Louisiana 21st State House District, Louisiana: Old Confederacy district. In 2024, voted R+19%. Democratic peak: D+95 in 1916.
Key facts
- 2024 presidential margin
- R+19MIT Election Lab
- Political archetype
- Old ConfederacyAkashic typology
- Population
- 33,9742024 5-year
- Median household income
- $39,0482024 5-year
- White (non-Hispanic)
- 48.8%2024 5-year
- Black
- 45.5%2024 5-year
- Hispanic / Latino
- 2.4%2024 5-year
- Peak Democratic margin
- D+95 in 1916MIT Election Lab
- Peak Republican margin
- R+21 in 1972MIT Election Lab
Constituent county margins for State House District 21, LAOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
R+60D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 5,794 | 8,631 | 14,599 | ||
| R | 7,270 | 9,536 | 17,023 | ||
| R | 7,346 | 9,367 | 16,946 | ||
| R | 8,784 | 9,592 | 18,540 | ||
| R | 8,676 | 9,928 | 18,792 | ||
| R | 7,687 | 9,841 | 17,758 | ||
| R | 7,909 | 8,667 | 17,129 | ||
| D | 9,899 | 6,137 | 17,797 | ||
| D | 9,067 | 6,528 | 18,513 | ||
| R | 7,763 | 9,655 | 17,968 | ||
| R | 8,026 | 11,842 | 20,253 | ||
| R | 9,586 | 9,826 | 19,879 | ||
| D | 10,198 | 8,080 | 18,649 | ||
| R | 5,922 | 9,294 | 16,009 | ||
| O | 5,289 | 2,342 | 16,523 | ||
| D | 8,437 | 1,509 | 9,946 | ||
| O | 1,574 | 2,348 | 7,052 | ||
| R | 1,755 | 1,903 | 5,346 | ||
| D | 3,347 | 3,105 | 6,452 | ||
| O | 1,161 | 325 | 4,569 | ||
| D | 2,988 | 839 | 3,826 | ||
| D | 3,792 | 516 | 4,309 | ||
| D | 3,462 | 213 | 3,677 | ||
| D | 2,888 | 104 | 2,993 | ||
| D | 1,590 | 479 | 2,070 | ||
| D | 1,061 | 148 | 1,209 | ||
| D | 1,093 | 79 | 1,172 | ||
| D | 832 | 21 | 858 | ||
| D | 681 | 12 | 771 | ||
| D | 919 | 31 | 977 | ||
| D | 719 | 26 | 755 | ||
| D | 863 | 52 | 915 | ||
| D | 3,026 | 488 | 3,550 | ||
| D | 8,309 | 336 | 8,645 | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — |
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
English
6.6%
American
6.4%
Irish
6.1%
German
3.0%
French
3.0%
Italian
1.5%
Scottish
0.6%
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 39.1 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$39,048
State House District 21 ranks near the middle of US counties.
State House District 21$39,048
Louisiana$60,756
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
32.0%
Nearly half of children live in poverty.
Children under 1846.2%
Working age (18–64)27.7%
Seniors (65+)25.0%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
97.0%
speak English only
Spanish2.1%
Other Indo-European0.8%
Asian & Pacific Islander0.1%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 52.8% of residents not counted as adherents by any reporting body.
With a 2024 presidential margin of R+72.5, this north Louisiana district ranks among the most heavily one-sided state house seats in the country, reflecting a rural demographic that has shifted decisively away from competitive elections over the past two decades.
The shift began with civil rights. 2000 marked the realignment in Louisiana 21st State House District, by a four points margin. The Republican margin reached its widest at twenty-one points in 1972. The 2024 margin was nineteen points.
The political shift has tracked, in Louisiana 21st State House District, the political shift of the South more broadly. A 49% non-Hispanic-white share, a median household income of $39,048, and a 32% poverty rate describe the demographic context.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
State House District 21, Louisiana. Akashic. https://akashic.app/sld-lower/22021/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did State House District 21, Louisiana vote in 2024?
In 2024, State House District 21, Louisiana voted Republican by 19.4 points (R+19), carried by the Republican candidate. Out of 14,599 votes cast, 5,794 went Democratic and 8,631 went Republican.
What is State House District 21, Louisiana's political archetype?
Akashic classifies State House District 21, Louisiana as a "Old Confederacy" district based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the district has voted Democratic 19 times, Republican 12 times, and other 3 times.
When did State House District 21, Louisiana last vote Democratic?
The most recent presidential election in which State House District 21, Louisiana voted Democratic was 1996.
How many people live in State House District 21, Louisiana?
State House District 21, Louisiana has a population of 33,974 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in State House District 21, Louisiana?
Median household income in State House District 21, Louisiana is $39,048 — below the national median of $80,734. The Louisiana state median is $60,756.
What is the political history of State House District 21, Louisiana?
Akashic tracks 38 presidential elections in State House District 21, Louisiana from 1876 to 2024. Of those, 19 went Democratic and 12 went Republican. The district's archetype — "Old Confederacy" — captures the overall trajectory of that voting record.