- Lead
- 14,965
- Total
- 23,591
- vs nation
- R+62.0
Missouri 138th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 14,210
- Total
- 22,932
- vs nation
- R+66.4
- Lead
- 12,497
- Total
- 20,353
- vs nation
- R+63.5
- Lead
- 9,758
- Total
- 19,235
- vs nation
- R+54.6
- Lead
- 7,724
- Total
- 19,512
- vs nation
- R+46.9
- Lead
- 7,373
- Total
- 17,595
- vs nation
- R+39.4
- Lead
- 4,464
- Total
- 13,801
- vs nation
- R+32.9
- Lead
- 2,121
- Total
- 11,348
- vs nation
- R+27.2
Key facts
- 2024 presidential margin
- R+63.4MIT Election Lab
- Population
- 38,7572024 5-year
- Population density
- 57 / sq mi2024 5-year · TIGER/Line
- Land area
- 675 sq miTIGER/Line
- Median household income
- $67,4482024 5-year
- White (non-Hispanic)
- 90.9%2024 5-year
- Black
- 0.3%2024 5-year
- Hispanic / Latino
- 2.6%2024 5-year
- Peak Democratic margin
- D+2.5 in 1932MIT Election Lab
- Peak Republican margin
- R+67.6 in 1928MIT Election Lab
- Most similar
- State House District 21, TN · twin score 97.1
presidential history
Party record book
Missouri 138th State House 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
Franklin D. Roosevelt1932
50.9%
1,947 votes · D+2.5 · modeled estimate
Runner-up · William J. Bryan, 1896 · 42.6%
Republican
Herbert Hoover1928
83.7%
3,115 votes · R+67.6 · modeled estimate
Runner-up · Donald Trump, 2024 · 81.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
5,753votes
29.5% of the vote · R+39.6 · modeled estimate
Runner-up · John Kerry, 2004 · 5,069 votes
Republican
Donald Trump2024
19,193votes
81.4% of the vote · R+63.4 · modeled estimate
Runner-up · Donald Trump, 2020 · 18,459 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
William J. Bryan1896
−8.6pts D vs U.S.
Place R+14.6 · U.S. R+6.1 · modeled estimate
Runner-up · Bill Clinton, 1992 · −15.3 pts
Republican
Thomas E. Dewey1944
+70.1pts R vs U.S.
Place R+62.6 · U.S. D+7.5 · modeled estimate
Runner-up · Donald Trump, 2020 · +66.4 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.
With a 2024 presidential margin of R+63.4, this rural Missouri district ranks among the most one-sided in the state, reflecting the deep political consolidation that has reshaped nonmetropolitan Missouri over the past two decades.
Across the recorded series it reached a Democratic high of 2.5 points in 1932 and a Republican high of 67.6 points in 1928. Between 2020 and 2024 the district moved 1.5 points toward the Republican candidate; the 2024 margin was 63.4 points.
A population of 38,757, a 91% non-Hispanic-white share, and a median household income of $67,448 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 21 and State House District 3.
The state-house 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 138th State House District. Akashic. https://akashic.app/sld-lower/29138/. Accessed May 20, 2026. License: CC BY 4.0.