| Sarnia No. 221 | |
| Official Name: | Rural Municipality of Sarnia No. 221 |
| Settlement Type: | Rural municipality |
| Mapsize: | 200 |
| Subdivision Type: | Country |
| Subdivision Name: | Canada |
| Subdivision Type1: | Province |
| Subdivision Name1: | Saskatchewan |
| Subdivision Type2: | Region |
| Subdivision Type3: | Census division |
| Subdivision Name3: | 6 |
| Subdivision Type4: | division |
| Subdivision Name4: | 2 |
| Subdivision Type5: | Federal riding |
| Subdivision Type6: | Provincial riding |
| Government Footnotes: | [1] |
| Leader Title: | Reeve |
| Leader Name: | Carl Erlandson |
| Leader Title1: | Governing body |
| Leader Name1: | RM of Sarnia No. 221 Council |
| Leader Title2: | Administrator |
| Leader Name2: | Patti Vance |
| Leader Title3: | Office location |
| Leader Name3: | Holdfast |
| Established Title: | Formed |
| Established Title2: | Formed |
| Established Date2: | December 13, 1909 |
| Established Title3: | Name change |
| Established Title4: | Name change |
| Established Title5: | Amalgamated |
| Area Footnotes: | (2016) |
| Area Land Km2: | 870.73 |
| Population As Of: | 2016 |
| Population Total: | 322 |
| Population Density Km2: | 0.4 |
| Timezone: | CST |
| Timezone Dst: | CST |
| Coordinates: | 50.937°N -105.19°W[2] |
| Postal Code Type: | Postal code |
| Area Code: | 306 and 639 |
| Blank Name: | Highway(s) |
| Blank1 Name: | Railway(s) |
| Blank2 Name: | Waterway(s) |
The Rural Municipality of Sarnia No. 221 (2016 population:) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No. 6 and Division No. 2. It is located in the south-central portion of the province.
The RM of Sarnia No. 221 incorporated as a rural municipality on December 13, 1909.[3]
The following urban municipalities are surrounded by the RM.
The following unincorporated communities are within the RM.
The following is a list of notable lakes and rivers in the RM:
The following is a list of parks in the RM:
In the 2021 Census of Population conducted by Statistics Canada, the RM of Sarnia No. 221 had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of 863.89km2, it had a population density of in 2021.[5]
In the 2016 Census of Population, the RM of Sarnia No. 221 recorded a population of living in of its total private dwellings, a change from its 2011 population of . With a land area of 870.73km2, it had a population density of in 2016.[6]
The RM of Sarnia No. 221 is governed by an elected municipal council and an appointed administrator that meets on the second Wednesday of every month.[1] The reeve of the RM is Carl Erlandson while its administrator is Patti Vance.[1] The RM's office is located in Holdfast.[1]