The Rural Municipality of Newcombe No. 260 (2016 population: ) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No. 8 and Division No. 3. It is located in the west-central portion of the province.
The RM of Newcombe No. 260 incorporated as a rural municipality on December 11, 1911. It is named after Allan Simpson Newcombe who played a leadership role in establishing the Boston Colony of immigrants from Massachusetts.
There is one designated heritage property in the RM.
The following unincorporated communities are within the RM.
In the 2021 Census of Population conducted by Statistics Canada, the RM of Newcombe No. 260 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 Newcombe No. 260 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 Newcombe No. 260 is governed by an elected municipal council and an appointed administrator that meets on the second Thursday of every month. The reeve of the RM is Ken McBride while its administrator is Monica Buddecke. The RM's office is located in Glidden.
The RM is at the intersection of Highway 21 and Highway 44. The Lemsford Ferry is located within the RM.