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Missouri attorney general election, 2012


Missouri attorney general election, 2012

Missouri attorney general election, 2012

November 6, 2012

Nominee Chris Koster Ed Martin
Party Democratic Republican
Popular vote 1,491,139 1,084,106
Percentage 55.9% 40.6%

Attorney General before election

Chris Koster

Elected Attorney General

Chris Koster

The Missouri attorney general election, 2012 was held on November 6, 2012, alongside the presidential and gubernatorial elections. The current Missouri Attorney General Chris Koster, a Democrat, won re-election for a second full term against Republican attorney Ed Martin.


Chris Koster won the 2008 Missouri attorney general election with 52.8% of the vote against Republican candidate Michael R. Gibbons.


  • March 27, 2012 - Filing deadline for Democrats, Republicans and Libertarians[1]
  • August 7, 2012 - Primary (gubernatorial and other statewide office) elections[1]
  • August 21, 2012 - Filing deadline for other third parties and Independents[1]
  • November 6, 2012 - General election.[1]

Republican primary




Poll source Date(s)
Margin of
Public Policy Polling August 4-5, 2012 590 ± 4.0% 46% 17% 37%


100% reporting (3,420 of 3,420 precincts) [5]

Republican primary results
Party Candidate Votes %
Republican Ed Martin 373,434 71.6
Republican Adam Lee Warren 148,432 28.4
Total votes 521,866 100.0

Democratic primary


  • Chris Koster, incumbent Attorney General

General Election


Poll source Date(s) administered Sample
Margin of
Chris Koster (D) Ed Martin (R) Other Undecided
Mason-Dixon October 23–25, 2012 625 ± 4% 51% 37% 12%
Public Policy Polling October 19–21, 2012 582 ± 4.1% 48% 38% 13%
Public Policy Polling August 20, 2012 500 ± 4.4% 41% 39% 20%


2012 Race for Attorney General of Missouri   (2012 MO SoS Election Report)
Party Candidate Votes % ±%
Democratic Chris Koster (incumbent) 1,482,381 55.81 +2.98
Republican Ed Martin 1,081,510 40.71 -6.46
Dave Browning 92,465 3.48

See also


  1. ^ a b c d [1] from the Missouri Secretary of State
  2. ^ Martin to run for Mo. Atty. General. Associated Press via Kirksville Daily Express. Published 2012-01-26.
  3. ^
  4. ^
  5. ^

External links

  • Elections from the Missouri Secretary of State
Official campaign websites
  • Chris Koster for Attorney General
  • Ed Martin for Attorney General

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