New Yorkers would vote to legalize Vegas-style casinos if the issue were on the ballot today, a new poll found.

Big Apple residents favor full-fledged casinos — with live card-table games and slots — 52 percent to 35 percent, said the Sienna College survey. Support for casinos was also strong in surrounding suburban counties (59 to 35 percent), but closer upstate (49 to 45 percent).