HarrisDemocratic22.9%19,094TrumpRepublican76.1%63,505OtherAll other candidates1.0%833
R+53.2- Lead
- 44,411
- Total
- 83,432
- vs nation
- R+51.8
modeled Census-place estimatemodeled estimate
Akashicstate senate district
Missouri 3rd State Senate District
Office (updates table and map)
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
President results by year
Modeled candidate-vote estimate on current district boundaries
BidenDemocratic24.5%20,221TrumpRepublican74.0%61,227OtherAll other candidates1.5%1,240
R+49.6- Lead
- 41,006
- Total
- 82,688
- vs nation
- R+54.0
modeled Census-place estimatemodeled estimate
ClintonDemocratic24.7%18,326TrumpRepublican70.6%52,478OtherAll other candidates4.7%3,488
R+46.0- Lead
- 34,152
- Total
- 74,292
- vs nation
- R+48.1
modeled Census-place estimatemodeled estimate
ObamaDemocratic38.9%26,594RomneyRepublican58.9%40,330OtherAll other candidates2.2%1,528
R+20.1- Lead
- 13,736
- Total
- 68,452
- vs nation
- R+23.9
modeled Census-place estimatemodeled estimate
ObamaDemocratic47.3%34,932McCainRepublican51.3%37,910OtherAll other candidates1.4%1,056
R+4.0- Lead
- 2,978
- Total
- 73,898
- vs nation
- R+11.3
modeled Census-place estimatemodeled estimate
KerryDemocratic46.3%31,423BushRepublican53.2%36,132OtherAll other candidates0.6%381
R+6.9- Lead
- 4,709
- Total
- 67,936
- vs nation
- R+4.5
modeled Census-place estimatemodeled estimate
GoreDemocratic46.8%27,032BushRepublican51.0%29,436OtherAll other candidates2.3%1,301
R+4.2- Lead
- 2,404
- Total
- 57,769
- vs nation
- R+4.7
modeled Census-place estimatemodeled estimate
ClintonDemocratic49.6%26,150DoleRepublican35.3%18,600OtherAll other candidates15.0%7,926
D+14.3- Lead
- 7,550
- Total
- 52,676
- vs nation
- D+5.8
modeled Census-place estimatemodeled estimate
Key facts
- 2024 presidential margin
- R+53.2MIT Election Lab
- Population
- 177,8382024 5-year
- Population density
- 64 / sq mi2024 5-year · TIGER/Line
- Land area
- 2,797 sq miTIGER/Line
- Median household income
- $64,0122024 5-year
- White (non-Hispanic)
- 90.6%2024 5-year
- Black
- 2.2%2024 5-year
- Hispanic / Latino
- 1.6%2024 5-year
- Peak Democratic margin
- D+32.9 in 1876MIT Election Lab
- Peak Republican margin
- R+53.2 in 2024MIT Election Lab
- Most similar
- State Senate District 22, MO · twin score 95.5
presidential history
Party record book
Missouri 3rd State Senate District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Samuel J. Tilden1876
66.3%
5,622 votes · D+32.9 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 65.0%
Republican
Donald Trump2024
76.1%
63,505 votes · R+53.2 · modeled estimate
Runner-up · Donald Trump, 2020 · 74.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
34,932votes
47.3% of the vote · R+4.0 · modeled estimate
Runner-up · John Kerry, 2004 · 31,423 votes
Republican
Donald Trump2024
63,505votes
76.1% of the vote · R+53.2 · modeled estimate
Runner-up · Donald Trump, 2020 · 61,227 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
John W. Davis1924
+17.1pts D vs U.S.
Place R+8.0 · U.S. R+25.2 · modeled estimate
Runner-up · James M. Cox, 1920 · +13.6 pts
Republican
Donald Trump2020
+54.0pts R vs U.S.
Place R+49.6 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2024 · +51.8 pts
current representation
Current officeholders
RMike HendersonState Senate · 3
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 1 House
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2018 | R | 34.2%20,593 | 65.8%39,687 | 60,280 |
Covering a largely rural stretch of the state, this district delivered a 51.7-point Republican margin in 2024, reflecting the deep conservative realignment that has reshaped Missouri's small-town and agricultural communities over the past two decades.
Across the recorded series it reached a Democratic high of 32.9 points in 1876 and a Republican high of 53.2 points in 2024. Between 2020 and 2024 the district moved 3.6 points toward the Republican candidate; the 2024 margin was 53.2 points.
A population of 177,838, a 91% non-Hispanic-white share, and a median household income of $64,012 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 22 and State Senate District 39.
Political twins — state-senate districts
The state-senate districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
State Senate District 22
Missouri
95.5twin score
elasticity2016–2024 trajectory≠ 12-yr trend
State Senate District 39
Indiana
93.4twin score
elasticity2016–2024 trajectory
State Senate District 27
Indiana
93.0twin score
2016–2024 trajectory12-yr trend≠ French ancestry
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Missouri 3rd State Senate District. Akashic. https://akashic.app/sld-upper/29003/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Places within Missouri 3rd State Senate District
Frequently asked questions
How did Missouri 3rd State Senate District vote in 2024?
In 2024, Missouri 3rd State Senate District voted Republican by 53.2 points (R+53.2), carried by the Republican candidate. Out of 83,432 votes cast, 19,094 went Democratic and 63,505 went Republican.
When did Missouri 3rd State Senate District last vote Democratic?
The most recent presidential election in which Missouri 3rd State Senate District voted Democratic was 1996.
How many people live in Missouri 3rd State Senate District?
Missouri 3rd State Senate District has a population of 177,838 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Missouri 3rd State Senate District?
Median household income in Missouri 3rd State Senate District is $64,012 — below the national median of $80,734. The Missouri state median is $70,702.
What is the political history of Missouri 3rd State Senate District?
Akashic tracks 38 presidential elections in Missouri 3rd State Senate District from 1876 to 2024. Of those, 15 went Democratic and 23 went Republican.