7 (2016 population: 249) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No.

Located in the southeast portion of the province, it is adjacent to the United States border, neighbouring Divide County in North Dakota.

The original homesteader on the land, Frank Foster, had planted a grove of trees at the site in 1908.

[6][7][8] In the 2021 Census of Population conducted by Statistics Canada, the RM of Souris Valley No.

7 is governed by an elected municipal council and an appointed administrator that meets on the second Tuesday of every month.

[3] The reeve of the RM is Robert Forrester while its administrator is Erica Pederson.