- Lead
- 3,443
- Total
- 18,676
- vs nation
- R+17.0
Missouri 103rd State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 3,361
- Total
- 18,905
- vs nation
- R+22.2
- Lead
- 4,760
- Total
- 18,252
- vs nation
- R+28.2
- Lead
- 3,513
- Total
- 16,713
- vs nation
- R+24.9
- Lead
- 1,642
- Total
- 16,948
- vs nation
- R+17.0
- Lead
- 2,588
- Total
- 14,668
- vs nation
- R+15.2
- Lead
- 1,652
- Total
- 11,523
- vs nation
- R+14.9
- Lead
- 571
- Total
- 9,167
- vs nation
- R+14.7
Key facts
- 2024 presidential margin
- R+18.4MIT Election Lab
- Population
- 37,0612024 5-year
- Population density
- 3,195 / sq mi2024 5-year · TIGER/Line
- Land area
- 11.6 sq miTIGER/Line
- Median household income
- $98,4282024 5-year
- White (non-Hispanic)
- 80.1%2024 5-year
- Black
- 6.1%2024 5-year
- Hispanic / Latino
- 5.1%2024 5-year
- Peak Democratic margin
- D+31.9 in 1932MIT Election Lab
- Peak Republican margin
- R+46.2 in 1984MIT Election Lab
- Most similar
- State House District 64, MO · twin score 96.9
presidential history
Party record book
Missouri 103rd 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
65.2%
636 votes · D+31.9 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 61.9%
Republican
Ronald Reagan1984
73.1%
4,298 votes · R+46.2 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 72.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
7,603votes
40.2% of the vote · R+17.8 · modeled estimate
Runner-up · Barack Obama, 2008 · 7,565 votes
Republican
Donald Trump2020
10,964votes
58.0% of the vote · R+17.8 · modeled estimate
Runner-up · Donald Trump, 2016 · 10,925 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
Franklin D. Roosevelt1932
+14.1pts D vs U.S.
Place D+31.9 · U.S. D+17.8 · modeled estimate
Runner-up · Al Smith, 1928 · +13.4 pts
Republican
Charles E. Hughes1916
+31.7pts R vs U.S.
Place R+28.6 · U.S. D+3.1 · modeled estimate
Runner-up · William H. Taft, 1912 · +31.6 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.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2018 | R | 41.2%6,215 | 58.8%8,864 | 15,079 |
Missouri 103rd State House District sits in the Border South. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 31.9 points in 1932 and a Republican high of 46.2 points in 1984. Between 2020 and 2024 the district moved 0.7 points toward the Republican candidate; the 2024 margin was 18.4 points.
A population of 37,061, a 80% non-Hispanic-white share, and a median household income of $98,428 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 64 and State House District 65.
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 103rd State House District. Akashic. https://akashic.app/sld-lower/29103/. Accessed May 20, 2026. License: CC BY 4.0.