In the
2021 Census of Population conducted by
Statistics Canada, the RM of Langenburg No. 181 had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of , it had a population density of in 2021. In the
2016 Census of Population, the RM of Langenburg No. 181 recorded a population of living in of its total private dwellings, a change from its 2011 population of . With a land area of , it had a population density of in 2016. == Government ==