- Lead
- 9,879
- Total
- 53,488
- vs nation
- R+17.0
Louisiana 9th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 11,164
- Total
- 58,236
- vs nation
- R+23.6
- Lead
- 13,334
- Total
- 56,704
- vs nation
- R+25.6
- Lead
- 15,506
- Total
- 55,044
- vs nation
- R+32.0
- Lead
- 20,139
- Total
- 56,574
- vs nation
- R+42.9
- Lead
- 20,291
- Total
- 62,722
- vs nation
- R+29.9
- Lead
- 17,050
- Total
- 57,828
- vs nation
- R+30.0
- Lead
- 11,257
- Total
- 58,985
- vs nation
- R+27.6
Key facts
- 2024 presidential margin
- R+18.5MIT Election Lab
- Population
- 124,5372024 5-year
- Population density
- 6,419 / sq mi2024 5-year · TIGER/Line
- Land area
- 19.4 sq miTIGER/Line
- Median household income
- $73,8272024 5-year
- White (non-Hispanic)
- 65.1%2024 5-year
- Black
- 10.1%2024 5-year
- Hispanic / Latino
- 17.7%2024 5-year
- Peak Democratic margin
- D+73.2 in 1932MIT Election Lab
- Peak Republican margin
- R+62.3 in 1972MIT Election Lab
- Most similar
- State Senate District 10, LA · twin score 97.4
presidential history
Party record book
Louisiana 9th 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
Franklin D. Roosevelt1932
86.5%
5,811 votes · D+73.2 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 81.9%
Republican
Richard Nixon1972
78.0%
34,398 votes · R+62.3 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 77.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
22,949votes
39.4% of the vote · R+19.2 · modeled estimate
Runner-up · Bill Clinton, 1996 · 21,801 votes
Republican
Ronald Reagan1984
48,766votes
77.8% of the vote · R+56.2 · modeled estimate
Runner-up · George H. W. Bush, 1988 · 41,914 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
Alton B. Parker1904
+80.4pts D vs U.S.
Place D+60.7 · U.S. R+19.7 · modeled estimate
Runner-up · William J. Bryan, 1908 · +61.5 pts
Republican
Barry Goldwater1964
+60.7pts R vs U.S.
Place R+38.1 · U.S. D+22.6 · modeled estimate
Runner-up · John McCain, 2008 · +42.9 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 | D | 58.1%20,003 | 41.9%14,424 | 34,427 |
Louisiana 9th State Senate District sits in the Gulf South. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 73.2 points in 1932 and a Republican high of 62.3 points in 1972. Between 2020 and 2024 the district moved 0.7 points toward the Democratic candidate; the 2024 margin was 18.5 points.
A population of 124,537, a 65% non-Hispanic-white share, and a median household income of $73,827 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 10 and State Senate District 1.
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 →
Louisiana 9th State Senate District. Akashic. https://akashic.app/sld-upper/22009/. Accessed May 20, 2026. License: CC BY 4.0.