▁Com mer cial ▁area ▁The ▁Qu ad rangle ▁Sho pping ▁Village ▁in ▁Ed ing burgh ▁Road ▁features ▁an ▁I GA ▁super market ▁as ▁of ▁ 2 0 1 2 ▁and ▁other ▁special ty ▁sh ops . ▁A ▁small ▁group ▁of ▁sh ops ▁is ▁located ▁opposite . ▁ ▁Population ▁According ▁to ▁the ▁ 2 0 1 6 ▁census , ▁there ▁were ▁ 2 , 9 3 9 ▁residents ▁in ▁Castle c rag . ▁▁ 6 5 . 0 % ▁of ▁people ▁were ▁born ▁in ▁Australia . ▁The ▁next ▁most ▁common ▁country ▁of ▁birth ▁was ▁England ▁at ▁ 6 . 2 %. ▁ 7 7 . 4 % ▁of ▁people ▁only ▁spoke ▁English ▁at ▁home . ▁Other ▁languages ▁spoken ▁at ▁home ▁included ▁Mand arin ▁at ▁ 4 . 3 %. ▁The ▁most ▁common ▁responses ▁for ▁religion ▁were ▁No ▁Religion ▁ 3 3 . 1 %, ▁Catholic ▁ 2 5 . 2 % ▁and ▁Ang lic an ▁ 1 8 . 0 %. ▁ ▁The ▁median ▁week ly ▁household ▁income ▁was ▁$ 3 , 7 9 9 ▁compared ▁with ▁$ 1 , 4 3 8 ▁for ▁all ▁of ▁Australia . ▁ 9 6 . 5 % ▁of ▁all ▁occupied ▁dwell ings ▁in ▁Castle c rag ▁were ▁separate ▁houses . ▁ ▁Castle c rag ▁is ▁a ▁rather ▁aff lu ent ▁har b ours ide ▁area ▁of ▁Sydney . ▁More ▁than ▁half ▁of ▁its ▁households ▁enjoy ▁in comes ▁that ▁are ▁within ▁the ▁top ▁quart ile ▁of ▁Sydney , ▁but ▁there ▁are ▁exceptions ▁reflected ▁in ▁the ▁median ▁house ▁price