Missouri State Senate seat · lines in effect since 2022
Missouri Senate District 1
A district of about 184,000 people, 42% of adults with a bachelor's degree. It votes D+8.3 relative to the nation for president.
2024 election
Nov 5, 2024- Doug Beck (D) · won56.1%
- Robert J. Crump (R)43.9%
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
15 races since 1968; the seat changed party 1 time. 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 | Doug Beck (D) | Robert J. Crump (R) | 12.3 |
| Lines first used in 2012 | |||
| 2020 | Doug Beck (D) | David Lenihan (R) | 10.9 |
| 2016 | Scott Sifton (D) | Randy Jotte (R) | 6.2 |
| 2012 | Scott Sifton (D) | Jim Lembke (R) | 1.8 |
| Lines first used in 2002 | |||
| 2008 | Jim Lembke (R)Flip | Joan Barry (D) | 0.1 |
| 2004 | Harry Kennedy (D) | Bob Yeckel (R) | 0.6 |
| Lines first used in 1992 | |||
| 2000 | Anita T. Yeckel (R) | Greg Bailey (D) | 26.6 |
| 1996 | Anita T. Yeckel (R) | Gloria Weber (D) | 12.0 |
| 1992 | Irene Treppler (R) | Marcella Franklin (D) | 35.5 |
| Lines first used in 1982 | |||
| 1988 | Irene Treppler (R) | Daniel J. Gralike (D) | 0.7 |
| 1984 | Irene Treppler (R) | James W. Murphy (D) | 1.0 |
| Lines first used in 1972 | |||
| 1980 | James W. Murphy (D) | William Olenyik (R) | 36.1 |
| 1976 | James W. Murphy (D) | Jerry R. King (R) | 21.4 |
| 1972 | Donald J. Gralike (D) | — | Unopposed |
| Lines first used in 1962 | |||
| 1968 | Robert Pentland (D) | Fred Whaley (R) | 9.1 |
Primaries: 1988 Republican primary · 1988 Democratic primary · 1980 Democratic primary · 1976 Republican primary · 1976 Democratic primary · 1972 Democratic 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 1
The state's districts in other chambers that share residents with this one, and the share of District 1's area in each.
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 1.
Higher than 79% of seats.
Lower than 61% of seats.
Lower than 73% of seats.
Lower than 67% of seats.
Higher than 70% of seats.
Denser than 94% 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. 2 of the 4 flipped this year.
District 2341% college gradsR+7.3Not up in 2026District 8
43% college gradsR+5.9Flipped DDistrict 30
31% college gradsR+3.2Flipped 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