HarrisDemocratic52.4%10,518TrumpRepublican46.3%9,285OtherAll other candidates1.3%265
D+6.1- Lead
- 1,233
- Total
- 20,068
- vs nation
- D+7.6
modeled Census-place estimatemodeled estimate
Akashicstate house district
Louisiana 40th State House 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
BidenDemocratic55.1%12,170TrumpRepublican43.0%9,504OtherAll other candidates1.8%403
D+12.1- Lead
- 2,666
- Total
- 22,077
- vs nation
- D+7.6
modeled Census-place estimatemodeled estimate
ClintonDemocratic55.5%11,911TrumpRepublican42.3%9,084OtherAll other candidates2.1%461
D+13.2- Lead
- 2,827
- Total
- 21,456
- vs nation
- D+11.1
modeled Census-place estimatemodeled estimate
ObamaDemocratic59.9%13,652RomneyRepublican39.0%8,886OtherAll other candidates1.0%238
D+20.9- Lead
- 4,766
- Total
- 22,776
- vs nation
- D+17.1
modeled Census-place estimatemodeled estimate
ObamaDemocratic60.3%14,053McCainRepublican38.4%8,961OtherAll other candidates1.3%305
D+21.8- Lead
- 5,092
- Total
- 23,319
- vs nation
- D+14.6
modeled Census-place estimatemodeled estimate
KerryDemocratic62.0%12,615BushRepublican37.3%7,598OtherAll other candidates0.7%143
D+24.6- Lead
- 5,017
- Total
- 20,356
- vs nation
- D+27.1
modeled Census-place estimatemodeled estimate
GoreDemocratic65.0%12,542BushRepublican33.2%6,400OtherAll other candidates1.9%360
D+31.8- Lead
- 6,142
- Total
- 19,302
- vs nation
- D+31.3
modeled Census-place estimatemodeled estimate
ClintonDemocratic68.7%14,331DoleRepublican24.3%5,067OtherAll other candidates7.0%1,457
D+44.4- Lead
- 9,264
- Total
- 20,855
- vs nation
- D+35.9
modeled Census-place estimatemodeled estimate
Key facts
- 2024 presidential margin
- D+6.1MIT Election Lab
- Population
- 45,2962024 5-year
- Population density
- 229 / sq mi2024 5-year · TIGER/Line
- Land area
- 198 sq miTIGER/Line
- Median household income
- $45,9182024 5-year
- White (non-Hispanic)
- 39.3%2024 5-year
- Black
- 54.8%2024 5-year
- Hispanic / Latino
- 2.1%2024 5-year
- Peak Democratic margin
- D+93.3 in 1904MIT Election Lab
- Most similar
- State House District 96, LA · twin score 98.7
presidential history
Party record book
Louisiana 40th State House 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
Alton B. Parker1904
96.3%
651 votes · D+93.3 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 95.7%
Republican
Donald Trump2024
46.3%
9,285 votes · D+6.1 · modeled estimate
Runner-up · Richard Nixon, 1972 · 45.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Bill Clinton1996
14,331votes
68.7% of the vote · D+44.4 · modeled estimate
Runner-up · Bill Clinton, 1992 · 14,154 votes
Republican
Donald Trump2020
9,504votes
43.0% of the vote · D+12.1 · modeled estimate
Runner-up · Donald Trump, 2024 · 9,285 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
+113.0pts D vs U.S.
Place D+93.3 · U.S. R+19.7 · modeled estimate
Runner-up · John W. Davis, 1924 · +98.9 pts
Republican
Barry Goldwater1964
−5.8pts R vs U.S.
Place D+28.3 · U.S. D+22.6 · modeled estimate
Runner-up · Thomas E. Dewey, 1948 · −7.3 pts
current representation
Current officeholders
DDustin MillerState House · 40
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 | 41.7%6,040 | 58.3%8,430 | 14,470 |
With a 2024 presidential margin of D+6.2 in a state that voted heavily Republican statewide, District 40 stands out as one of Louisiana's more competitive legislative seats, likely anchored by an urban or majority-minority constituency.
Across the recorded series it reached a Democratic high of 93.3 points in 1904. Between 2020 and 2024 the district moved 5.9 points toward the Republican candidate; the 2024 margin was 6.1 points.
A population of 45,296, a 39% non-Hispanic-white share, and a median household income of $45,918 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 96 and State House District 58.
Political twins — state-house districts
The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
State House District 96
Louisiana
98.7twin score
% Black% Catholic% unaffiliated
State House District 58
Louisiana
92.8twin score
% Black% CatholicAfrican American ancestry
State House District 83
Louisiana
85.7twin score
% Black% unaffiliated12-yr trend≠ elasticity
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 40th State House District. Akashic. https://akashic.app/sld-lower/22040/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Louisiana at the ballot boxAll elections →
Places within Louisiana 40th State House District
counties it covers1
Frequently asked questions
How did Louisiana 40th State House District vote in 2024?
In 2024, Louisiana 40th State House District voted Democratic by 6.1 points (D+6.1), carried by the Democratic candidate. Out of 20,068 votes cast, 10,518 went Democratic and 9,285 went Republican.
How many people live in Louisiana 40th State House District?
Louisiana 40th State House District has a population of 45,296 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Louisiana 40th State House District?
Median household income in Louisiana 40th State House District is $45,918 — below the national median of $80,734. The Louisiana state median is $60,756.
What is the political history of Louisiana 40th State House District?
Akashic tracks 38 presidential elections in Louisiana 40th State House District from 1876 to 2024. Of those, 36 went Democratic and 0 went Republican.