- Lead
- 5,751
- Total
- 59,074
- vs nation
- D+11.2
Connecticut 8th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 6,329
- Total
- 60,064
- vs nation
- D+6.1
- Lead
- 151
- Total
- 53,404
- vs nation
- R+1.8
- Lead
- 3,040
- Total
- 50,652
- vs nation
- D+2.1
- Lead
- 6,872
- Total
- 53,431
- vs nation
- D+5.6
- Lead
- 489
- Total
- 51,776
- vs nation
- D+3.4
- Lead
- 4,223
- Total
- 47,893
- vs nation
- D+8.3
- Lead
- 5,064
- Total
- 46,308
- vs nation
- D+2.4
Key facts
- 2024 presidential margin
- D+9.7MIT Election Lab
- Population
- 98,5382024 5-year
- Population density
- 325 / sq mi2024 5-year · TIGER/Line
- Land area
- 304 sq miTIGER/Line
- Median household income
- $114,0232024 5-year
- White (non-Hispanic)
- 81.6%2024 5-year
- Black
- 2.0%2024 5-year
- Hispanic / Latino
- 7.3%2024 5-year
- Peak Democratic margin
- D+33.4 in 1964MIT Election Lab
- Peak Republican margin
- R+46.3 in 1896MIT Election Lab
- Most similar
- State Senate District 12, CT · twin score 90.6
presidential history
Party record book
Connecticut 8th 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
66.6%
25,410 votes · D+33.4 · modeled estimate
Runner-up · Barack Obama, 2008 · 55.6%
Republican
William McKinley1896
69.5%
4,080 votes · R+46.3 · modeled estimate
Runner-up · William H. Taft, 1908 · 66.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
32,611votes
54.3% of the vote · D+10.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · 31,884 votes
Republican
Ronald Reagan1984
30,530votes
63.2% of the vote · R+27.0 · modeled estimate
Runner-up · Richard Nixon, 1972 · 27,217 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
Kamala Harris2024
+11.2pts D vs U.S.
Place D+9.7 · U.S. R+1.5 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · +10.8 pts
Republican
William McKinley1896
+40.2pts R vs U.S.
Place R+46.3 · U.S. R+6.1 · modeled estimate
Runner-up · Herbert Hoover, 1932 · +32.3 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 |
|---|---|---|---|---|
| 2020 | D | 55.8%27,344 | 44.2%21,699 | 49,043 |
| 2018 | D | 56.3%21,635 | 43.7%16,792 | 38,427 |
With a 2024 presidential margin of just 1.6 points, this mid-size district swings on a narrow slice of persuadable voters, making it a reliable bellwether for statewide competitive trends.
Across the recorded series it reached a Democratic high of 33.4 points in 1964 and a Republican high of 46.3 points in 1896. Between 2020 and 2024 the district moved 0.8 points toward the Republican candidate; the 2024 margin was 9.7 points.
A population of 98,538, a 82% non-Hispanic-white share, and a median household income of $114,023 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 12 and State Senate District 33.
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 8th State Senate District. Akashic. https://akashic.app/sld-upper/09008/. Accessed May 20, 2026. License: CC BY 4.0.