Mulmur is a township in Dufferin County in Southern Ontario, Canada. There are a number of original settlements such as Mulmur Corners, some of which can still be identified as to location, including Rosemont and Stanton.DemographicsPopulation trend: Population in 2006: 3318 Population in 2001: 3099 Population in 1996: 2903 Population in 1991: 2591