2012 Presidential Preference Primary in Missouri
A statewide presidential preference primary shall be held on the first Tuesday after the first Monday in February of each presidential election year RSMo 115.755. The primary will be held on Tuesday, February 7, 2012. Candidates for the presidential primary from Missouri's "established political parties" begin filing at 8 a.m. on October 25, 2011. Filing ends at 5 p.m. on November 22, 2011. The four established parties in Missouri are: Democratic, Republican, Libertarian and Constitution.