Spallumcheen is a district municipality in the Canadian province of British Columbia. Located in the Okanagan region between Vernon and Enderby, the township had a population of 5,055 and land area of 255.77 square kilometres in the Canada 2011 Census. The district, whose official name is the Township of Spallumcheen and which is the oldest rural municipality in the British Columbia Interior, consists primarily of agricultural land surrounding the separately incorporated City of Armstrong.