The community has the name of George Duffield Hall.
As a designated place in the 2016 Census of Population conducted by Statistics Canada, Duffield recorded a population of 67 living in 26 of its 30 total private dwellings, a change of −5.6% from its 2011 population of 71. With a land area of 0.32 km2 (0.12 sq mi), it had a population density of 209.4/km2 (542.3/sq mi) in 2016.
The population of Duffield according to Parkland County's 2009 municipal census is 69.
- Alberta Municipal Affairs (2010-04-01). "Specialized and Rural Municipalities and Their Communities" (PDF). Archived from the original (PDF) on 2012-02-29. Retrieved 2010-07-03. Cite uses deprecated parameter
- Place-names of Alberta. Ottawa: Geographic Board of Canada. 1928. p. 45.
- "Population and dwelling counts, for Canada, provinces and territories, and designated places, 2016 and 2011 censuses – 100% data (Alberta)". Statistics Canada. February 8, 2017. Retrieved February 13, 2017.
- Parkland County (June 29, 2009). "2009 Municipal Census". Archived from the original on July 15, 2011. Retrieved January 6, 2010. Cite uses deprecated parameter
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