Guernsey is an organized hamlet within the Rural Municipality of Usborne No.

310[3] in the Canadian province of Saskatchewan.

It previously held village status until it was dissolved in 2005.

Prior to December 31, 2005, Guernsey was incorporated as a village, and dissolved becoming under the jurisdiction of the Rural Municipality of Usborne No.

[4] In the 2021 Canadian census conducted by Statistics Canada, Guernsey had a population of 95 living in 40 of its 51 total private dwellings, a change of -2.1% from its 2016 population of 97.