Hard to believe it is that high, what with the large numbers of elderly Jews, some of whom are demented or otherwise disabled to the point that they can't participate. Who drags all these people into the polls? Is there a lot of surrogate voting for them by the local 'rat machines?
The state's nearly 640,000 Jews are just 3.4 percent of Florida's population. But because they vote in extraordinarily high numbers, they are 6 to 8 percent of Florida's turnout, says Ira Sheskin, who runs the University of Miami's Jewish Demography Project.
In this part of Florida, Sheskin estimates Jewish turnout at 95 percent. "Jews aren't just registered," he says. "They actually vote."
The vast majority are Democrats. But in a state with a Jewish population third, behind only New York and California, and a county with one of the largest concentrations of Jews in the state, Dinerstein has clout.
A Brooklyn native, Dinerstein and his wife, Esther, the daughter of Holocaust survivors from Poland, moved to the gated community of Ballenisles 19 years ago after selling his financial services company at a tidy profit.
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Andy Warhol-style portraits of their two daughters grace the living room. The house is decorated with bold graphics and avant-garde sculpture, the wet bar stocked with Veuve Clicquot, the floor-to-soaring-ceiling windows overlooking one of three golf courses.
"The advantage of being the first of the first people in a community like this is, you get to pick your lot," Dinerstein says. He is talking real estate, but it could fairly be taken as a metaphor for his political philosophy. He hates handouts.
Vastly outnumbered politically, Republican Jews have kept a low profile here - particularly in country club communities where "condo commandos" act as ward leaders and can influence the quality of life.
"I supported McCain in the last election," said an 85-year-old Republican from Del Ray Beach. "And I paid a penalty for it where I live." He and his wife declined to speak on the record about the GOP primary, saying they did not want to invite blowback from their friends - all Democrats.