2012 State-by-State Primary Results

During the 2012 presidential election, there was no challenger to Barack Obama for the Democratic Party nomination. But there were many different politicians competing to claim the Republican Party nomination to represent the party in the general election.

This time line tracks the results of the individual states primary voting. Much of the news and media coverage of the early part of the presidential election focused on which Republican would win the most primary delegates and earn the party nomination.

  • January 3, 2012


    On January 3, at the Iowa Straw Poll–which is the traditional start of the primary season, Rick Santorum edged out Mitt Romney with 24.6% of the votes cast. Romney received 24.5%.

  • January 10, 2012

    New Hampshire

    The other traditional starting point for the primary season is in New Hampshire. In this contest, Mitt Romney was the clear winner. His 39.3% winning vote total put him ahead of this state’s second place winner, Ron Paul. Paul won 22.9% of the New Hampshire votes cast.

  • January 21, 2012


    Here, Newt Gingrich was the dominant winner. He claimed 40.4% of the vote. Mitt Romney came in a distant second with 27.8%.

  • January 31, 2012


    Mitt Romney becomes the first Republican hopeful to win more than one primary by claiming this Deep South GOP hot spot. Romney got 46.4% of the votes. Newt Gingrich performed well again in the South with 31.9%.

  • February 4, 2012

    Maine & Nevada

    Mitt Romney’s campaign gets some momentum. He wins the Maine primaries (which begin collecting votes on February 4) and also wins in Nevada. Romney’s Maine totals are 39.2%, followed by Ron Paul’s 35.7%. In Nevada, Romney collected 50.1% of the votes to Newt Gingrich’s 21.1%.

  • February 7, 2012

    Colorado & Minnesota

    Rick Santorum gets back into the winners column by picking up these two states. He defeated Romney 40.3% to 34.9% in Colorado. And in Minnesota, he outpaced Ron Paul 44.9% to 27.1%.

  • February 28, 2012

    Arizona & Michigan

    Mitt Romney strikes back with more primary wins in the west and midwest. In Arizona he topped Santorum’s 26.6% of the vote with 47.3%. In Michigan Romney collected 41.1% and Santorum only received 37.9% of the primary ballots.

  • March 3, 2012


    Romney wins again. His 37.6% of the votes cast top another strong performance by Santorum, who received 23.8%. But it was actually Ron Paul won came in second, edging out Santorum with his own 24.8% vote total.

  • March 6, 2012


    Mitt Romney claimed the most primary wins and the most delegates on this blockbuster day. Romney won Alaska (32.4%), Idaho (61.6%), Massachusetts (72.2%), Ohio (37.9%), Vermont (39.7%), Virginia (59.5%), and Wyoming (44.0%).

    But Rick Santorum performed pretty well himself on Super Tuesday. He captured delegates in North Dakota (39.7%), Oklahoma (33.8%), and Tennessee (37.2%).

    Newt Gingrich also gains some notice again with a big win in Georgia (47.2%).

    At the end of the day, Romney gained another 260 Republican delegates for his performance across these state primaries. Gingrich gained 52 needed delegates and Santorum captured another 89 delegates.

  • March 10, 2012

    Guam, Kansas, Northern Marianas Islands, & Virgin Islands

    Romney swept all of the votes in the Guam primaries and also won 87.3% of the votes in the Northern Marianas. He also won the Virgin Islands with 26.7% of those votes cast. Santorum claimed the Kansas primary by winning 51.2% compared to Romney’s 20.9%.

  • March 13, 2012

    Alabama, American Samoa, Hawaii, & Mississippi

    Matching the pattern that had been building over the last few months, Mitt Romney and Rick Santorum were the winners once again. Santorum added two more states in the Deep South with 34.5% of the votes in Alabama and 32.8% of the votes in Mississippi. But Romney added to his lead with a sweep in American Samoa and 44.5% of the Hawaii vote.

  • March 18, 2012

    Puerto Rico

    Romney won again with a dominating 88.0% of the votes. The next closest opponent in this island primary was Santorum with only 8.5%.

  • March 20, 2012


    The Romney delegate train keeps chugging along. Rick Santorum grabbed a respectable 35.0% of these votes, but Romney pulled further ahead in the delegate count with 46.7% of the total ballots cast.

  • March 24, 2012


    Santorum wins again in the South! 49.0% of the ballots went to him. But Romney won’t go away. He posted 26.7% of the ballots in his column. Gingrich grabbed almost 16% but the lack of consistent wins is calling his candidacy into question.

  • April 3, 2012

    District of Columbia, Maryland, & Wisconsin

    The Mitt Romney campaign reasserted itself strongly on this date. Romney won all three of these primary contests, putting his other Republican opponents in severe danger going forward. The Romney totals: 70.2% in the nation’s capital, 49.2% in neighboring Maryland, and 44.1% in Wisconsin. Rick Santorum came in second in Maryland and Wisconsin and Gingrich posted second in D.C.

  • April 15, 2012

    Rick Santorum ends campaign

    Today, Rick Santorum announced the end of his campaign for the Republican nomination. Though he had been a consistent second place opponent against Romney and won ten primaries on his own merits. But he could not adequately stop the growing sense that Mitt Romney is becoming the Republican front runner for the White House general election.

  • April 24, 2012

    Connecticut, Delaware, New York, Pennsylvania, Rhode Island

    With Santorum officially out of the race, Romney momentum kicked into high gear at the end of this day. Romney claimed all of these states handedly. He snapped up 67.5% of the votes in Connecticut, 56.5% of the ballots in Delaware, as well as 63.3% of the New York votes and 58.0% of the choices in Pennsylvania.

  • April 27, 2012

    Newt Gingrich calls it quits

    The former Speaker of the House ended his own campaign today. Gingrich never put together a significant number of primary wins to be a serious roadblock to the Romney campaign.

  • May 8, 2012

    Indiana, North Carolina, West Virginia

    Now largely unopposed, Mitt Romney  began checking off primary win and primary win on his way to the Republican National Convention. He won each of these primaries with at least 64% of the ballots cast.

  • May 15, 2012

    Nebraska & Oregon

    Again Romney defeated all comers. In Nebraska, he dominated with 70.9% of the votes and in Oregon the totals were even higher–72.1%.

  • May 22, 2012

    Arkansas & Kentucky

    Romney’s campaign grabbed a few Southern states at this late stage of the game. In Arkansas his vote percentage was 68.3% and in the Bluegrass state it was 66.8%.

  • May 29, 2012


    Texas was the only contest on this date and it was now no contest for Mitt Romney. By officially winning 69.0% of the ballots, Romney officially went over the minimum number of party delegates needed to “claim” to be the default nominee.

    Modern history says that the party candidate who reaches the minimum number of 1,144 delegates during the primary contests will be the party convention’s de facto nominee at the convention August 27-August 30.

  • June 5, 2012

    California, Montana, New Jersey, New Mexico, & South Dakota

    Romney’s totals in these primaries:

    California 79.7%

    Montana 68.4%

    New Jersey 81.3%

    New Mexico 73.3%

    South Dakota 66.1%

  • June 26, 2012


    It was just a formality at this point, but Utah had the honor of closing out the Republican primary season by handing Mitt Romney 93.1% of its ballots.

    Next up? The Republican National Convention!