- Lead
- 6,233
- Total
- 22,983
- vs nation
- R+25.6
Louisiana 18th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 5,326
- Total
- 24,776
- vs nation
- R+26.0
- Lead
- 3,624
- Total
- 22,674
- vs nation
- R+18.1
- Lead
- 2,175
- Total
- 23,169
- vs nation
- R+13.2
- Lead
- 2,276
- Total
- 22,991
- vs nation
- R+17.2
- Lead
- 586
- Total
- 20,979
- vs nation
- R+0.3
- Lead
- 1,021
- Total
- 19,907
- vs nation
- D+4.6
- Lead
- 5,273
- Total
- 19,883
- vs nation
- D+18.0
Key facts
- 2024 presidential margin
- R+27.1MIT Election Lab
- Population
- 46,4942024 5-year
- Population density
- 38 / sq mi2024 5-year · TIGER/Line
- Land area
- 1,238 sq miTIGER/Line
- Median household income
- $71,4582024 5-year
- White (non-Hispanic)
- 61.7%2024 5-year
- Black
- 31.3%2024 5-year
- Hispanic / Latino
- 3.7%2024 5-year
- Peak Democratic margin
- D+95.0 in 1904MIT Election Lab
- Peak Republican margin
- R+32.2 in 1876MIT Election Lab
- Most similar
- State House District 60, LA · twin score 90.6
presidential history
Party record book
Louisiana 18th 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
97.5%
937 votes · D+95.0 · modeled estimate
Runner-up · William J. Bryan, 1908 · 96.0%
Republican
Rutherford B. Hayes1876
66.1%
3,010 votes · R+32.2 · modeled estimate
Runner-up · Donald Trump, 2024 · 63.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Bill Clinton1996
11,736votes
59.0% of the vote · D+26.5 · modeled estimate
Runner-up · Walter Mondale, 1984 · 11,145 votes
Republican
Donald Trump2020
14,861votes
60.0% of the vote · R+21.5 · modeled estimate
Runner-up · Donald Trump, 2024 · 14,477 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
+114.7pts D vs U.S.
Place D+95.0 · U.S. R+19.7 · modeled estimate
Runner-up · William J. Bryan, 1908 · +101.6 pts
Republican
Barry Goldwater1964
+30.1pts R vs U.S.
Place R+7.5 · U.S. D+22.6 · modeled estimate
Runner-up · Donald Trump, 2020 · +26.0 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 | 36.4%6,098 | 63.6%10,675 | 16,773 |
In 2024 it voted Republican by R+27.1, against R+9.9 in 2008. The district had about 62,800 residents, 54.4% White alone in the 2024 ACS 5-year.
Across the recorded series it reached a Democratic high of 95.0 points in 1904 and a Republican high of 32.2 points in 1876. Between 2020 and 2024 the district moved 5.6 points toward the Republican candidate; the 2024 margin was 27.1 points.
A population of 46,494, a 62% non-Hispanic-white share, and a median household income of $71,458 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 60 and State House District 50.
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 18th State House District. Akashic. https://akashic.app/sld-lower/22018/. Accessed May 20, 2026. License: CC BY 4.0.