Missouri's 4th Senatorial District is one of 34 districts in the Missouri Senate. The district has been represented by Democrat Karla May since 2019.
Geography The district is based in western St. Louis city and a portion of eastern St. Louis County. Other major municipalities in the district include Clayton, Maplewood, Richmond Heights, and Shrewsbury. The district is also home to Forest Park, the Missouri Botanical Garden, the Saint Louis Zoo, and Washington University in St. Louis.
2026 candidates Democratic primary Steve Butz, representative of Missouri House District 81 Chris Clark, attorney Gina Mitten, former representative of Missouri House District 83 Election results (1998–2022) 1998
2002
2006
2010
2014
2016
2018
2022
Statewide election results Year Office Results 2008 President Obama 68.7 – 30.0% 2012 President Obama 66.9 – 33.1% 2016 President Clinton 67.0 – 27.2% Senate Kander 70.6 – 25.8% Governor Koster 69.0 – 27.7% 2018 Senate McCaskill 74.1 – 23.6% 2020 President Biden 73.2 – 25.0% Governor Galloway 71.4 – 26.8% Source:
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