- Lead
- 30,976
- Total
- 49,743
- vs nation
- D+63.7
Louisiana 4th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 30,500
- Total
- 50,579
- vs nation
- D+55.8
- Lead
- 27,712
- Total
- 46,968
- vs nation
- D+56.9
- Lead
- 24,487
- Total
- 44,976
- vs nation
- D+50.6
- Lead
- 21,814
- Total
- 42,115
- vs nation
- D+44.5
- Lead
- 26,233
- Total
- 56,853
- vs nation
- D+48.6
- Lead
- 23,283
- Total
- 52,249
- vs nation
- D+44.0
- Lead
- 25,228
- Total
- 54,706
- vs nation
- D+37.6
Key facts
- 2024 presidential margin
- D+62.3MIT Election Lab
- Population
- 117,8212024 5-year
- Population density
- 5,014 / sq mi2024 5-year · TIGER/Line
- Land area
- 23.5 sq miTIGER/Line
- Median household income
- $53,7212024 5-year
- White (non-Hispanic)
- 31.1%2024 5-year
- Black
- 56.9%2024 5-year
- Hispanic / Latino
- 7.1%2024 5-year
- Peak Democratic margin
- D+84.4 in 1932MIT Election Lab
- Peak Republican margin
- R+29.0 in 1956MIT Election Lab
- Most similar
- State Senate District 3, LA · twin score 98.2
presidential history
Party record book
Louisiana 4th 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
92.0%
23,051 votes · D+84.4 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 88.9%
Republican
Dwight D. Eisenhower1956
62.7%
32,626 votes · R+29.0 · modeled estimate
Runner-up · Richard Nixon, 1972 · 60.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
John Kerry2004
41,290votes
72.6% of the vote · D+46.1 · modeled estimate
Runner-up · Joe Biden, 2020 · 40,073 votes
Republican
Dwight D. Eisenhower1956
32,626votes
62.7% of the vote · R+29.0 · modeled estimate
Runner-up · Richard Nixon, 1972 · 30,956 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
+93.7pts D vs U.S.
Place D+74.0 · U.S. R+19.7 · modeled estimate
Runner-up · John W. Davis, 1924 · +80.9 pts
Republican
Barry Goldwater1964
+34.9pts R vs U.S.
Place R+12.3 · U.S. D+22.6 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · +13.6 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 | D | 92.0%34,235 | 8.0%2,959 | 37,194 |
Louisiana 4th State Senate District sits in the Gulf South. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 84.4 points in 1932 and a Republican high of 29.0 points in 1956. Between 2020 and 2024 the district moved 2.0 points toward the Democratic candidate; the 2024 margin was 62.3 points.
A population of 117,821, a 31% non-Hispanic-white share, and a median household income of $53,721 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 3 and State Senate District 5.
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 4th State Senate District. Akashic. https://akashic.app/sld-upper/22004/. Accessed May 20, 2026. License: CC BY 4.0.