HarrisDemocratic24.5%14,770TrumpRepublican74.0%44,652OtherAll other candidates1.5%924
R+49.5- Lead
- 29,882
- Total
- 60,346
- vs nation
- R+48.0
modeled Census-place estimatemodeled estimate
Akashicstate senate district
Louisiana 18th State Senate District
Office (updates table and map)
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
President results by year
Modeled candidate-vote estimate on current district boundaries
BidenDemocratic22.6%13,649TrumpRepublican75.6%45,645OtherAll other candidates1.8%1,095
R+53.0- Lead
- 31,996
- Total
- 60,389
- vs nation
- R+57.4
modeled Census-place estimatemodeled estimate
ClintonDemocratic21.5%11,543TrumpRepublican74.8%40,193OtherAll other candidates3.8%2,027
R+53.3- Lead
- 28,650
- Total
- 53,763
- vs nation
- R+55.4
modeled Census-place estimatemodeled estimate
ObamaDemocratic23.1%11,579RomneyRepublican75.1%37,640OtherAll other candidates1.8%910
R+52.0- Lead
- 26,061
- Total
- 50,129
- vs nation
- R+55.8
modeled Census-place estimatemodeled estimate
ObamaDemocratic22.6%10,480McCainRepublican75.8%35,093OtherAll other candidates1.6%751
R+53.1- Lead
- 24,613
- Total
- 46,324
- vs nation
- R+60.4
modeled Census-place estimatemodeled estimate
KerryDemocratic26.5%10,214BushRepublican72.1%27,800OtherAll other candidates1.3%519
R+45.6- Lead
- 17,586
- Total
- 38,533
- vs nation
- R+43.2
modeled Census-place estimatemodeled estimate
GoreDemocratic33.0%9,936BushRepublican64.5%19,411OtherAll other candidates2.5%742
R+31.5- Lead
- 9,475
- Total
- 30,089
- vs nation
- R+32.0
modeled Census-place estimatemodeled estimate
ClintonDemocratic41.4%11,385DoleRepublican46.2%12,712OtherAll other candidates12.4%3,408
R+4.8- Lead
- 1,327
- Total
- 27,505
- vs nation
- R+13.3
modeled Census-place estimatemodeled estimate
Key facts
- 2024 presidential margin
- R+49.5MIT Election Lab
- Population
- 118,2502024 5-year
- Population density
- 321 / sq mi2024 5-year · TIGER/Line
- Land area
- 368 sq miTIGER/Line
- Median household income
- $97,7892024 5-year
- White (non-Hispanic)
- 72.1%2024 5-year
- Black
- 15.1%2024 5-year
- Hispanic / Latino
- 7.7%2024 5-year
- Peak Democratic margin
- D+59.7 in 1932MIT Election Lab
- Peak Republican margin
- R+74.5 in 1880MIT Election Lab
- Most similar
- State Senate District 1, LA · twin score 91.2
presidential history
Party record book
Louisiana 18th 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
79.9%
1,503 votes · D+59.7 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 79.2%
Republican
James A. Garfield1880
86.6%
2,460 votes · R+74.5 · modeled estimate
Runner-up · James G. Blaine, 1884 · 81.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
14,770votes
24.5% of the vote · R+49.5 · modeled estimate
Runner-up · Joe Biden, 2020 · 13,649 votes
Republican
Donald Trump2020
45,645votes
75.6% of the vote · R+53.0 · modeled estimate
Runner-up · Donald Trump, 2024 · 44,652 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
William J. Bryan1908
+52.9pts D vs U.S.
Place D+43.3 · U.S. R+9.6 · modeled estimate
Runner-up · Al Smith, 1928 · +51.9 pts
Republican
John McCain2008
+60.4pts R vs U.S.
Place R+53.1 · U.S. D+7.3 · modeled estimate
Runner-up · Donald Trump, 2020 · +57.4 pts
current representation
Current officeholders
REddie LambertState Senate · 18
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 1 House
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 | 32.1%11,173 | 67.9%23,623 | 34,796 |
Louisiana Senate District 18 delivers lopsided statewide results, with the 2024 presidential race settled by 27 points — a gap that reflects deep-rooted partisan alignment across its 118,000-resident base.
Across the recorded series it reached a Democratic high of 59.7 points in 1932 and a Republican high of 74.5 points in 1880. Between 2020 and 2024 the district moved 3.5 points toward the Democratic candidate; the 2024 margin was 49.5 points.
A population of 118,250, a 72% non-Hispanic-white share, and a median household income of $97,789 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 1 and State Senate District 6.
Political twins — state-senate districts
The state-senate districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
State Senate District 1
Louisiana
91.2twin score
elasticity2008–2016 trajectory≠ median income
State Senate District 6
Louisiana
91.0twin score
elasticity2008–2016 trajectory≠ % Catholic
State Senate District 13
Louisiana
89.5twin score
elasticity2008–2020 trajectory≠ % Catholic
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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Louisiana 18th State Senate District. Akashic. https://akashic.app/sld-upper/22018/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Louisiana at the ballot boxAll elections →
Places within Louisiana 18th State Senate District
counties it covers3
Frequently asked questions
How did Louisiana 18th State Senate District vote in 2024?
In 2024, Louisiana 18th State Senate District voted Republican by 49.5 points (R+49.5), carried by the Republican candidate. Out of 60,346 votes cast, 14,770 went Democratic and 44,652 went Republican.
When did Louisiana 18th State Senate District last vote Democratic?
The most recent presidential election in which Louisiana 18th State Senate District voted Democratic was 1980.
How many people live in Louisiana 18th State Senate District?
Louisiana 18th State Senate District has a population of 118,250 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Louisiana 18th State Senate District?
Median household income in Louisiana 18th State Senate District is $97,789 — above the national median of $80,734. The Louisiana state median is $60,756.
What is the political history of Louisiana 18th State Senate District?
Akashic tracks 38 presidential elections in Louisiana 18th State Senate District from 1876 to 2024. Of those, 15 went Democratic and 21 went Republican.