In the
2021 Census of Population conducted by
Statistics Canada, Telfordville had a population of 35 living in 13 of its 16 total private dwellings, a change of from its 2016 population of 20. With a land area of , it had a population density of in 2021. As a designated place in the
2016 Census of Population conducted by Statistics Canada, Telfordville had a population of 20 living in 11 of its 15 total private dwellings, compared to its 2011 population of 0. With a land area of , it had a population density of in 2016. == See also ==