| Frontier No. 19 | |
| Official Name: | Rural Municipality of Frontier No. 19 |
| Settlement Type: | Rural municipality |
| Image Map1: | SK RM 19 Frontier.svg |
| Mapsize1: | 200 |
| Map Caption1: | Location of the RM of Frontier No. 19 in Saskatchewan |
| Subdivision Type: | Country |
| Subdivision Name: | Canada |
| Subdivision Type1: | Province |
| Subdivision Name1: | Saskatchewan |
| Subdivision Type2: | Region |
| Subdivision Type3: | Census division |
| Subdivision Name3: | 4 |
| Subdivision Type4: | division |
| Subdivision Name4: | 3 |
| Subdivision Type5: | Federal riding |
| Subdivision Name5: | Cypress Hills--Grasslands |
| Subdivision Type6: | Provincial riding |
| Subdivision Name6: | Cypress Hills |
| Government Footnotes: | [1] |
| Leader Title: | Reeve |
| Leader Name: | Troy Heggestad |
| Leader Title1: | Governing body |
| Leader Name1: | RM of Frontier No. 19 Council |
| Leader Title2: | Administrator |
| Leader Name2: | Barb Webber |
| Leader Title3: | Office location |
| Leader Name3: | Frontier |
| Established Title: | Formed |
| Established Title2: | Formed |
| Established Date2: | January 1, 1913 |
| Established Title3: | Name change |
| Established Title4: | Name change |
| Established Title5: | Amalgamated |
| Area Footnotes: | (2016) |
| Area Land Km2: | 1675.02 |
| Population As Of: | 2016 |
| Population Total: | 326 |
| Population Density Km2: | 0.2 |
| Timezone: | CST |
| Timezone Dst: | CST |
| Coordinates: | 49.147°N -108.759°W[2] |
| Postal Code Type: | Postal code |
| Postal Code: | S0N 0W0 |
| Area Code: | 306 and 639 |
| Blank Name: | Highway(s) |
| Blank1 Name: | Railway(s) |
| Blank2 Name: | Waterway(s) |
The Rural Municipality of Frontier No. 19 (2016 population:) is a rural municipality (RM) in the Canadian province of Saskatchewan within Census Division No. 4 and Division No. 3. Located in the southwest portion of the province, it is adjacent to the United States border, neighbouring Blaine County in Montana.
The RM of Frontier No. 19 incorporated as a rural municipality on January 1, 1913.[3] The name of the RM originated in 1912, reflecting its position along the United States boundary. The first Frontier post office, opened 1917, was just four miles north of the border. The Village of Frontier took its name from the surrounding RM in 1923.[4]
The following urban municipalities are surrounded by the RM.
The following unincorporated communities are within the RM.
In the 2021 Census of Population conducted by Statistics Canada, the RM of Frontier No. 19 had a population of living in of its total private dwellings, a change of from its 2016 population of . With a land area of 1631.39km2, it had a population density of in 2021.[5]
In the 2016 Census of Population, the RM of Frontier No. 19 recorded a population of living in of its total private dwellings, a change from its 2011 population of . With a land area of 1675.02km2, it had a population density of in 2016.[6]
The RM of Frontier No. 19 is governed by an elected municipal council and an appointed administrator that meets on the second Tuesday of every month.[1] The reeve of the RM is Troy Heggestad while its administrator is Barb Webber.[1] The RM's office is located in Frontier.[1]