later, dayr al-qassi was mostly muslim but had a large palestinian christian minority. according to the 1945 census it had 1,250 inhabitants; 370 christians and 880 muslims. together with the two villages of fassuta (existent) and al-mansura, the population was 2,300 and their total land area was 34,011 dunums. 1,607 dunams were plantations and irrigable land, 6,475 used for cereals, while 247 dunams were built-up (urban) land.