Tuesday, January 3
1 stateTuesday, January 10
1 stateJon M. Huntsman, Jr.41,96416.9%
Saturday, January 21
1 stateNewt Gingrich244,06540.4%
Rick Santorum102,47517.0%
Tuesday, January 31
1 stateNewt Gingrich534,12131.9%
Rick Santorum223,24913.3%
Saturday, February 4
1 stateTuesday, February 7
2 statesSaturday, February 11
1 stateTuesday, February 28
2 statesRick Santorum138,03127.1%
Rick Santorum377,37237.9%
Super Tuesday — Tuesday, March 6
11 statesNewt Gingrich425,39547.2%
Rick Santorum176,25919.6%
Massachusetts
Mar 6 (caucus)
North Dakota
Mar 6 (caucus)
Rick Santorum448,58037.0%
Newt Gingrich177,18314.6%
Rick Santorum205,80937.1%
Newt Gingrich132,88924.0%
Saturday, March 10
1 stateTuesday, March 13
3 statesRick Santorum214,62834.5%
Newt Gingrich182,29229.3%
Saturday, March 17
1 stateRick Santorum139,27255.2%
Tuesday, March 20
1 stateRick Santorum326,77835.0%
Saturday, March 24
1 stateTuesday, April 3
3 statesDistrict of Columbia
Apr 3
Rick Santorum290,13936.8%
Super Tuesday — Tuesday, April 24
5 statesRick Santorum149,05618.4%
Tuesday, May 8
3 statesRick Santorum101,09310.4%
Tuesday, May 29
1 stateMitt Romney1,001,38769.1%
Super Tuesday — Tuesday, June 5
5 statesMitt Romney1,530,51379.5%