![Ultra-Orthodox Jews read the Esther scrolls at a synagogue in the Israeli town of Bnei Brak near Tel Aviv on March 7, 2012 during celebrations of the Purim holiday. The carnival-like Purim holiday is celebrated from the evening of March 7 with parades and costume parties to commemorate the deliverance of the Jewish people from a plot to exterminate them in the ancient Persian empire 2,500 years ago, as recorded in the Biblical Book of Esther.](https://pyxis.nymag.com/v1/imgs/bb7/a42/d087ad9a5c490185b9afc7a0b38b00ff3f-12-orthodox-jews.rsquare.w330.jpg)
And that number goes up to 64 percent for Jewish children in the metropolitan area, according to a new study by the UJA Federation of New York. The Jewish population in general is growing here, with more than 1.5 million members of the tribe in the eight counties surrounding the city.