There might be more people in the US who identify themselves as Jews than previously thought.

... U.S. population." About 65 percent of American Jews live in just six states, according to the study's estimates: New York (20 percent), California (14 percent), Florida (12 percent), New Jersey (8 percent), Massachusetts (5 percent) and Pennsylvania ...

http://www.jewishpress.com/news/breaking-news/new-study-extrapolates-6-8-million-jews-living-in-us/2013/10/01/