|Census division||No. 6|
|Municipal district||M.D. of Foothills No. 31|
|• Reeve||Larry Spilak|
|• Governing body|
|• Total||0.54 km2 (0.21 sq mi)|
|• Density||490/km2 (1,300/sq mi)|
|Time zone||MST (UTC-7)|
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 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.
- "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.
- Alberta Municipal Affairs (2010-04-01). "Specialized and Rural Municipalities and Their Communities". 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
- Alberta Queen's Printer (1996-04-24). "Order in Council (O.C.) 173/96". Retrieved 2010-06-24.