 In the 1922 census of Palestine conducted by the British Mandate authorities, Sara'a had a population 205, all Muslims, increasing in the 1931 census to 271, still all Muslims, in 65 houses.In the 1945 statistics the population of Saris was 340, all Muslims, who owned 4,967 dunams of land according to an official land and population survey.Of the land, 194 dunams were plantations and irrigable land and 2,979 were for cereals, while 16 dunams were built-up (urban) land.