- Lead
- 611
- Total
- 7,775
- vs nation
- D+9.3
Rhode Island 21st State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 857
- Total
- 7,401
- vs nation
- D+7.1
- Lead
- 60
- Total
- 6,570
- vs nation
- R+1.2
- Lead
- 1,227
- Total
- 6,301
- vs nation
- D+15.6
- Lead
- 1,272
- Total
- 6,700
- vs nation
- D+11.7
- Lead
- 860
- Total
- 6,254
- vs nation
- D+16.2
- Lead
- 1,532
- Total
- 5,876
- vs nation
- D+25.6
- Lead
- 1,776
- Total
- 5,781
- vs nation
- D+22.2
Key facts
- 2024 presidential margin
- D+7.9MIT Election Lab
- Population
- 14,0772024 5-year
- Population density
- 2,707 / sq mi2024 5-year · TIGER/Line
- Land area
- 5.2 sq miTIGER/Line
- Median household income
- $77,6792024 5-year
- White (non-Hispanic)
- 83.7%2024 5-year
- Black
- 2.2%2024 5-year
- Hispanic / Latino
- 6.9%2024 5-year
- Peak Democratic margin
- D+58.2 in 1964MIT Election Lab
- Peak Republican margin
- R+63.7 in 1896MIT Election Lab
- Most similar
- State House District 20, RI · twin score 98.7
presidential history
Party record book
Rhode Island 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
Lyndon B. Johnson1964
79.1%
3,612 votes · D+58.2 · modeled estimate
Runner-up · Hubert Humphrey, 1968 · 59.9%
Republican
William McKinley1896
79.9%
222 votes · R+63.7 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 69.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
4,104votes
52.8% of the vote · D+7.9 · modeled estimate
Runner-up · Joe Biden, 2020 · 4,054 votes
Republican
Donald Trump2024
3,493votes
44.9% of the vote · D+7.9 · modeled estimate
Runner-up · Donald Trump, 2020 · 3,197 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
Lyndon B. Johnson1964
+35.6pts D vs U.S.
Place D+58.2 · U.S. D+22.6 · modeled estimate
Runner-up · Al Gore, 2000 · +25.6 pts
Republican
William McKinley1896
+57.6pts R vs U.S.
Place R+63.7 · U.S. R+6.1 · modeled estimate
Runner-up · William McKinley, 1900 · +31.3 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 |
|---|---|---|---|---|
| 2024 | D | 56.6%4,148 | 43.4%3,176 | 7,324 |
Rhode Island 21st State House District sits in New England. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 58.2 points in 1964 and a Republican high of 63.7 points in 1896. Between 2020 and 2024 the district moved 3.7 points toward the Republican candidate; the 2024 margin was 7.9 points.
A population of 14,077, a 84% non-Hispanic-white share, and a median household income of $77,679 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 20 and State House District 25.
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 →
Rhode Island 21st State House District. Akashic. https://akashic.app/sld-lower/44021/. Accessed May 20, 2026. License: CC BY 4.0.