WSJ: The ranks of the ultrawealthy grow. From 2004 tax reports, the number of individuals with net worth of more than $2 million is is less than 1.5 million individuals. For the top range of $20 million or more, only 47,000 peole were at that level.
California had the largest number of residents with a net worth of $1.5 million or more, with 428,000 in 2004. Florida came in second, with 199,000, followed by New York (168,000), Texas (108,000), Illinois (101,000), Pennsylvania (86,000) and Massachusetts (83,000).