- Lead
- 17,352
- Total
- 52,382
- vs nation
- R+31.7
Louisiana 1st State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 22,215
- Total
- 63,656
- vs nation
- R+39.4
- Lead
- 22,407
- Total
- 53,072
- vs nation
- R+44.3
- Lead
- 20,656
- Total
- 47,953
- vs nation
- R+46.9
- Lead
- 21,273
- Total
- 46,755
- vs nation
- R+52.8
- Lead
- 20,504
- Total
- 48,408
- vs nation
- R+39.9
- Lead
- 14,148
- Total
- 41,333
- vs nation
- R+34.7
- Lead
- 6,720
- Total
- 38,299
- vs nation
- R+26.1
Key facts
- 2024 presidential margin
- R+33.1MIT Election Lab
- Population
- 115,6222024 5-year
- Population density
- 159 / sq mi2024 5-year · TIGER/Line
- Land area
- 727 sq miTIGER/Line
- Median household income
- $73,0132024 5-year
- White (non-Hispanic)
- 62.8%2024 5-year
- Black
- 21.4%2024 5-year
- Hispanic / Latino
- 8.2%2024 5-year
- Peak Democratic margin
- D+80.0 in 1932MIT Election Lab
- Peak Republican margin
- R+61.6 in 1972MIT Election Lab
- Most similar
- State Senate District 10, LA · twin score 95.9
presidential history
Party record book
Louisiana 1st 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
90.0%
1,945 votes · D+80.0 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 84.6%
Republican
Richard Nixon1972
78.4%
12,027 votes · R+61.6 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 75.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
20,195votes
31.7% of the vote · R+34.9 · modeled estimate
Runner-up · Kamala Harris, 2024 · 17,151 votes
Republican
Donald Trump2020
42,410votes
66.6% of the vote · R+34.9 · modeled estimate
Runner-up · Donald Trump, 2016 · 36,667 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
+87.4pts D vs U.S.
Place D+67.8 · U.S. R+19.7 · modeled estimate
Runner-up · William J. Bryan, 1908 · +69.6 pts
Republican
John McCain2008
+52.8pts R vs U.S.
Place R+45.5 · U.S. D+7.3 · modeled estimate
Runner-up · Mitt Romney, 2012 · +46.9 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 | R | 25.5%9,780 | 74.5%28,644 | 38,424 |
Anchored in the northwestern corner of Louisiana, this sparsely populated district recorded a 33.1-point Republican presidential margin in 2024, placing it among the most one-sided state senate districts in the country.
Across the recorded series it reached a Democratic high of 80.0 points in 1932 and a Republican high of 61.6 points in 1972. Between 2020 and 2024 the district moved 1.8 points toward the Democratic candidate; the 2024 margin was 33.1 points.
A population of 115,622, a 63% non-Hispanic-white share, and a median household income of $73,013 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 9.
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 1st State Senate District. Akashic. https://akashic.app/sld-upper/22001/. Accessed May 20, 2026. License: CC BY 4.0.