Missouri House of Representatives seat · lines in effect since 2022
Missouri House District 159
A district of about 40,000 people, 17% of adults with a bachelor's degree. It votes R+66.4 relative to the nation for president.
Where it sits among all 163 seats
Every Missouri House of Representatives 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 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+59.1 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 7, 2026, 3:01 PM ET
Who lives here, compared
Grey bars show the spread of all 163 seats. Small marks are other seats in Missouri. The black marker is District 159.
Lower than 86% of seats.
Higher than 59% of seats.
Higher than 93% of seats.
Lower than 74% of seats.
Higher than 60% of seats.
Less dense than 80% 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 158MissouriR+64.5Held RDistrict 157
MissouriR+64.2CountingDistrict 52
MissouriR+46.4CountingDistrict 160
24% college gradsR+55.2Counting
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
Who has held it
These lines took effect in 2022.
- Joel Mace (R)
2027– · Won 2026 unopposed - Dirk Deaton (R)
2023–2027 · Won 2022 unopposed, 2024 unopposed
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)