Campaign 2008: Primary and Caucus Results

Updated August 5, 2020 | Infoplease Staff

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Caucuses and primary elections are ways for the general public to participate in nominating presidential candidates.

At a caucus, local party members gather to nominate a candidate. Caucuses are typically lively events at which party members and activists debate issues and consider candidates. The rules governing caucus procedures vary by party and by state.

A primary is more like a general election. Voters go to the polls to cast their votes for a presidential candidate (or delegates who will represent that candidate at the party convention). A primary is the main way voters choose a nominee.

January 3, 2008:

Iowa
Democratic Caucus Results: Barack Obama 37.6%, John Edwards 29.7%, Hillary Clinton 29.5%, Bill Richardson 2.1%, Joe Biden 0.9%, Chris Dodd 0.0%
Note: Joseph Biden and Christopher Dodd dropped out of the race on January 3, 2008.


Republican Caucus Results: Mike Huckabee 34.3%, Mitt Romney 25.3%, Fred Thompson 13.4%, John McCain 13.1%, Ron Paul 10.0%, Rudy Giuliani 3.5%, Duncan Hunter 0.4%

January 8, 2008:

New Hampshire
Democratic Primary Results: Hillary Clinton 39.2%, Barack Obama 36.4%, John Edwards 16.9%, Bill Richardson 4.6%, Dennis J. Kucinich 1.4%

Republican Primary Results: John McCain 37.2%, Mitt Romney 31.6%, Mike Huckabee 11.2%, Rudy Giuliani 8.6%, Ron Paul 7.6%, Fred Thompson 1.2%, Duncan Hunter 0.5%

January 15, 2008:

Michigan
Democratic Primary Results: Hillary Clinton 55.4%, uncommitted 39.9%. Michigan broke Democratic National Committee rules by holding an early primary, and the DNC plans to bar the state from sending delegates to the national convention. Barack Obama and John Edwards withdrew their names from the ballot because of the violation.

Republican Primary Results: Mitt Romney 38.9%, John McCain 29.7%, Mike Huckabee 16.1%, Ron Paul 6.3%, Fred Thompson 3.7%, Rudy Giuliani 2.8%, Duncan Hunter 0.3%

January 19, 2008:

South Carolina
Republican Primary Results: John McCain 33.2%, Mike Huckabee 29.9%, Fred Thompson 15.7%, Mitt Romney 15.1%, Ron Paul 3.7%, Rudy Giuliani 2.1%, Duncan Hunter 0.2%. South Carolina broke Republican National Committee rules by holding an early primary, and the RNC plans to strip the state of half of itss delegates to the national convention.

Nevada
Democratic Caucus Results: Hillary Clinton 50.7%, Barack Obama 45.2%, John Edwards 3.8%

Republican Caucus Results: Mitt Romney 51.1%, Ron Paul 13.7%, John McCain 12.7%, Mike Huckabee 8.2%, Fred Thompson 7.9%, Rudy Giuliani 4.3%, Duncan Hunter 2.0%

January 25, 2008:

South Carolina
Democratic Caucus Results: Barack Obama 55.4%, Hillary Clinton 26.5%, John Edwards 17.6%

January 29, 2008:

Florida
Democratic Primary Results: Hillary Clinton 49.7%, Barack Obama 33%, John Edwards 14.4%. Flordia broke Democratic National Committee rules by holding an early primary, and the DNC plans to bar the state from sending delegates to the national convention.

Republican Primary Results: John McCain 36%, Mitt Romney 31.1%, Rudy Giuliani 14.6%, Mike Huckabee 13.5%, Ron Paul 3.2%, Fred Thompson 1.2%, Duncan Hunter 0.1%

February 1, 2008:

Maine
Rebublican Caucus Results: Mitt Romney 52%, John McCain 21%, Ron Paul 19%, Mike Huckabee 6%

February 5, 2008:

Alabama
Democratic Primary Results: Barack Obama 56%, Hillary Clinton 42%
Rebublican Primary Results: Mike Huckabee 41%, John McCain 37%, Mitt Romney 18%, Ron Paul 3%

Alaska
Democratic Caucus Results: Barack Obama 74%, Hillary Clinton 25%
Republican Caucus Results: Mitt Romney 44%, Mike Huckabee 22%, Ron Paul 17%, John McCain 16%

Arizona
Democratic Primary Results: Hillary Clinton 51%, Barack Obama 42%
Republican Primary Results: John McCain 47%, Mitt Romney 34%, Mike Huckabee 9%, Ron Paul 4%

Arkansas
Democratic Primary Results: Hillary Clinton 69%, Barack Obama 27%
Republican Primary Results: Mike Huckabee 60%, John McCain 20%, Mitt Romney 13%, Ron Paul 5%

California
Democratic Primary Results: Hillary Clinton 52%, Barack Obama 42%
Republican Primary Results: John McCain 42%, Mitt Romney 34%, Mike Huckabee 12%, Ron Paul 4%

Colorado
Democratic Caucus Results: Barack Obama 67%, Hillary Clinton 32%
Republican Caucus Results: Mitt Romney 59%, John McCain 19%, Mike Huckabee 13%, Ron Paul 8%

Connecticut
Democratic Primary Results: Barack Obama 51%, Hillary Clinton 47%
Republican Primary Results: John McCain 52%, Mitt Romney 33%, Mike Huckabee 7%, Ron Paul 4%

Delaware
Democratic Primary Results: Barack Obama 53%, Hillary Clinton 42%
Republican Primary Results: John McCain 45%, Mitt Romney 33%, Mike Huckabee 15%, Ron Paul 2%

Georgia
Democratic Primary Results: Barack Obama 66%, Hillary Clinton 31%
Republican Primary Results: Mike Huckabee 34%, John McCain 32%, Mitt Romney 30%, Ron Paul 3%

Idaho
Democratic Caucus Results: Barack Obama 80%, Hillary Clinton 17%

Illinois
Democratic Primary Results: Barack Obama 64%, Hillary Clinton 33%
Republican Primary Results: John McCain 47%, Mitt Romney 29%, Mike Huckabee 17%, Ron Paul 5%

Kansas
Democratic Caucus Results: Barack Obama 74%, Hillary Clinton 26%

Massachusetts
Democratic Primary Results: Hillary Clinton 56%, Barack Obama 41%
Republican Primary Results: Mitt Romney 51%, John McCain 41%, Mike Huckabee 4%, Ron Paul 3%

Minnesota
Democratic Caucus Results: Barack Obama 67%, Hillary Clinton 32%
Republican Caucus Results: Mitt Romney 42%, John McCain 22%, Mike Huckabee 20%, Ron Paul 16%

Missouri
Democratic Primary Results: Barack Obama 49%, Hillary Clinton 48%
Republican Primary Results: John McCain 33%, Mike Huckabee 32%, Mitt Romney 29%, Ron Paul 4%

Montana
Republican Caucus Results: Mitt Romney 38%, Ron Paul 25%, John McCain 22%, Mike Huckabee 15%

New Jersey
Democratic Primary Results: Hillary Clinton 54%, Barack Obama 44%
Republican Primary Results: John McCain 55%, Mitt Romney 28%, Mike Huckabee 8%, Ron Paul 5%

New Mexico
Democratic Caucus Results: Barack Obama 48%, Hillary Clinton 48%

New York
Democratic Primary Results: Hillary Clinton 57%, Barack Obama 40%
Republican Primary Results: John McCain 51%, Mitt Romney 28%, Mike Huckabee 11%, Ron Paul 6%

North Dakota
Democratic Caucus Results: Barack Obama 61%, Hillary Clinton 37%
Republican Caucus Results: Mitt Romney 36%, John McCain 23%, Ron Paul 21%, Mike Huckabee 20%

Oklahoma
Democratic Primary Results: Hillary Clinton 55%, Barack Obama 31%
Republican Primary Results: John McCain 37%, Mike Huckabee 33%, Mitt Romney 25%, Ron Paul 3%

Tennessee
Democratic Primary Results: Hillary Clinton 54%, Barack Obama 41%
Republican Primary Results: Mike Huckabee 34%, John McCain 32%, Mitt Romney 24%, Ron Paul 6%

Utah
Democratic Primary Results: Barack Obama 57%, Hillary Clinton 39%
Republican Primary Results: Mitt Romney 90%, John McCain 5%, Ron Paul 3%, Mike Huckabee 1%

West Virginia
Republican Convention Results: Mike Huckabee 52%, Mitt Romney 47%, John McCain 1%, Ron Paul 0%

February 9, 2008:

Kansas
Republican Caucus Results: Mike Huckabee 60%, John McCain 24%, Ron Paul 11%, Mitt Romney 3%

Louisiana
Democratic Primary Results: Barack Obama 57%, Hillary Clinton 36%, John Edwards 3%
Republican Caucus Results: Mike Huckabee 43%, John McCain 42%, Mitt Romney 6%, Ron Paul 5%, Rudy Giuliani 1%

Nebraska
Democratic Caucus Results: Barack Obama 68%, Hillary Clinton 32%

Washington
Democratic Caucus Results: Barack Obama 68%, Hillary Clinton 31%
Republican Caucus Results: John McCain 26%, Mike Huckabee 24%, Ron Paul 21%, Mitt Romney 17%

February 10, 2008:

Maine
Democratic Caucus Results: Barack Obama 59%, Hillary Clinton 40%

February 12, 2008:

District of Columbia
Democratic Caucus Results: Barack Obama 75%, Hillary Clinton 24%
Republican Primary Results: John McCain 68%, Mike Huckabee 17%, Ron Paul 8%

Maryland
Democratic Primary Results: Barack Obama 59%, Hillary Clinton 37%
Republican Primary Results: John McCain 55%, Mike Huckabee 29%, Ron Paul 6%

Virginia
Democratic Primary Results: Barack Obama 64%, Hillary Clinton 35%
Republican Primary Results: John McCain 50%, Mike Huckabee 41%, Ron Paul 5%

February 19, 2008:

Hawaii
Democratic Caucus Results: Barack Obama 76%, Hillary Clinton 24%
8%

Washington
Republican Primary Results: John McCain 49%, Mike Huckabee 22%, Ron Paul 7%

Wisconsin
Democratic Primary Results: Barack Obama 58%, Hillary Clinton 41%
Republican Primary Results: John McCain 55%, Mike Huckabee 37%, Ron Paul 5%

March 5, 2008:

Ohio
Democratic Primary Results: Hillary Clinton 54%, Barack Obama 44%
Republican Primary Results: John McCain 60%, Mike Huckabee 31%, Ron Paul5%

Rhode Island
Democratic Primary Results: Hillary Clinton 58%, Barack Obama 40%
Republican Primary Results: John McCain 65%, Mike Huckabee 22%, Ron Paul 7%

Texas
Democratic Primary Results: Hillary Clinton 54%, Barack Obama 44%
Republican Primary Results: John McCain 51%, Mike Huckabee 38%, Ron Paul 5%
Democratic Caucus Results: Hillary Clinton 52%, Barack Obama 48%

Vermont
Democratic Primary Results: Barack Obama 60%, Hillary Clinton 38%
Republican Primary Results: John McCain 72%, Mike Huckabee 14%, Ron Paul 7%

March 8, 2008:

Wyoming
Democratic Caucus Results: Barack Obama 61.4%, Hillary Clinton 37.8%

March 11, 2008:

Mississippi
Democratic Primary Results: Barack Obama 60.7%, Hillary Clinton 37.1%
Republican Primary Results: John McCain 78.9%, Mike Huckabee 12.5%, Ron Paul3.9%

April 22, 2008:

Pennsylvania
Democratic Primary Results: Hillary Clinton 54.7%, Barack Obama 45.3%
Republican Primary Results: John McCain 72.7%, Ron Paul 15.9%, Mike Huckabee 11.3%

May 6, 2008:

Indiana
Democratic Primary Results: Hillary Clinton 50.7%, Barack Obama 49.3%
Republican Primary Results: John McCain 77.6%, Mike Huckabee 10%, Ron Paul 7.7%
North Carolina
Democratic Primary Results: Barack Obama 56.2%, Hillary Clinton 41.5%
Republican Primary Results: John McCain 73.5%, Mike Huckabee 12.1%, Ron Paul 7.8%

May 13, 2008:

West Virginia
Democratic Primary Results: Hillary Clinton 67%, Barack Obama 25.7%
Republican Primary Results: John McCain 76%, Mike Huckabee 10.3%

May 20, 2008:

Kentucky
Democratic Primary Results: Hillary Clinton 65.5%, Barack Obama 29.9%
Republican Primary Results: John McCain 72.3%, Mike Huckabee 8.2%

Oregon
Democratic Primary Results: Barack Obama 58.3%, Hillary Clinton 41.7%
Republican Primary Results: John McCain 85.1%, Ron Paul 14.9%

June 1, 2008:

Puerto Rico
Democratic Primary Results: Hillary Clinton 68.4%, Barack Obama 31.6%
Republican Primary Results: John McCain 90.8%, Mike Huckabee 4.8%


June 3, 2008:

Montana
Democratic Primary Results: Barack Obama 56.4%, Hillary Clinton 41.2%

New Mexico
Republican Primary Results: John McCain 85.9%, Ron Paul 14.1%

South Dakota
Democratic Primary Results: Hillary Clinton 55.3%, Barack Obama 44.7%
Republican Primary Results: John McCain 70.1%, Ron Paul 16.6%

  • More from Campaign 2008
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