Missouri State Senate seat · lines in effect since 2022

Missouri Senate District 29

A district of about 190,000 people, 24% of adults with a bachelor's degree. It votes R+58.3 relative to the nation for president.

Mike Moon (R) · since Nov 3, 2020Next election Nov 7, 2028

2024 election

Nov 5, 2024
  1. Mike Moon (R) · won80.1%
  2. Ron Monnig (D)19.9%

Full results →

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.

R+58.330th most
Democratic
Most DemocraticMost Republican18th seat · the majority lineDistrict 29

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. District numbers are redrawn after each census: each group is one set of lines.

YearWinnerRunner-upWon by
Lines first used in 2022
2024Mike Moon (R)Ron Monnig (D)60.2
Lines first used in 2012
2020Mike Moon (R)—Unopposed
2016David Sater (R)—Unopposed
2012David Sater (R)—Unopposed
Lines first used in 2002
2008Jack Goodman (R)—Unopposed
2004Larry Gene Taylor (R)Randall Vaught (D)38.7
Lines first used in 1992
2000Doyle Childers (R)—Unopposed
1996Doyle Childers (R)D. J. Gross (D)20.5
1992Emory Melton (R)—Unopposed
Lines first used in 1982
1988Emory Melton (R)—Unopposed
1984Emory Melton (R)—Unopposed
Lines first used in 1972
1980Emory Melton (R)—Unopposed
1976Emory Melton (R)—Unopposed
1972Emory Melton (R)Forrest Wasson (D)37.6
Lines first used in 1962
1968Noel Cox (R)—Unopposed

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 29

The state's districts in other chambers that share residents with this one, and the share of District 29's area in each.

Missouri House of Representatives
HD-158 38%, HD-157 25%, HD-159 15%, HD-138 11%, HD-140 6%, HD-139 5%

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. SenateR+48.9

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 29.

Adults with a bachelor's degree24% 33rd pct · 23rd of 34 in MO

Lower than 67% of seats.

White adults without a degree66% 70th pct · 11th of 34 in MO

Higher than 70% of seats.

Hispanic residents7% 82nd pct · 7th of 34 in MO

Higher than 82% of seats.

Black residents1% 0th pct · 34th of 34 in MO

Lowest of 34 seats.

Asian residents1% 42nd pct · 20th of 34 in MO

Lower than 58% of seats.

People per square mile76 36th pct · 22nd of 34 in MO

Less dense than 64% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET