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Otonabee-South Monaghan
A township along the Trent-Severn Waterway, with its municipal office in the hamlet of Keene.
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Try the tool →Why people choose Otonabee-South Monaghan.
Why people move here
A rural township in Peterborough County, located along the Trent-Severn Waterway.
Places to visit
The township includes Lang Pioneer Village and the Serpent Mounds Campground and Historical Site.
Room to spread out
About 7,100 people live across 346 square kilometres, around 21 people per square kilometre in 2021.
Otonabee-South Monaghan keeps growing.
How many people call Otonabee-South Monaghan home, and how fast that number is rising.
Census check: Otonabee-South Monaghan counted 6,670 people in the 2016 census and 7,087 in 2021. In 1996, before amalgamation, the area counted 6,749 people.
Census counts: Statistics Canada, 2021 Census of Population, as published in Wikipedia: Otonabee–South Monaghan. Canada's 2026 census results are not out until 2027.
How Otonabee-South Monaghan became Otonabee-South Monaghan.
From the first settlers to today, the moments that shaped the town.
Two townships become one
On January 1, 1998, the Township of Otonabee-South Monaghan was created through the amalgamation of Otonabee in the east and South Monaghan in the west.
Neighbours
Hiawatha First Nation is a neighbouring community, independent of township administration.
Otonabee and South Monaghan townships amalgamate.
The census counts 7,087 people, up 6.3% from 2016.
History summarized from the township community profile and Wikipedia: Otonabee–South Monaghan. Wikipedia text is available under CC BY-SA.
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Talk to Cheryl and Charlie for a straight answer on what your budget buys here, or what your home is worth.
Prices and market figures are CLAR averages for January to October 2026 and change monthly. Town details are general. Estimates only. Your lender, lawyer and tax adviser have the final word. Right At Home Realty, Brokerage.