A head to head comparison of the Missouri 2016 General Election gives us an idea of the break down of the voters.
Roy Blunt received 1.4M (49.2 %) votes, beating Jason Kander who gained 1.3M (46.4 %) by 78.3k votes in Missouri.
Jason Kander won 6 counties out of the 115 counties that make up Missouri. The record shows that Roy Blunt won 109 counties.
During the 2016 general elections, over 3M total number of votes were cast. Fred Ryman got 25,407 (25k) over Jason Kander 1,300,200 (1M). He won the popular vote by 25,407 (25k). His victory in the State of Missouri (with 25,407 votes) represents 50.0% of his popular vote victory.
Top 15 Counties in General Elections
All Candidates (Senate General Elections)
These 15 counties play an important role in these Primary elections. If a candidate, can get a sizable majority in the largest counties (St. Louis County, St. Charles and Jackson), it becomes very difficult to win majorities in the smaller counties without voter outreach and increased voter participation in them.
Top 15 Counties Comparison in General Elections
St. Louis County, Jackson and St. Louis City, three of the larger counties voted in favor of Jason Kander, giving him a 206k vote advantage.