The Rural Municipality of Calder No. 241 (2016 population: ) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No. 9 and Division No. 4.
The RM of Calder No. 241 incorporated as a rural municipality on January 1, 1913.
The following urban municipalities are surrounded by the RM.
The following unincorporated communities are within the RM.
In the 2021 Census of Population conducted by Statistics Canada, the RM of Calder No. 241 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 Calder No. 241 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.
The RM of Calder No. 241 is governed by an elected municipal council and an appointed administrator that meets on the second Wednesday of every month. The reeve of the RM is Roy Derworiz while its administrator is Shandy Wegwitz. The RM's office is located in Wroxton.