HarrisDemocratic49.2%8,565TrumpRepublican49.5%8,621OtherAll other candidates1.3%230
R+0.3- Lead
- 56
- Total
- 17,416
- vs nation
- D+1.2
modeled Census-place estimatemodeled estimate
Akashicstate house district
Louisiana 21st 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
BidenDemocratic52.5%10,678TrumpRepublican46.0%9,356OtherAll other candidates1.4%292
D+6.5- Lead
- 1,322
- Total
- 20,326
- vs nation
- D+2.0
modeled Census-place estimatemodeled estimate
ClintonDemocratic53.6%11,005TrumpRepublican45.0%9,243OtherAll other candidates1.4%284
D+8.6- Lead
- 1,762
- Total
- 20,532
- vs nation
- D+6.5
modeled Census-place estimatemodeled estimate
ObamaDemocratic57.4%13,077RomneyRepublican41.7%9,507OtherAll other candidates0.9%201
D+15.7- Lead
- 3,570
- Total
- 22,785
- vs nation
- D+11.8
modeled Census-place estimatemodeled estimate
ObamaDemocratic56.4%13,045McCainRepublican42.5%9,821OtherAll other candidates1.1%244
D+14.0- Lead
- 3,224
- Total
- 23,110
- vs nation
- D+6.7
modeled Census-place estimatemodeled estimate
KerryDemocratic53.5%11,553BushRepublican45.2%9,746OtherAll other candidates1.3%283
D+8.4- Lead
- 1,807
- Total
- 21,582
- vs nation
- D+10.8
modeled Census-place estimatemodeled estimate
GoreDemocratic56.1%11,823BushRepublican40.8%8,591OtherAll other candidates3.1%655
D+15.3- Lead
- 3,232
- Total
- 21,069
- vs nation
- D+14.8
modeled Census-place estimatemodeled estimate
ClintonDemocratic65.0%15,289DoleRepublican25.9%6,086OtherAll other candidates9.2%2,162
D+39.1- Lead
- 9,203
- Total
- 23,537
- vs nation
- D+30.6
modeled Census-place estimatemodeled estimate
Key facts
- 2024 presidential margin
- R+0.3MIT Election Lab
- Population
- 44,3142024 5-year
- Population density
- 23 / sq mi2024 5-year · TIGER/Line
- Land area
- 1,963 sq miTIGER/Line
- Median household income
- $37,0282024 5-year
- White (non-Hispanic)
- 39.1%2024 5-year
- Black
- 56.3%2024 5-year
- Hispanic / Latino
- 1.9%2024 5-year
- Peak Democratic margin
- D+97.3 in 1916MIT Election Lab
- Peak Republican margin
- R+54.9 in 1964MIT Election Lab
- Most similar
- State House District 128, GA · twin score 96.5
presidential history
Party record book
Louisiana 21st 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
Woodrow Wilson1916
98.5%
1,571 votes · D+97.3 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1932 · 98.4%
Republican
Barry Goldwater1964
77.4%
8,376 votes · R+54.9 · modeled estimate
Runner-up · Rutherford B. Hayes, 1876 · 76.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Jimmy Carter1976
16,328votes
65.6% of the vote · D+33.2 · modeled estimate
Runner-up · Bill Clinton, 1996 · 15,289 votes
Republican
Ronald Reagan1984
11,767votes
48.0% of the vote · D+1.9 · modeled estimate
Runner-up · John McCain, 2008 · 9,821 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
James M. Cox1920
+120.1pts D vs U.S.
Place D+93.9 · U.S. R+26.2 · modeled estimate
Runner-up · Alton B. Parker, 1904 · +115.4 pts
Republican
Barry Goldwater1964
+77.5pts R vs U.S.
Place R+54.9 · U.S. D+22.6 · modeled estimate
Runner-up · Donald Trump, 2024 · −1.2 pts
current representation
Current officeholders
DTravis JohnsonState House · 21
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 | 36.9%5,416 | 63.1%9,250 | 14,666 |
Louisiana 21st State House District sits in the Gulf South. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 97.3 points in 1916 and a Republican high of 54.9 points in 1964. Between 2020 and 2024 the district moved 6.8 points toward the Republican candidate; the 2024 margin was 0.3 points.
A population of 44,314, a 39% non-Hispanic-white share, and a median household income of $37,028 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 128 and State House District 150.
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 128
Georgia
96.5twin score
% Blackcollege share% Catholic
State House District 150
Georgia
96.1twin score
% Blackcollege share12-yr trend
State House District 91
Mississippi
95.2twin score
% Blackcollege share12-yr trend≠ % unaffiliated
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 21st State House District. Akashic. https://akashic.app/sld-lower/22021/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Louisiana at the ballot boxAll elections →
Places within Louisiana 21st State House District
Frequently asked questions
How did Louisiana 21st State House District vote in 2024?
In 2024, Louisiana 21st State House District voted a near-tie (R+0.3), carried by the Republican candidate. Out of 17,416 votes cast, 8,565 went Democratic and 8,621 went Republican.
When did Louisiana 21st State House District last vote Democratic?
The most recent presidential election in which Louisiana 21st State House District voted Democratic was 2020.
How many people live in Louisiana 21st State House District?
Louisiana 21st State House District has a population of 44,314 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Louisiana 21st State House District?
Median household income in Louisiana 21st State House District is $37,028 — below the national median of $80,734. The Louisiana state median is $60,756.
What is the political history of Louisiana 21st State House District?
Akashic tracks 38 presidential elections in Louisiana 21st State House District from 1876 to 2024. Of those, 31 went Democratic and 4 went Republican.