The 2010 United States Senate election in Missouri took place on November 2, 2010, alongside 36 other elections to the United States Senate in other states as well as elections to the United States House of Representatives and various state and local elections. Primary elections were held on August 3, 2010. Incumbent Republican U.S. Senator Kit Bond decided to retire instead of seeking a fifth term. Republican nominee Roy Blunt won the open seat.

Republican primary

Candidates

Polling

Results

Democratic primary

Candidates

Results

Other primaries

Constitution

Candidates

Declared

Libertarian

Candidates

Declared

General election

Candidates

Campaign

Carnahan and national Democrats heavily criticized Blunt for his support of bailouts, calling him "Bailout Blunt." Blunt criticized her for supporting President Obama's stimulus package, the cap-and-trade energy bill, and the Affordable Care Act. Carnahan was endorsed by the Kansas City Star, the St. Louis Post-Dispatch, and the St. Louis American. Blunt was endorsed by the Quincy Herald-Whig and the St. Joseph News-Press.

Debates

Predictions

Polling

Fundraising

Results