- Lead
- 6,634
- Total
- 47,706
- vs nation
- D+15.4
Connecticut 17th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 9,029
- Total
- 50,925
- vs nation
- D+13.3
- Lead
- 4,308
- Total
- 45,908
- vs nation
- D+7.3
- Lead
- 8,460
- Total
- 43,634
- vs nation
- D+15.5
- Lead
- 9,409
- Total
- 46,227
- vs nation
- D+13.1
- Lead
- 3,378
- Total
- 44,505
- vs nation
- D+10.0
- Lead
- 7,927
- Total
- 41,227
- vs nation
- D+18.7
- Lead
- 7,665
- Total
- 39,562
- vs nation
- D+10.9
Key facts
- 2024 presidential margin
- D+13.9MIT Election Lab
- Population
- 100,4332024 5-year
- Population density
- 1,158 / sq mi2024 5-year · TIGER/Line
- Land area
- 86.7 sq miTIGER/Line
- Median household income
- $98,2762024 5-year
- White (non-Hispanic)
- 58.6%2024 5-year
- Black
- 16.3%2024 5-year
- Hispanic / Latino
- 15.7%2024 5-year
- Peak Democratic margin
- D+35.6 in 1964MIT Election Lab
- Peak Republican margin
- R+29.6 in 1924MIT Election Lab
- Most similar
- State Senate District 13, CT · twin score 94.0
presidential history
Party record book
Connecticut 17th State Senate 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
67.8%
25,725 votes · D+35.6 · modeled estimate
Runner-up · Barack Obama, 2008 · 59.5%
Republican
Dwight D. Eisenhower1956
64.4%
23,900 votes · R+28.8 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 61.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
29,629votes
58.2% of the vote · D+17.7 · modeled estimate
Runner-up · Barack Obama, 2008 · 27,491 votes
Republican
Ronald Reagan1984
26,535votes
61.2% of the vote · R+23.0 · modeled estimate
Runner-up · Richard Nixon, 1972 · 25,114 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
Al Gore2000
+18.7pts D vs U.S.
Place D+19.2 · U.S. D+0.5 · modeled estimate
Runner-up · Barack Obama, 2012 · +15.5 pts
Republican
William H. Taft1912
+16.5pts R vs U.S.
Place D+3.1 · U.S. D+19.5 · modeled estimate
Runner-up · Herbert Hoover, 1932 · +16.2 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 |
|---|---|---|---|---|
| 2020 | D | 58.3%23,565 | 41.7%16,847 | 40,412 |
| 2018 | D | 60.8%21,546 | 39.2%13,869 | 35,415 |
Its Democratic presidential margin was D+13.9 in 2024 and D+20.4 in 2008. About 123,000 residents lived here, with White alone at 62.5% in the 2024 ACS 5-year.
Across the recorded series it reached a Democratic high of 35.6 points in 1964 and a Republican high of 29.6 points in 1924. Between 2020 and 2024 the district moved 3.8 points toward the Republican candidate; the 2024 margin was 13.9 points.
A population of 100,433, a 59% non-Hispanic-white share, and a median household income of $98,276 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 13 and State Senate District 3.
The state-senate 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 →
Connecticut 17th State Senate District. Akashic. https://akashic.app/sld-upper/09017/. Accessed May 20, 2026. License: CC BY 4.0.