- Lead
- 10,822
- Total
- 22,028
- vs nation
- R+47.7
Louisiana 31st State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 10,029
- Total
- 20,737
- vs nation
- R+52.8
- Lead
- 10,015
- Total
- 19,236
- vs nation
- R+54.2
- Lead
- 8,971
- Total
- 18,406
- vs nation
- R+52.6
- Lead
- 8,070
- Total
- 18,118
- vs nation
- R+51.8
- Lead
- 5,756
- Total
- 17,866
- vs nation
- R+29.8
- Lead
- 4,281
- Total
- 15,843
- vs nation
- R+27.5
- Lead
- 577
- Total
- 15,810
- vs nation
- R+4.9
Key facts
- 2024 presidential margin
- R+49.1MIT Election Lab
- Population
- 46,5102024 5-year
- Population density
- 594 / sq mi2024 5-year · TIGER/Line
- Land area
- 78.3 sq miTIGER/Line
- Median household income
- $72,3282024 5-year
- White (non-Hispanic)
- 68.7%2024 5-year
- Black
- 17.1%2024 5-year
- Hispanic / Latino
- 6.0%2024 5-year
- Peak Democratic margin
- D+86.8 in 1932MIT Election Lab
- Peak Republican margin
- R+52.1 in 2016MIT Election Lab
- Most similar
- State House District 48, LA · twin score 98.6
presidential history
Party record book
Louisiana 31st 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
Franklin D. Roosevelt1932
93.4%
1,494 votes · D+86.8 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 92.9%
Republican
Donald Trump2016
74.2%
14,273 votes · R+52.1 · modeled estimate
Runner-up · Donald Trump, 2024 · 73.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Bill Clinton1996
7,574votes
47.9% of the vote · D+3.6 · modeled estimate
Runner-up · Bill Clinton, 1992 · 7,209 votes
Republican
Donald Trump2024
16,241votes
73.7% of the vote · R+49.1 · modeled estimate
Runner-up · Donald Trump, 2020 · 15,196 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
+103.5pts D vs U.S.
Place D+83.8 · U.S. R+19.7 · modeled estimate
Runner-up · Al Smith, 1928 · +91.2 pts
Republican
Donald Trump2016
+54.2pts R vs U.S.
Place R+52.1 · U.S. D+2.1 · modeled estimate
Runner-up · Donald Trump, 2020 · +52.8 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 | 28.6%4,132 | 71.4%10,299 | 14,431 |
Louisiana 31st State House District sits in the Gulf South. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 86.8 points in 1932 and a Republican high of 52.1 points in 2016. Between 2020 and 2024 the district moved 0.8 points toward the Republican candidate; the 2024 margin was 49.1 points.
A population of 46,510, a 69% non-Hispanic-white share, and a median household income of $72,328 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 48 and State House District 49.
The state-house 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 31st State House District. Akashic. https://akashic.app/sld-lower/22031/. Accessed May 20, 2026. License: CC BY 4.0.