2004 Missouri Amendment 2

Constitutional Amendment 2 of 2004 is an amendment to the Missouri Constitution that prohibited same-sex marriages from being recognized in Missouri. The Amendment passed via public referendum on August 3, 2004, with 71% of voters supporting and 29% opposing.^[3] Every county voted in favor of the amendment, with only the independent city of St. Louis voting against it.^[4]

Constitutional Amendment 2

August 3, 2004
Missouri Marriage Definition Amendment
Results
Choice Votes % Yes 1,055,771 70.61% No 439,529 29.39% Total votes 1,495,300 100.00% Registered voters/turnout 3,483,481 42.93%
Yes   80–90%   70–80%   60–70%   50–60% No   50–60%
Sources:[1][2]

The text of the adopted amendment, which is found at Article I, section 33 of the Missouri Constitution, states:

That to be valid and recognized in this state, a marriage shall exist only between a man and a woman.^[5]

This amendment was voided by the 2015 decision of the United States Supreme Court in Obergefell v. Hodges, which overturned statewide bans on same-sex marriage nationwide.