Election 2012 Election 2014 Election 2016 Election 2018 Election 2020 Election Counties There is a total of 24 counties included in MO-04. Election results from presidential races 2008 Presidential Election Results by County The table below shows how individual counties in MO-04 voted in the 2008 presidential election. U.S. Senator John McCain (R-Arizona) won every single county in MO-04 and swept the district with 60.58 percent of the vote while U.S. Senator Barack Obama (D-Illinois) received 37.87 percent, a 22.71-percent margin of victory for the GOP. 2008 Missouri Democratic Presidential Primary Election Results by County The table below shows how individual counties in MO-04 voted in the 2008 Missouri Democratic Presidential Primary. Former U.S. Senator Hillary Rodham Clinton (D-New York) swept the district by a convincing margin over U.S. Senator Barack Obama (D-Illinois). Clinton won every county in the district with the exception of Cole County, home of the State Capitol. Historical district boundaries See also Missouri's congressional districts List of United States congressional districts References Congressional Biographical Directory of the United States 1774–present 04 Constituencies established in 1847 1847 establishments in Missouri Constituencies disestablished in 1933 1933 disestablishments in Missouri Constituencies established in 1935 1935 establishments in Missouri