Oklahoma poll: Carson 25, Trump 19, Rubio 9, Cruz 7

Polling at less than 5 percent were former Arkansas Gov. Mike Huckabee, former Florida Gov. Jeb Bush, New Jersey Gov. Chris Christie, Ohio Gov. John Kasich, former Hewlett-Packard CEO Carly Fiorina, Kentucky Sen. Rand Paul, South Carolina Sen. Lindsey Graham, Louisiana Gov. Bobby Jindal, former Pennsylvania Sen. Rick Santorum and former New York Gov. George Pataki.