings, a change of 13.8% from its 2016 population of 6,709.