- Lead
- 2,999
- Total
- 8,337
- vs nation
- D+37.4
Rhode Island 66th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 3,125
- Total
- 8,961
- vs nation
- D+30.4
- Lead
- 1,996
- Total
- 8,073
- vs nation
- D+22.6
- Lead
- 2,400
- Total
- 7,746
- vs nation
- D+27.1
- Lead
- 2,685
- Total
- 8,173
- vs nation
- D+25.6
- Lead
- 1,931
- Total
- 7,666
- vs nation
- D+27.6
- Lead
- 2,201
- Total
- 7,286
- vs nation
- D+29.7
- Lead
- 2,274
- Total
- 6,864
- vs nation
- D+24.6
Key facts
- 2024 presidential margin
- D+36.0MIT Election Lab
- Population
- 14,6112024 5-year
- Population density
- 2,149 / sq mi2024 5-year · TIGER/Line
- Land area
- 6.8 sq miTIGER/Line
- Median household income
- $125,8712024 5-year
- White (non-Hispanic)
- 86.5%2024 5-year
- Black
- 1.2%2024 5-year
- Hispanic / Latino
- 3.4%2024 5-year
- Peak Democratic margin
- D+60.1 in 1964MIT Election Lab
- Peak Republican margin
- R+40.4 in 1896MIT Election Lab
- Most similar
- State House District 67, RI · twin score 98.6
presidential history
Party record book
Rhode Island 66th 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
80.0%
5,469 votes · D+60.1 · modeled estimate
Runner-up · Joe Biden, 2020 · 66.4%
Republican
William McKinley1896
66.4%
575 votes · R+40.4 · modeled estimate
Runner-up · James A. Garfield, 1880 · 64.9%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
5,954votes
66.4% of the vote · D+34.9 · modeled estimate
Runner-up · Kamala Harris, 2024 · 5,525 votes
Republican
Richard Nixon1972
3,781votes
51.4% of the vote · R+3.0 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 3,764 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
+37.5pts D vs U.S.
Place D+60.1 · U.S. D+22.6 · modeled estimate
Runner-up · Kamala Harris, 2024 · +37.4 pts
Republican
William McKinley1896
+34.3pts R vs U.S.
Place R+40.4 · U.S. R+6.1 · modeled estimate
Runner-up · William H. Taft, 1912 · +17.9 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 | 65.6%4,373 | 34.4%2,291 | 6,664 |
With a 2024 presidential margin of D+36.0, this Providence-area district ranks among the state's most reliably blue constituencies, reflecting the dense urban demography typical of Rhode Island's core legislative districts.
Across the recorded series it reached a Democratic high of 60.1 points in 1964 and a Republican high of 40.4 points in 1896. Between 2020 and 2024 the district moved 1.1 points toward the Democratic candidate; the 2024 margin was 36.0 points.
A population of 14,611, a 87% non-Hispanic-white share, and a median household income of $125,871 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 67 and 3rd Middlesex District.
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 66th State House District. Akashic. https://akashic.app/sld-lower/44066/. Accessed May 20, 2026. License: CC BY 4.0.