- Lead
- 5,586
- Total
- 29,572
- vs nation
- R+17.4
Alabama 21st State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 6,921
- Total
- 27,540
- vs nation
- R+29.6
- Lead
- 7,657
- Total
- 22,738
- vs nation
- R+35.8
- Lead
- 7,922
- Total
- 22,236
- vs nation
- R+39.5
- Lead
- 7,140
- Total
- 21,713
- vs nation
- R+40.2
- Lead
- 6,771
- Total
- 18,738
- vs nation
- R+33.7
- Lead
- 4,718
- Total
- 16,034
- vs nation
- R+29.9
- Lead
- 3,538
- Total
- 14,133
- vs nation
- R+33.6
Key facts
- 2024 presidential margin
- R+18.9MIT Election Lab
- Population
- 50,2162024 5-year
- Population density
- 551 / sq mi2024 5-year · TIGER/Line
- Land area
- 91.1 sq miTIGER/Line
- Median household income
- $102,0672024 5-year
- White (non-Hispanic)
- 76.1%2024 5-year
- Black
- 11.8%2024 5-year
- Hispanic / Latino
- 4.1%2024 5-year
- Peak Democratic margin
- D+78.8 in 1936MIT Election Lab
- Peak Republican margin
- R+62.5 in 1972MIT Election Lab
- Most similar
- State House District 48, AL · twin score 96.8
presidential history
Party record book
Alabama 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
Franklin D. Roosevelt1936
89.1%
610 votes · D+78.8 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1944 · 89.0%
Republican
Richard Nixon1972
80.5%
6,418 votes · R+62.5 · modeled estimate
Runner-up · George H. W. Bush, 1988 · 74.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
11,685votes
39.5% of the vote · R+18.9 · modeled estimate
Runner-up · Joe Biden, 2020 · 9,995 votes
Republican
Donald Trump2024
17,271votes
58.4% of the vote · R+18.9 · modeled estimate
Runner-up · Donald Trump, 2020 · 16,916 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
+94.8pts D vs U.S.
Place D+75.1 · U.S. R+19.7 · modeled estimate
Runner-up · James M. Cox, 1920 · +87.2 pts
Republican
Barry Goldwater1964
+47.2pts R vs U.S.
Place R+24.6 · U.S. D+22.6 · modeled estimate
Runner-up · George H. W. Bush, 1988 · +42.3 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 | 47.0%8,221 | 53.0%9,263 | 17,484 |
Alabama 21st State House District sits in the Black Belt and Gulf South. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 78.8 points in 1936 and a Republican high of 62.5 points in 1972. Between 2020 and 2024 the district moved 6.2 points toward the Democratic candidate; the 2024 margin was 18.9 points.
A population of 50,216, a 76% non-Hispanic-white share, and a median household income of $102,067 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 6.
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 →
Alabama 21st State House District. Akashic. https://akashic.app/sld-lower/01021/. Accessed May 20, 2026. License: CC BY 4.0.