Missouri's 2nd Senatorial District is one of 34 districts in the Missouri Senate. The district has been represented by Republican Nick Schroer since 2023.
The district is based in south-central St. Charles County, falling within the northwestern side of the St. Louis metropolitan area. Major municipalities in the district include Cottleville, O'Fallon, and Lake St. Louis. The district is also home to the historic Daniel Boone Home.
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