|Township of Douro-Dummer|
|Coordinates: 44°27′N78°06′W / 44.450°N 78.100°W Coordinates: 44°27′N78°06′W / 44.450°N 78.100°W|
|Formed||January 1, 1998|
|• Mayor||Heather Watson|
|• Federal riding||Peterborough—Kawartha|
|• Prov. riding||Peterborough—Kawartha|
|• Land||458.95 km2 (177.20 sq mi)|
|• Density||14.6/km2 (38/sq mi)|
|Time zone||UTC-5 (EST)|
|• Summer (DST)||UTC-4 (EDT)|
K0L 1S0, K0L 2C0, K0L 2H0, K0L 3A0 & K0L 3G0
|Area code(s)||705, 249|
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.
The township is the site of drumlins known as the Drumlins of Douro, and home of the Warsaw Caves (near the community of Warsaw).
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.  It was reopened as Towns and Leahy Merchantile and Deli in 2017, but it was destroyed by a fire in 2018. 
Douro-Dummer is governed by a mayor, deputy-mayor and three councillors. As of the 2018 election, the elected council members are:
Mayor: Heather Watson
Deputy Mayor: Harold Nelson
Councillor at Large: Thomas G. Watt
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. With a land area of 459.46 km2 (177.40 sq mi), it had a population density of 16.6/km2 (43.0/sq mi) in 2021. 
|Population||7,632 (+13.8% from 2016)||6,709 (-1.4% from 2011)||6,805 (-2.1% from 2006)|
|Land area||459.46 km2 (177.40 sq mi)||458.95 km2 (177.20 sq mi)||458.98 km2 (177.21 sq mi)|
|Population density||16.6/km2 (43/sq mi)||14.6/km2 (38/sq mi)||14.8/km2 (38/sq mi)|
|Median age||48.4 (M: 48, F: 48.8)||45.5 (M: 45.3, F: 45.7)|
|Total private dwellings||2,925||3,434||3,110|
|Median household income||$80,352|
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