Editing St. Charles County, Missouri (section)

===Federal===
Missouri is represented in the [[U.S. Senate]] by [[Josh Hawley]] and [[Eric Schmitt]], whose most recent election results from the county are included here.
{{Election box begin no change|title=U.S. Senate — Missouri — (2022)<ref>{{cite web|title=Official Final Election Results|url= https://www.livevoterturnout.com/ENR/stcharlesmoenr/23/en/Index_23.html|publisher=St. Charles County Election Authority|accessdate= August 19, 2023}}</ref>}}
{{Election box winning candidate with party link no change|
 |party      = Republican Party (United States)
 |candidate  = Eric Schmitt
 |votes      = 83,559
 |percentage = 55.35%
}}
{{Election box candidate with party link no change|
 |party      = Democratic Party (United States)
 |candidate  = Trudy Busch Valentine
 |votes      = 64,552
 |percentage = 42.76%
}}
{{Election box candidate with party link no change|
 |party      = Libertarian Party (United States)
 |candidate  = Jonathan Dine
 |votes      = 2,158
 |percentage = 1.43%
}}
{{Election box candidate with party link no change|
 |party      = Constitution Party (United States)
 |candidate  = Paul Venable
 |votes      = 709
 |percentage = 0.47%
}}
{{Election box total no change|
 |votes      = 150,978
 |percentage = 100.00%
}}
{{Election box end}}
{{Election box begin no change| title=U.S. Senate — Missouri — (2018)<ref name=ENR>{{cite web |title=County Results |url=https://enr.sos.mo.gov/CountyResults.aspx |website=Election Night Reporting |publisher=Missouri Secretary of State |access-date=March 4, 2019 }}</ref>}}
{{Election box candidate with party link no change|
 |party      = Republican Party (United States)
 |candidate  = '''Josh Hawley'''
 |votes      = '''93,172'''
 |percentage = '''52.90%'''
 |change     = 
}}
{{Election box candidate with party link no change|
 |party      = Democratic Party (United States)
 |candidate  = [[Claire McCaskill]] 
 |votes      = 77,973
 |percentage = 44.30%
 |change     = 
}}
{{Election box candidate with party link no change|
 |party      = Independent (politician)
 |candidate  = Craig O'Dear
 |votes      = 2,393
 |percentage = 1.40%
 |change     = 
}}
{{Election box candidate with party link no change|
 |party      = Libertarian Party (United States)
 |candidate  = Japheth Campbell
 |votes      = 1,836
 |percentage = 1.0%
 |change     = 
}}
{{Election box candidate with party link no change|
 |party      = Green Party of the United States
 |candidate  = Jo Crain
 |votes      = 731
 |percentage = 0.4%
}}
{{Election box total no change
| votes = 176,105
| percentage = 100%
}}
{{Election box end}}
{{Election box begin|title=U.S. Senate — Missouri — (2016)}}
{{Election box candidate with party link|
  |party      = Republican Party (United States)
  |candidate  = '''Roy Blunt''' 
  |votes      = '''103,946'''
  |percentage = '''51.78%'''
  |change     = '''+6.87'''
  }}
{{Election box candidate with party link|
  |party      = Democratic Party (United States)
  |candidate  = Jason Kander
  |votes      = 88,238
  |percentage = 43.95%
  |change     = -5.18
  }}
{{Election box candidate with party link|
  |party      = Libertarian Party (United States)
  |candidate  = Jonathan Dine
  |votes      = 5,238
  |percentage = 2.61%
  |change     = -3.35
  }}
{{Election box candidate with party link|
  |party      = Green Party (United States)
  |candidate  = Johnathan McFarland
  |votes      = 1,970
  |percentage = 0.98%
  |change     = +0.98
  }}
{{Election box candidate with party link|
  |party      = Constitution Party (United States)
  |candidate  = Fred Ryman
  |votes      = 1,355
  |percentage = 0.67%
  |change     = +0.67
  }}
{{Election box end}}
{{Election box begin no change| title=U.S. Senate — Missouri — (2012)<ref>{{cite web |title=2012 Missouri Senate Results |url=https://www.politico.com/2012-election/results/senate/missouri/#county29183 |website=POLITICO |language=en}}</ref>}}
{{Election box candidate with party link no change|
 |party      = Democratic Party (United States)
 |candidate  = '''[[Claire McCaskill]]'''
 |votes      = '''89,993'''
 |percentage = '''49.10%'''
 |change     = 
}}
{{Election box candidate with party link no change|
 |party      = Republican Party (United States)
 |candidate  = Todd Akin
 |votes      = 82,278
 |percentage = 44.90%
 |change     = 
}}
{{Election box candidate with party link no change|
 |party      = Libertarian Party (United States)
 |candidate  = Jonathan Dine
 |votes      = 10,924
 |percentage = 6.0%
 |change     = 
}}
{{Election box end}}
{{Election box begin no change| title=U.S. Senate — Missouri — (2010)<ref>{{cite web |title=St. Charles County 2010 Election Results |url=https://www.sccmo.org/ArchiveCenter/ViewFile/Item/405}}</ref>}}
{{Election box candidate with party link no change|
 |party      = Republican Party (United States)
 |candidate  = '''[[Roy Blunt]]'''
 |votes      = '''73,695'''
 |percentage = '''59.09%'''
 |change     = 
}}
{{Election box candidate with party link no change|
 |party      = Democratic Party (United States)
 |candidate  = Robin Carnahan 
 |votes      = 43,955
 |percentage = 35.24%
 |change     = 
}}
{{Election box candidate with party link no change|
 |party      = Libertarian Party (United States)
 |candidate  = Jonathan Dine
 |votes      = 10,924
 |percentage = 6.0%
 |change     = 
}}
{{Election box end}}

Part of St. Charles County is included in [[MO-02|Missouri's 2nd Congressional District]] and is currently represented by [[Ann Wagner]] in the [[United States House of Representatives|U.S. House of Representatives]].
{{Election box begin|title=U.S. House of Representatives — Missouri's 2nd Congressional District — St. Charles County (2020)}}
{{Election box candidate with party link|
  |party      = Republican Party (United States)
  |candidate  = '''Ann Wagner''' 
  |votes      = '''45,941'''
  |percentage = '''57.38%'''
  |change     = 
  }}
{{Election box candidate with party link|
  |party      = Democratic Party (United States)
  |candidate  = Jill Schupp
  |votes      = 31,239
  |percentage = 39.02%
  |change     = 
  }}
{{Election box candidate with party link|
  |party      = Libertarian Party (United States)
  |candidate  = Martin Schulte
  |votes      = 2,821
  |percentage = 3.52%
  |change     = 
  }}
{{Election box end}}
{{Election box begin|title=U.S. House of Representatives&nbsp;— Missouri's 2nd Congressional District&nbsp;— St. Charles County (2018)<ref name=ENR />}}
{{Election box winning candidate with party link no change
| party      = Republican Party (United States)
| candidate  = Ann Wagner 
| votes      = 37,875
| percentage = 57.5%
|change     = 
}}
{{Election box candidate with party link no change
| party      = Democratic Party (United States)
| candidate  = Cort VanOstran
| votes      = 26,782
| percentage = 40.6%
|change     = 
}}
{{Election box candidate with party link no change
| party      = Libertarian Party (United States)
| candidate  = Tony Kirk
| votes      = 956
| percentage = 1.5%
|change     = 
}}
{{Election box candidate with party link no change
| party      = Green Party (United States)
| candidate  = David Arnold
| votes      = 304
| percentage = 0.5%
|change     = 
}}
{{Election box candidate with party link no change
| party      = Independent (United States)
| candidate  = Ken Newhouse (write-in)
| votes      = 0
| percentage = 0.0%
|change     = 
}}
{{Election box total no change
| votes      = 65,917
| percentage = 100.0%
|change     = 
}}
{{Election box hold with party link no change
| winner = Republican Party (United States)
}}
{{Election box end}}

Most of St. Charles County is included in [[MO-03|Missouri's 3rd Congressional District]] and is currently represented by [[Blaine Luetkemeyer]] (R-[[St. Elizabeth, Missouri|St. Elizabeth]]) in the [[United States House of Representatives|U.S. House of Representatives]].
{{Election box begin|title=U.S. House of Representatives — Missouri's 3rd Congressional District — St. Charles County (2020)}}
{{Election box candidate with party link||party=Republican Party (United States)|candidate='''Blaine Luetkemeyer'''|votes='''84,071'''|percentage='''61.74%'''|change=}}
{{Election box candidate with party link||party=Democratic Party (United States)|candidate=Megan Rezabek|votes=49,315|percentage=36.22%|change=}}
{{Election box candidate with party link||party=Libertarian Party (United States)|candidate=Leonard J Steinman II|votes=2,631|percentage=1.93%|change=}}
{{Election box end}}
{{Election box begin|title=U.S. House of Representatives&nbsp;— Missouri's 3rd Congressional District&nbsp;— St. Charles County (2018)<ref name=ENR />}}
{{Election box winning candidate with party link no change
  |party      = Republican Party (United States)
  |candidate  = Blaine Luetkemeyer 
  |votes      = 61,751
  |percentage = 57.77%
  }}
{{Election box candidate with party link
  |party      = Democratic Party (United States)
  |candidate  = Katy Geppert
  |votes      = 43,070
  |percentage = 40.30%
  }}
{{Election box candidate with party link
  |party      = Libertarian Party (United States)
  |candidate  = Donald V. Stolle
  |votes      = 2,062
  |percentage = 1.93%
  }}
{{Election box total no change
| votes      = 106,883
| percentage = 100.0%
}}
{{Election box hold with party link no change
| winner = Republican Party (United States)
}}
{{Election box end}}

{{Sticky header}}
{{PresHead|place=St. Charles County, Missouri|source=<ref>{{Cite web|url=http://uselectionatlas.org/RESULTS|title=Dave Leip's Atlas of U.S. Presidential Elections|last=Leip|first=David|website=uselectionatlas.org|access-date=March 26, 2018}}</ref>}}
<!-- PresRow should be {{PresRow|Year|Winning party|GOP vote #|Dem vote #|3rd party vote #|State}} -->
{{PresRow|2024|Republican|130,588|92,226|4,594|Missouri}}
{{PresRow|2020|Republican|128,389|89,530|4,647|Missouri}}
{{PresRow|2016|Republican|121,650|68,626|12,908|Missouri}}
{{PresRow|2012|Republican|110,784|71,838|3,744|Missouri}}
{{PresRow|2008|Republican|102,550|84,183|2,224|Missouri}}
{{PresRow|2004|Republican|95,826|66,855|807|Missouri}}
{{PresRow|2000|Republican|72,114|53,806|2,766|Missouri}}
{{PresRow|1996|Republican|47,705|41,369|13,172|Missouri}}
{{PresRow|1992|Republican|38,673|37,263|30,627|Missouri}}
{{PresRow|1988|Republican|50,005|29,286|209|Missouri}}
{{PresRow|1984|Republican|47,784|17,617|0|Missouri}}
{{PresRow|1980|Republican|36,050|20,668|3,050|Missouri}}
{{PresRow|1976|Republican|26,105|22,063|536|Missouri}}
{{PresRow|1972|Republican|25,677|11,034|0|Missouri}}
{{PresRow|1968|Republican|13,533|10,374|5,752|Missouri}}
{{PresRow|1964|Democratic|9,020|14,530|0|Missouri}}
{{PresRow|1960|Democratic|10,888|11,890|0|Missouri}}
{{PresRow|1956|Republican|9,462|7,618|0|Missouri}}
{{PresRow|1952|Republican|8,451|6,493|20|Missouri}}
{{PresRow|1948|Democratic|5,976|6,049|39|Missouri}}
{{PresRow|1944|Republican|7,050|4,880|36|Missouri}}
{{PresRow|1940|Republican|7,792|5,334|50|Missouri}}
{{PresRow|1936|Democratic|5,156|5,903|1,009|Missouri}}
{{PresRow|1932|Democratic|3,664|6,911|162|Missouri}}
{{PresRow|1928|Republican|5,404|5,081|22|Missouri}}
{{PresRow|1924|Republican|4,668|2,364|865|Missouri}}
{{PresRow|1920|Republican|6,645|2,472|96|Missouri}}
{{PresRow|1916|Republican|3,518|1,914|51|Missouri}}
{{PresRow|1912|Republican|2,350|1,792|654|Missouri}}
{{PresRow|1908|Republican|3,480|1,979|79|Missouri}}
{{PresRow|1904|Republican|3,203|1,788|100|Missouri}}
{{PresRow|1900|Republican|3,324|2,343|54|Missouri}}
{{PresRow|1896|Republican|3,173|2,448|30|Missouri}}
{{PresRow|1892|Republican|2,522|2,485|37|Missouri}}
{{PresFoot|1888|Republican|2,668|2,381|18|Missouri}}