▁settled ▁in ▁Queens , ▁south ▁Brook lyn , ▁and ▁the ▁Bron x , ▁where ▁at ▁present ▁most ▁live ▁in ▁middle - class ▁neighborhood s . ▁The ▁number ▁of ▁Jews ▁is ▁especially ▁high ▁in ▁Brook lyn , ▁where ▁ 5 6 1 , 0 0 0 ▁residents — one ▁out ▁of ▁four ▁inhabitants — is ▁Jewish . ▁, ▁there ▁are ▁ 1 . 1 ▁million ▁Jews ▁in ▁New ▁York ▁City . ▁Bor ough ▁Park , ▁known ▁for ▁its ▁large ▁Orth odox ▁Jewish ▁population , ▁had ▁ 2 7 . 9 ▁birth s ▁per ▁ 1 , 0 0 0 ▁residents ▁in ▁ 2 0 1 5 , ▁making ▁it ▁the ▁neighborhood ▁with ▁the ▁city ' s ▁highest ▁birth ▁rate . ▁However , ▁the ▁most ▁rapidly ▁growing ▁community ▁of ▁American ▁Orth odox ▁Jews ▁is ▁located ▁in ▁Rock land ▁County ▁and ▁the ▁Hudson ▁Valley ▁of ▁New ▁York , ▁including ▁the ▁communities ▁of ▁Mon sey , ▁Mon roe , ▁New ▁Square , ▁Kir y as ▁Jo el , ▁and ▁Ram ap o . ▁Within ▁the ▁greater ▁New ▁York ▁metropol itan ▁area , ▁many ▁rapidly ▁growing ▁Orth odox ▁Jewish ▁communities ▁have ▁made ▁their ▁home ▁in ▁New ▁Jersey , ▁particularly ▁in ▁Lake wood ▁and ▁surrounding ▁Ocean ▁County , ▁where ▁Beth ▁Med r ash ▁G ov oh a , ▁the ▁world ' s ▁largest ▁yes h iva ▁outside ▁Israel , ▁is ▁located . ▁ ▁In ▁ 2 0 0 2 , ▁an ▁estimated ▁ 9 7 2 , 0 0 0 ▁Ash ken azi ▁Jews ▁lived ▁in ▁New ▁York ▁City