- Lead
- 198,377
- Total
- 367,312
- vs nation
- R+52.5
Missouri 8th Congressional District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 188,104
- Total
- 366,653
- vs nation
- R+55.8
- Lead
- 174,628
- Total
- 344,956
- vs nation
- R+52.7
- Lead
- 102,261
- Total
- 329,417
- vs nation
- R+34.9
- Lead
- 65,405
- Total
- 350,260
- vs nation
- R+25.9
- Lead
- 72,047
- Total
- 332,113
- vs nation
- R+19.2
- Lead
- 46,614
- Total
- 291,154
- vs nation
- R+16.5
- Lead
- 9,284
- Total
- 272,104
- vs nation
- R+5.1
Key facts
- 2024 presidential margin
- R+54.0MIT Election Lab
- Population
- 769,3462024 5-year
- Population density
- 42 / sq mi2024 5-year · TIGER/Line
- Land area
- 18,485 sq miTIGER/Line
- Median household income
- $60,1662024 5-year
- White (non-Hispanic)
- 86.8%2024 5-year
- Black
- 4.5%2024 5-year
- Hispanic / Latino
- 2.4%2024 5-year
- Peak Democratic margin
- D+35.7 in 1876MIT Election Lab
- Peak Republican margin
- R+54.0 in 2024MIT Election Lab
- Most similar
- Congressional District 12, IL · twin score 98.0
presidential history
Party record book
Missouri 8th Congressional 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
67.7%
25,497 votes · D+35.7 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 64.2%
Republican
Donald Trump2024
76.5%
281,042 votes · R+54.0 · modeled estimate
Runner-up · Donald Trump, 2020 · 74.9%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
139,384votes
39.8% of the vote · R+18.7 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 135,548 votes
Republican
Donald Trump2024
281,042votes
76.5% of the vote · R+54.0 · modeled estimate
Runner-up · Donald Trump, 2020 · 274,731 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
+24.8pts D vs U.S.
Place R+0.4 · U.S. R+25.2 · modeled estimate
Runner-up · William J. Bryan, 1896 · +24.7 pts
Republican
Donald Trump2020
+55.8pts R vs U.S.
Place R+51.3 · U.S. D+4.5 · modeled estimate
Runner-up · Donald Trump, 2016 · +52.7 pts
Current officeholders
Federal officeholders only. State and local officeholders are planned for the next data pass.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each result reflects the U.S. House district as it was drawn for that election; redistricting has redrawn these lines over time, so they can differ from the current 120th-Congress district shown on the map above.
Missouri 8th Congressional District sits in the Border South. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 35.7 points in 1876 and a Republican high of 54.0 points in 2024. Between 2020 and 2024 the district moved 2.7 points toward the Republican candidate; the 2024 margin was 54.0 points.
A population of 769,346, a 87% non-Hispanic-white share, and a median household income of $60,166 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 12 and Congressional District 5.
The congressional 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 8th Congressional District. Akashic. https://akashic.app/cd/2908/. Accessed May 20, 2026. License: CC BY 4.0.