An estimated 72 percent of the state's registered voters are expected to cast ballots. Here's a look at the top races and factors impacting the day.
Voters in Columbia and Boone County who need a ride to the polls have several options.
Proposition E would "prohibit the governor or any state agency, from establishing or operating state-based health insurance exchanges unless authorized by a vote of the people or by the legislature."
Democrat Stephen Webber and Republican Fred Berry are competing to represent the new House district, which encompasses much of the city's Fourth and Fifth wards.
Fred Berry says he would bring honor and integrity to the state representative office as he runs against incumbent Stephen Webber in the 46th House District.
Stephen Webber, who has represented the 23rd District for four years, will try to win another term, this time in the 46th District.
The Missourian has published a number of articles to help inform voters about the candidates and ballot issues for the 2012 general election.
If the tax passes, money could go toward a variety of services listed in the state law that allows counties to levy a tax for children's mental health, including temporary shelter, crisis intervention and early intervention.
The new House district is diverse and includes parts of western and central Columbia, along with Harrisburg, Rocheport and Higbee.
Caleb Jones, running unopposed for the state House seat in the 50th District, prepares to represent an area that spans the Missouri River and includes parts of Boone, Cole and Moniteau counties.
Democrat John Wright is one of two candidates seeking to represent Missouri's new 47th House District.
Columbia Republican Mitch Richards hopes to win the opportunity to represent Missouri's new 47th House District.
A coalition backs Missouri Proposition A, which if passed would result in a quarter-cent sales tax increase for children's mental health, because the group thinks the tax revenue could be used to expand housing for kids in crisis.
The Missourian takes a look at candidates' positions on major issues in Missouri's U.S. Senate race.
U.S. Sen. Claire McCaskill, D-Mo., stands by the Affordable Care Act while U.S. Rep. Todd Akin, R-St. Louis, has vowed to either repeal or chip away at it. Libertarian candidate Jonathan Dine also wants to repeal the Affordable Care Act.
U.S. Sen. Claire McCaskill, D-Mo., agrees with U.S. Rep. Todd Akin, R-St. Louis, that educational decisions are best made at local and state levels, but they disagree on what role the federal government should take. Libertarian candidate Jonathan Dine believes the federal government should shift its focus to educating Americans in skilled trades.
U.S. Sen. Claire McCaskill, D-Mo., and U.S. Rep. Todd Akin, R-St. Louis, both support the Keystone XL Pipeline project. Libertarian candidate Jonathan Dine has not publicly stated any specific policies regarding energy.
U.S. Sen. Claire McCaskill, D-Mo., believes in enacting long-term debt reduction; U.S. Rep. Todd Akin, R-St. Louis, wants to cut federal outlays, cap the debt ceiling and balance the federal budget; and Libertarian candidate Jonathan Dine says he would vote "no" on any legislation containing earmarks.
U.S. Sen. Claire McCaskill, D-Mo., supports the Senate's 2012 five-year farm bill, and U.S. Rep. Todd Akin, R-St. Louis, has said he will work to stop federal regulations that might affect farm operations. Libertarian candidate Jonathan Dine has not publicly stated any specific policies regarding farming policies.
This article is one of an eight-part series that examines where U.S. Sen. Claire McCaskill, D-Mo., U.S. Rep. Todd Akin, R-St. Louis, and Libertarian candidate Jonathan Dine stand on some of the issues important to Missouri voters.