Missouri State Senate seat · lines in effect since 2022
Missouri Senate District 15
A district of about 201,000 people, 67% of adults with a bachelor's degree. It votes R+2.3 relative to the nation for president.
2024 election
Nov 5, 2024- David Gregory (R) · won51.6%
- Joe Pereles (D)46.8%
- Jeff Coleman (LIB)1.6%
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET
Where it sits among all 34 seats
Every Missouri State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.
Democratic
Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Every election for this seat
16 races since 1968. District numbers are redrawn after each census: each group is one set of lines.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| Lines first used in 2022 | |||
| 2024 | David Gregory (R) | Joe Pereles (D) | 4.8 |
| Lines first used in 2012 | |||
| 2020 | Andrew Koenig (R) | Deb Lavender (D) | 8.0 |
| 2016 | Andrew Koenig (R) | Stephen Eagleton (D) | 22.1 |
| 2012 | Eric Schmitt (R) | — | Unopposed |
| Lines first used in 2002 | |||
| 2008 | Eric Schmitt (R) | James Trout (D) | 9.5 |
| 2004 | Michael R. Gibbons (R) | Jeanne Kirkton (D) | 5.6 |
| Lines first used in 1992 | |||
| 2000 | Michael R. Gibbons (R) | Marjorie M. Reinhart (D) | 18.8 |
| 1996 | Walt Mueller (R) | Patricia D. Gray (D) | 17.0 |
| 1992 | Walt Mueller (R) | Marjorie M. Reinhart (D) | 12.7 |
| Lines first used in 1982 | |||
| 1990 special | Walt Mueller (R) | Raymond E. Karcher (D) | 25.4 |
| 1988 | Frank Bild (R) | Marjorie M. Reinhart (D) | 29.1 |
| 1984 | Frank Bild (R) | — | Unopposed |
| Lines first used in 1972 | |||
| 1980 | Frank Bild (R) | William P. Nestor (D) | 44.4 |
| 1976 | Frank Bild (R) | John H. Pollmann (D) | 15.9 |
| 1972 | Frank Bild (R) | John Johnson (D) | 11.3 |
| Lines first used in 1962 | |||
| 1968 | John Johnson (D) | Robert W. Saitz (R) | 14.5 |
Primaries: 1972 Republican primary · 1968 Republican primary
Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Districts that overlap District 15
The state's districts in other chambers that share residents with this one, and the share of District 15's area in each.
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2018 | |
|---|---|
| U.S. Senate | R+43.9 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 8, 2026, 7:01 PM ET
Who lives here, compared
Grey bars show the spread of all 34 seats. Small marks are other seats in Missouri. The black marker is District 15.
Highest of 34 seats.
Lower than 85% of seats.
Lower than 52% of seats.
Lower than 73% of seats.
Highest of 34 seats.
Denser than 70% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean.
District 2461% college gradsD+13.6Held DDistrict 19
52% college gradsD+10.7Not up in 2026District 4
57% college gradsD+50.3Held DDistrict 2
46% college gradsR+23.8Held R
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET