The Rural Municipality of King George No. 256 (2016 population: ) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No. 7 and Division No. 3.
The RM of King George No. 256 incorporated as a rural municipality on December 11, 1911.
In the 2021 Census of Population conducted by Statistics Canada, the RM of King George No. 256 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 King George No. 256 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 King George No. 256 is governed by an elected municipal council and an appointed administrator that meets on the second Tuesday of every month. The reeve of the RM is Bonnie Simonson while its administrator is Krista James. The RM's office is located in Dinsmore.