Early polling in Oklahoma showed Oklahoma Republicans preferred Rudy Giuliani over John McCain. A February 9–13, 2007 by the
American Research Group showed Oklahoma Republicans preferred Rudy Giuliani, 37%, over John McCain, 21%. Three months later, a May 16, 2007
Tulsa World/
KOTV poll showed Rudy Giuliani, 32%, retained his lead over John McCain, 23%. By December 2007, Mike Huckabee had started to make headway in both national polling and in Oklahoma. A December 16–19, 2007 Tulsa World/KOTV poll showed Mike Huckabee 29%, John McCain 17%, and Rudy Giuliani 11%. Huckabee retained his lead leading into mid-January. A January 11–13, 2008
Survey USA poll showed Mike Huckabee 31% and John McCain 29%. Rudy Giuliani had slipped to fourth with 11%. With the primaries less than two weeks away, John McCain started polling better than Mike Huckabee. A January 27, 2008 poll by Survey USA showed Mike Huckabee with 28% and John McCain 37%. With just two days before the Oklahoma Republican primary, another Survey USA poll showed John McCain retained his lead at 37% and Mike Huckabee at 32%. ==Allocation of delegates==