A cikin ƙididdigar farko da Ofishin Kididdiga na Palasdinawa (PCBS) ya gudanar, a cikin 1997, yawan jama'ar Jericho ya kai 14,674. 'Yan gudun hijirar Falasdinawa sun kasance kashi 43.6% na mazaunan ko mutane 6,393. Jinin jinsi na gari ya kasance 51% maza da 49% mata. Jericho yana da matasa, tare da kusan rabin (49.2%) na mazaunan da ke ƙasa da shekaru 20. Mutanen da ke tsakanin shekaru 20 zuwa 44 sun kai kashi 36.2% na yawan jama'a, 10.7% tsakanin shekaru 45 zuwa 64, kuma 3.6% sun wuce shekaru 64. A cikin ƙididdigar 2007 ta PCBS, Jericho tana da yawan jama'a 18,346. Demographics sun bambanta sosai dangane da ƙabila mai rinjaye da mulki a yankin a cikin shekaru dubu uku da suka gabata. A cikin ƙasa da yawan jama'a da aka yi a shekara ta 1945 ta hanyar binciken Larabawa da Larabawa, mazaunan Jericho 3,010 ne. Sama da kashi 94% na Yahudawa ne, abin da aka ba da kashi na matasa (170) Tambaya: Menene yawan Yahudawa?
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