MI - 2012 GOP Primary: Rick Santorum 37% - Mitt Romney 32% - Ron Paul 15% - (American Research Group 02/15/2012) chart & more info

Mitt Romney
Rick Santorum
  • Santorum +5

US - 2012 Presidential Election: Barack Obama 47% - Rick Santorum 44% - (Quinnipiac 02/14/2012) chart & more info

Rick Santorum
Barack Obama
  • Obama +3

US - 2012 GOP Primary: Rick Santorum 35% - Mitt Romney 26% - Newt Gingrich 14% - (Quinnipiac 02/14/2012) chart & more info

Mitt Romney
Rick Santorum
  • Santorum +9

NM - 2012 Presidential Election: Barack Obama 55% - Rick Santorum 37% - (Rasmussen 02/14/2012) chart & more info

Rick Santorum
Barack Obama
  • Obama +18

US - 2012 GOP Primary: Rick Santorum 39% - Mitt Romney 27% - Newt Gingrich 15% - (Rasmussen 02/14/2012) chart & more info

Mitt Romney
Rick Santorum
  • Santorum +12

MI - 2012 GOP Primary: Rick Santorum 34% - Mitt Romney 25% - Ron Paul 11% - (Mitchell Research/ Rosetta Stone 02/14/2012) chart & more info

Mitt Romney
Rick Santorum
  • Santorum +9

MI - 2012 GOP Primary: Rick Santorum 43% - Mitt Romney 33% - Newt Gingrich 11% - (MRG 02/13/2012) chart & more info

Mitt Romney
Rick Santorum
  • Santorum +10

AZ - 2012 GOP Primary: Mitt Romney 38% - Rick Santorum 31% - Newt Gingrich 15% - (American Research Group 02/13/2012) chart & more info

Rick Santorum
Mitt Romney
  • Romney +7

MI - 2012 GOP Primary: Rick Santorum 35% - Mitt Romney 32% - Ron Paul 13% - (Rasmussen 02/13/2012) chart & more info

Mitt Romney
Rick Santorum
  • Santorum +3

IA - 2012 Presidential Election: Rick Santorum 48% - Barack Obama 42% - (Des Moines Register 02/12/2012) chart & more info

Barack Obama
Rick Santorum
  • Santorum +6

CA - 2012 GOP Primary: Mitt Romney 31% - Rick Santorum 25% - Ron Paul 16% - (Field 02/11/2012) chart & more info

Rick Santorum
Mitt Romney
  • Romney +6

OH - 2012 Presidential Election: Rick Santorum 43% - Barack Obama 40% - (Fox News 02/11/2012) chart & more info

Barack Obama
Rick Santorum
  • Santorum +3

MI - 2012 GOP Primary: Rick Santorum 34% - Mitt Romney 30% - Newt Gingrich 12% - (Detroit News 02/11/2012) chart & more info

Mitt Romney
Rick Santorum
  • Santorum +4

MI - 2012 GOP Primary: Rick Santorum 33% - Mitt Romney 27% - Newt Gingrich 21% - (American Research Group 02/11/2012) chart & more info

Mitt Romney
Rick Santorum
  • Santorum +6

MI - 2012 Presidential Election: Barack Obama 50% - Rick Santorum 39% - (Public Policy Polling 02/10/2012) chart & more info

Rick Santorum
Barack Obama
  • Obama +11