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The 2024 Missouri Senate election took place on Tuesday, November 5, 2024, with the primary election held on Tuesday, August 6, 2024. Missouri voters elected state senators in the 17 odd-numbered districts of the Senate to serve four-year terms. The last time that these seats were up for election was the 2020 Missouri Senate election, and the next time will be the 2028 Missouri State Senate election.
Following the previous election in 2022, Republicans held a 24-to-10-seat supermajority over Democrats. Going into the 2024 elections, there are four vacancies after Senator Greg Razer (D) of District 7 resigned on April 25, 2024, Senators Karla Eslinger (R) of District 33 and John Rizzo (D) of District 11 resigned in June 2024, and Lauren Arthur (D) of District 17 resigned in July 2024. Therefore, there are 23 Republicans and seven Democrats at the time of the 2024 election (plus the three vacancies). Democrats would have to net 11 seats to flip control of the chamber.
These will be the first elections in the odd-numbered Missouri Senate districts following the 2020 United States redistricting cycle, which resulted in redrawn legislative district boundaries.
District 1 • District 3 • District 5 • District 7 • District 9 • District 11 • District 13 • District 15 • District 17 • District 19 • District 21 • District 23 • District 25 • District 27 • District 29 • District 31 • District 33
Candidates Doug Beck, incumbent state senator (2021–present) Democratic primary results, District 1 Party Candidate Votes % DemocraticDoug Beck (Incumbent)16,249100.00 Total votes 16,249100.00
Candidates Robert J. Crump Endorsements Robert J. CrumpOrganizations Missouri Right to Life PAC Republican primary results, District 1 Party Candidate Votes % RepublicanRobert J. Crump13,550100.00 Total votes 13,550100.00
Candidates Cyndi Buchheit-Courtway, state representative (2021–present) Mike Henderson, state representative (2017–present) Endorsements Cyndi Buchheit-CourtwayOrganizations Missouri Right to Life PAC (co-endorsed Henderson) Mike HendersonOrganizations Missouri Right to Life PAC (co-endorsed Buchheit-Courtway) Polling Poll source Date(s) administered Sample size Margin of error Cyndi Buchheit-Courtway Mike Henderson Undecided Remington Research Group (R) April 1–4, 2024 301 (LV) ± 5.6% 19% 31%50% Results Republican primary results, District 3 Party Candidate Votes % RepublicanMike Henderson14,98059.94RepublicanCyndi Buchheit-Courtway 10,011 40.06 Total votes 24,991100.00
The 5th district is made up entirely of the city of St. Louis, except for a one-third portion in the southwest.
Democratic primary results, District 5
5th District Democratic primary details
Candidates Steve Roberts, incumbent state senator (2021–present) Democratic primary results, District 5 Party Candidate Votes % DemocraticSteve Roberts20,095100.00% Total votes 20,095100.00%
The 7th district is based mostly in Kansas City, including most of the city's downtown area and almost all of the city west of Troost Avenue, and includes the entire city of Grandview.
Democratic primary results, District 7
7th District Democratic primary details
Candidates Pat Contreras Patty Lewis, incumbent state representative from District 25 (2021–present) Withdrawn Greg Razer, incumbent state senator (2021–present) Polling Poll source Date(s) administered Sample size Margin of error Pat Contreras Patty Lewis Undecided Remington Research Group (R) May 29–31, 2024 377 (LV) ± 5.0% 13% 21%66% Democratic primary results, District 7 Party Candidate Votes % DemocraticPatty Lewis14,97067.04%Democratic Pat Contreras 7,361 32.96% Total votes 22,331100.00%
Candidates Derron Black Endorsements Derron BlackOrganizations Missouri Right to Life PAC Results Republican primary results, District 9 Party Candidate Votes % RepublicanDerron Black2,897100.00% Total votes 2,897100.00%
Candidates Robert Sauls, state representative (2019–present) Results Democratic primary results, District 11 Party Candidate Votes % DemocraticRobert Sauls9,777100.00% Total votes 9,777100.00%
Candidates David Martin Aaron McMullen, state representative (2023–present) Joe Nicola Endorsements David MartinOrganizations Missouri Right to Life PAC (co-endorsed McMullen and Nicola) Aaron McMullenOrganizations Missouri Right to Life PAC (co-endorsed Martin and Nicola) Joe NicolaOrganizations Missouri Right to Life PAC (co-endorsed Martin and McMullen) Results Republican primary results, District 11 Party Candidate Votes % RepublicanJoe Nicola6,21148.54%RepublicanAaron McMullen 5,043 39.42% Republican David Martin 1,540 12.04% Total votes 12,794100.00%
Candidates Joe Pereles Results Democratic primary results, District 15 Party Candidate Votes % DemocraticJoe Pereles13,501100.00% Total votes 13,501100.00%
Candidates Jim Bowlin David Gregory, former state representative (2017–2023) Mark A. Harder Endorsements Jim BowlinOrganizations Missouri Right to Life PAC (co-endorsed Gregory and Harder) David GregoryOrganizations Missouri Right to Life PAC (co-endorsed Bowlin and Harder) Mark A. HarderOrganizations Missouri Right to Life PAC (co-endorsed Bowlin and Gregory) Polling Poll source Date(s) administered Sample size Margin of error Jim Bowlin David Gregory Mark Harder Undecided Remington Research Group (R) July 26–29, 2024 322 (LV) ± 5.4% 16% 31% 17% 36% Remington Research Group (R) April 8–12, 2024 304 (LV) ± 5.6% 9% 14%14%63% Remington Research Group (R) November 16–20, 2023 382 (LV) ± 5.0% 5% 15% 9% 70% Results Republican primary results, District 15 Party Candidate Votes % RepublicanDavid Gregory9,09940.74%Republican Mark A. Harder 7,628 34.15% Republican Jim Bowlin 5,607 25.11% Total votes 22,334100.00%
Candidates Jerry Nolte, current Clay County Commissioner (2015–present) and former state representative (2005–2013) Results Republican primary results, District 17 Party Candidate Votes % RepublicanJerry Nolte10,237100.00% Total votes 10,237100.00%
Declared Stephen Webber, former state representative (2009–2017) Results Democratic primary results, District 19 Party Candidate Votes % DemocraticStephen Webber13,014100.00% Total votes 13,014100.00%
Candiates James Coyne Withdrawn Chuck Basye, former state representative (2015–2023) Results Republican primary results, District 19 Party Candidate Votes % RepublicanJames Coyne11,088100.00% Total votes 11,088100.00%
The 21st district, based in the west-central part of the state, consists of most of Clay County and all of Lafayette, Saline, Ray, Cooper and Howard counties.
Democratic primary results, District 21
21st District Democratic primary details
Candidates Jim Bates Results Democratic primary results, District 21 Party Candidate Votes % DemocraticJim Bates7,934100.00% Total votes 7,934100.00%
Candidates Kurtis Gregory, state representative (2021–present) Doug Richey, state representative (2019–present) Endorsements Kurtis GregoryOrganizations Missouri Farm Bureau Doug RicheyOrganizationsAmericans for Prosperity Missouri Right to Life PAC Polling Poll source Date(s) administered Sample size Margin of error Kurtis Gregory Doug Richey Undecided Remington Research Group (R) July 27–30, 2024 317 (LV) ± 5.4% 35% 25% 40% Remington Research Group (R) June 5–7, 2024 384 (LV) ± 4.96% 18%18%64% Results Republican primary results, District 21 Party Candidate Votes % RepublicanKurtis Gregory14,94756.62%RepublicanDoug Richey 11,451 43.38% Total votes 26,398100.00%
Candidates Matt Williams Results Democratic primary results, District 23 Party Candidate Votes % DemocraticMatt Williams9,913100.00% Total votes 9,913100.00%
Candidates Rich Chrismer, former state representative (1993–2001) Phil Christofanelli, state representative (2017–present) Dan O'Connell Adam Schnelting, state representative (2019–present) Endorsements Adam SchneltingOrganizations Missouri Right to Life PAC Polling Poll source Date(s) administered Sample size Margin of error Rich Chrismer Phil Christofanelli Dan O'Connell Adam Schnelting Undecided Remington Research Group (R) July 27–30, 2024 307 (LV) ± 5.7% 10% 25% 3% 30%32% Remington Research Group (R) April 15–18, 2024 300 (LV) ± 5.6% 14% 9% 5% 14%58% Results Republican primary results, District 23 Party Candidate Votes % RepublicanAdam Schnelting9,56350.32%RepublicanPhil Christofanelli 5,267 27.72% RepublicanRich Chrismer 2,928 15.41% Republican Dan O'Connell 1,245 6.55% Total votes 19,003100.00%
Candidates Jason Bean, incumbent state senator (2021–present) Endorsements Jason BeanOrganizations Missouri Farm Bureau Results Republican primary results, District 25 Party Candidate Votes % RepublicanJason Bean25,958100.00% Total votes 25,958100.00%
Candidates Jamie Burger, state representative (2021–present) Chris Dinkins, state representative (2019–present) Jacob Turner Endorsements Chris DinkinsOrganizations Missouri Right to Life PAC Polling Poll source Date(s) administered Sample size Margin of error Jamie Burger Chris Dinkins Jacob Turner Undecided Remington Research Group (R) July 28 – August 1, 2024 296 (LV) ± 5.7% 31% 21% 20% 28% Remington Research Group (R) June 24–27, 2024 311 (LV) ± 5.1% 24% 27% 8% 41% Results Republican primary results, District 27 Party Candidate Votes % RepublicanJamie Burger13,13240.89%Republican Jacob Turner 11,932 37.16% RepublicanChris Dinkins 7,049 21.95% Total votes 32,113100.00%
The 29th district is located in the southwestern corner of the state and consists of the counties of Christian, Lawrence, Barry and McDonald.
Democratic primary results, District 29
29th District Democratic primary details
Candidates Ron Monnig Results Democratic primary results, District 29 Party Candidate Votes % DemocraticRon Monnig3,681100.00% Total votes 3,681100.00%
Candidates Susan Haralson Mike Moon, incumbent state senator (2021–present) Endorsements Mike MoonOrganizations Freedom Principle MO - Missouri First PAC Missouri Right to Life PAC Polling Poll source Date(s) administered Sample size Margin of error Susan Haralson Mike Moon Undecided Remington Research Group (R) April 22–25, 2024 300 (LV) ± 5.6% 13% 37%50% Results Republican primary results, District 29 Party Candidate Votes % RepublicanMike Moon22,40277.21%Republican Susan Haralson 6,614 22.79% Total votes 29,016100.00%
The 31st district is located in the west-central part of the state and is made up of the counties of Cass, Johnson and Bates.
Democratic primary results, District 31
31st District Democratic primary details
Candidates Raymond L. James Results Democratic primary results, District 31 Party Candidate Votes % DemocraticRaymond L. James6,044100.00% Total votes 6,044100.00%
Candidates Rick Brattin, incumbent state senator (2021–present) Mike Haffner, state representative (2019–present) Dan Houx, state representative (2017–present) Endorsements Rick BrattinOrganizations Freedom Principle MO - Missouri First PAC Missouri Right to Life PAC Mike HaffnerOrganizations Missouri Farm Bureau Polling Poll source Date(s) administered Sample size Margin of error Rick Brattin Mike Haffner Dan Houx Undecided Remington Research Group (R) October 18–20, 2023 304 (LV) ± 5.6% 57% 16% 12% 15% Results Republican primary results, District 31 Party Candidate Votes % RepublicanRick Brattin11,03446.97%RepublicanMike Haffner 6,445 27.43% RepublicanDan Houx 6,013 25.60% Total votes 23,492100.00%
Candidates Brad Hudson, state representative (2019–present) Travis Smith, state representative (2021–present) Endorsements Brad HudsonU.S. representativesEric Burlison, U.S. Representative from MO-07 (2023–present) Organizations Missouri Right to Life PAC Polling Poll source Date(s) administered Sample size Margin of error Brad Hudson Travis Smith Undecided Remington Research Group (R) July 15–18, 2024 289 (LV) ± 5.7% 29%29%42% Results Republican primary results, District 33 Party Candidate Votes % RepublicanBrad Hudson18,52052.62%RepublicanTravis Smith 16,674 47.38% Total votes 35,194100.00%