New York City is filled with anecdotal stories about rich people moving to Florida for lower taxes. A columnist in the New York Post wrote this year that, "One friend says 10 wealthy people have told him they are leaving and another says disgusted New Yorkers bought $1 billion in residential property in Florida."
Former Mayor Michael Bloomberg once said that "whether you think it's right or not, the wealthy are mobile."
They are mobile. But the data suggests that few of them are mobilizing to Florida.
Read MoreWhere the millionaires are...
A new report finds that wealthy New York City residents don't leave New York City at a greater rate than the non-wealthy. The report, from the non-partisan Independent Budget Office, found that 1.8 percent of those earning more than $500,000 left the city in 2012—or the same rate as lower-income households.