|Census division||No. 6|
|Municipal district||M.D. of Foothills No. 31|
|• Governing body|
|• Land||0.48 km2 (0.19 sq mi)|
|Time zone||UTC-7 (MST)|
Cayley is approximately 73 kilometres (45 mi) south of Calgary, 13 kilometres (8.1 mi) south of High River and 1.2 kilometres (0.75 mi) west of Highway 2 on Range Road 290 (former designated as Highway 2A). It is located within Alberta Census Division No. 6.
The community was named for the Hon. Hugh St. Quentin Cayley, a barrister and the publisher of the Calgary Herald in 1884, who also represented Calgary in the Northwest Territories legislature from 1886 to 1894. The hamlet originally contained at least seven grain elevators; all have been demolished. Cayley is also home to a Hutterite colony and a colony school; in 2001, two Cayley Colony girls were the first students from an Alberta colony school to write provincial diploma exams and graduate from high school.
As a designated place in the 2016 Census of Population conducted by Statistics Canada, Cayley recorded a population of 340 living in 143 of its 143 total private dwellings, a change of 28.3% from its 2011 population of 265. With a land area of 0.48 km2 (0.19 sq mi), it had a population density of 708.3/km2 (1,834.6/sq mi) in 2016.
As a designated place in the 2011 Census, Cayley had a population of 265 living in 97 of its 104 total dwellings, a -18.5% change from its 2006 population of 325. With a land area of 0.54 km2 (0.21 sq mi), it had a population density of 491/km2 (1,271/sq mi) in 2011.
|Sources:  |
- List of communities in Alberta
- List of designated places in Alberta
- List of former urban municipalities in Alberta
- List of hamlets in Alberta
- "Population and dwelling counts, for Canada, provinces and territories, and designated places, 2016 and 2011 censuses – 100% data (Alberta)". Statistics Canada. February 8, 2017. Retrieved February 13, 2017.
- Alberta Municipal Affairs (2010-04-01). "Specialized and Rural Municipalities and Their Communities" (PDF). Archived from the original (PDF) on 2012-02-29. Retrieved 2010-06-24.
- Statistics Canada (2007). "Population and dwelling counts, for Canada, provinces and territories, and designated places, 2006 and 2001 censuses". Retrieved 2010-01-30.
- "Hugh St. Quenton Cayley biography". Southern Alberta Pioneers. Retrieved 2007-12-07.
- "Alberta Teachers' Association - In the News - Two firsts for Cayley Colony School". Archived from the original on 2007-09-27. Retrieved 2006-11-13.
- Alberta Queen's Printer (1996-04-24). "Order in Council (O.C.) 173/96" (PDF). Retrieved 2010-06-24.
- "Population and dwelling counts, for Canada, provinces and territories, and designated places, 2011 and 2006 censuses (Alberta)". Statistics Canada. 2012-02-08. Retrieved 2012-04-06.