AUGUST 7, 2012 STATE PRIMARY ELECTION INFORMATION
Missouri’s state primary elections are held on the first Tuesday after the first Monday in August of even numbered years. Since Missouri has open primaries, every eligible registered voter may select the party ballot of their choice.
However, primary voters may select only one party’s ballot. Voters who do not wish to give a political party preference may request an issues only ballot, if one is available in that particular jurisdiction.
The filing period for the August 7, 2012 state primary election is from February 28, 2012 to March 27, 2012.