| Caledonia No. 99 | |
| Official Name: | Rural Municipality of Caledonia No. 99 |
| 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: | 2 |
| Subdivision Type4: | division |
| Subdivision Name4: | 2 |
| Subdivision Type5: | Federal riding |
| Subdivision Name5: | Moose Jaw—Lake Centre—Lanigan |
| Subdivision Type6: | Provincial riding |
| Subdivision Name6: | Indian Head-Milestone Weyburn-Big Muddy |
| Government Footnotes: | [1] |
| Leader Title: | Reeve |
| Leader Name: | Mark Beck |
| Leader Title1: | Governing body |
| Leader Name1: | RM of Caledonia No. 99 Council |
| Leader Title2: | Administrator |
| Leader Name2: | Stephen Schury |
| Leader Title3: | Office location |
| Leader Name3: | Milestone |
| 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: | 845.68 |
| Population As Of: | 2016 |
| Population Total: | 245 |
| Population Density Km2: | 0.3 |
| Timezone: | CST |
| Timezone Dst: | CST |
| Coordinates: | 49.89°N -104.727°W[2] |
| Postal Code Type: | Postal code |
| Postal Code: | S0G 3L0 |
| Area Code: | 306 and 639 |
| Blank Name: | Highway(s) |
| Blank1 Name: | Railway(s) |
| Blank2 Name: | Waterway(s) |
The Rural Municipality of Caledonia No. 99 (2016 population:) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No. 2 and Division No. 2. It is located in the southeast portion of the province.
The RM of Caledonia No. 99 incorporated as a rural municipality on December 13, 1909.[3]
The following urban municipalities are surrounded by the RM.
The following unincorporated communities are located within the RM.
In the 2021 Census of Population conducted by Statistics Canada, the RM of Caledonia No. 99 had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of 846.76km2, it had a population density of in 2021.[6]
In the 2016 Census of Population, the RM of Caledonia No. 99 recorded a population of living in of its total private dwellings, a change from its 2011 population of . With a land area of 845.68km2, it had a population density of in 2016.[7]
The RM of Caledonia No. 99 is governed by an elected municipal council and an appointed administrator that meets on the first Tuesday of every month.[1] The reeve of the RM is Mark Beck while its administrator is Stephen Schury.[1] The RM's office is located in Milestone.[1]