| Official Name: | Foothills County |
| Other Name: | Municipal District of Sheep River No. 31 (1954) Municipal District of Foothills No. 31 (1954 - 2018) |
| Settlement Type: | Municipal district |
| Seal Type: | Logo |
| Blank Emblem Size: | 150px |
| Image Map1: | AB locator FOOTHILLS COUNTY.svg |
| Mapsize1: | 200 |
| Map Caption1: | Location |
| Subdivision Type: | Country |
| Subdivision Name: | Canada |
| Subdivision Type1: | Province |
| Subdivision Name1: | Alberta |
| Subdivision Type2: | Region |
| Subdivision Name2: | Calgary Region |
| Subdivision Type3: | Census division |
| Subdivision Name3: | 6 |
| Leader Title: | Reeve |
| Leader Name: | Delilah Miller |
| Leader Title1: | Governing body |
| Leader Name1: | Foothills County Council |
| Leader Title2: | CAO |
| Leader Name2: | Ryan Payne |
| Leader Title3: | Administrative office |
| Leader Name3: | High River |
| Established Title: | Established |
| Established Date: | 1944 |
| Established Title2: | Incorporated |
| Established Date2: | 1944 |
| Established Title3: | Name change |
| Established Date3: | January 1, 2019 |
| Area Footnotes: | (2021) |
| Area Land Km2: | 3604.76 |
| Population As Of: | 2021 |
| Population Total: | 23199 |
| Population Density Km2: | 6.4 |
| Timezone: | MST |
| Utc Offset: | −7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | −6 |
Foothills County is a municipal district in southern Alberta, Canada adjacent to the south side of Calgary in Census Division No. 6. Despite sharing a common border with the City of Calgary, it does not form part of the Calgary census metropolitan area (CMA) as defined by Statistics Canada. It is however a member municipality of the Calgary Metropolitan Region Board.
Foothills County was originally formed as the Municipal District (MD) of Sheep River No. 31 on January 1, 1954, through the amalgamation of portions of Improvement District No. 46 and the MDs of Highwood No. 31, Turner Valley No. 32, and Springbank No. 45.[1] Its name was changed to the MD of Foothills No. 31 shortly thereafter on March 25, 1954.[1] Foothills County assumed its present name on January 1, 2019.[2]
The following urban municipalities are surrounded by Foothills County.
The following hamlets are located within Foothills County.
The following localities are located within Foothills County.[3]
In the 2021 Census of Population conducted by Statistics Canada, Foothills County had a population of 23,199 living in 8,450 of its 9,075 total private dwellings, a change of from its 2016 population of 22,616. With a land area of, it had a population density of in 2021.[4]
In the 2016 Census of Population conducted by Statistics Canada, Foothills County had a population of 22,766 living in 8,156 of its 8,689 total private dwellings, a change from its 2011 population of 21,248. With a land area of 3636.8km2, it had a population density of in 2016.[5]