- Lead
- 48,496
- Total
- 87,089
- vs nation
- R+54.2
Missouri 27th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 46,993
- Total
- 87,043
- vs nation
- R+58.4
- Lead
- 44,831
- Total
- 81,623
- vs nation
- R+57.0
- Lead
- 31,506
- Total
- 78,434
- vs nation
- R+44.0
- Lead
- 23,765
- Total
- 82,688
- vs nation
- R+36.0
- Lead
- 25,529
- Total
- 79,116
- vs nation
- R+29.8
- Lead
- 18,711
- Total
- 69,678
- vs nation
- R+27.4
- Lead
- 4,139
- Total
- 66,485
- vs nation
- R+14.7
Key facts
- 2024 presidential margin
- R+55.7MIT Election Lab
- Population
- 177,5412024 5-year
- Population density
- 45 / sq mi2024 5-year · TIGER/Line
- Land area
- 3,944 sq miTIGER/Line
- Median household income
- $63,1302024 5-year
- White (non-Hispanic)
- 85.2%2024 5-year
- Black
- 6.4%2024 5-year
- Hispanic / Latino
- 2.4%2024 5-year
- Peak Democratic margin
- D+33.3 in 1876MIT Election Lab
- Peak Republican margin
- R+55.7 in 2024MIT Election Lab
- Most similar
- State Senate District 12, MO · twin score 96.9
presidential history
Party record book
Missouri 27th 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
66.6%
7,851 votes · D+33.3 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 63.4%
Republican
Donald Trump2024
77.4%
67,377 votes · R+55.7 · modeled estimate
Runner-up · Donald Trump, 2020 · 76.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
32,474votes
61.6% of the vote · D+23.1 · modeled estimate
Runner-up · Jimmy Carter, 1976 · 31,074 votes
Republican
Donald Trump2024
67,377votes
77.4% of the vote · R+55.7 · modeled estimate
Runner-up · Donald Trump, 2020 · 66,413 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
+24.2pts D vs U.S.
Place R+1.0 · U.S. R+25.2 · modeled estimate
Runner-up · William J. Bryan, 1896 · +21.2 pts
Republican
Donald Trump2020
+58.4pts R vs U.S.
Place R+54.0 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2016 · +57.0 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
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.
District 27 recorded a 55.7-point Republican presidential margin in 2024, placing it among the state's most reliably one-sided legislative constituencies. Its political uniformity makes contested general elections rare.
Across the recorded series it reached a Democratic high of 33.3 points in 1876 and a Republican high of 55.7 points in 2024. Between 2020 and 2024 the district moved 1.7 points toward the Republican candidate; the 2024 margin was 55.7 points.
A population of 177,541, a 85% non-Hispanic-white share, and a median household income of $63,130 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 12 and State Senate District 18.
The state-senate districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
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 →
Missouri 27th State Senate District. Akashic. https://akashic.app/sld-upper/29027/. Accessed May 20, 2026. License: CC BY 4.0.