- Lead
- 9,219
- Total
- 14,633
- vs nation
- D+64.5
Delaware 3rd State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 11,081
- Total
- 16,408
- vs nation
- D+63.1
- Lead
- 10,395
- Total
- 15,881
- vs nation
- D+63.4
- Lead
- 10,824
- Total
- 15,690
- vs nation
- D+65.1
- Lead
- 11,921
- Total
- 16,398
- vs nation
- D+65.4
- Lead
- 8,885
- Total
- 14,300
- vs nation
- D+64.6
- Lead
- 7,780
- Total
- 12,786
- vs nation
- D+60.3
- Lead
- 6,045
- Total
- 10,543
- vs nation
- D+48.8
Key facts
- 2024 presidential margin
- D+63.0MIT Election Lab
- Population
- 44,5172024 5-year
- Population density
- 5,858 / sq mi2024 5-year · TIGER/Line
- Land area
- 7.6 sq miTIGER/Line
- Median household income
- $57,1812024 5-year
- White (non-Hispanic)
- 25.5%2024 5-year
- Black
- 46.2%2024 5-year
- Hispanic / Latino
- 23.6%2024 5-year
- Peak Democratic margin
- D+72.7 in 2008MIT Election Lab
- Most similar
- State Senate District 2, DE · twin score 98.4
presidential history
Party record book
Delaware 3rd 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
Barack Obama2008
86.0%
14,104 votes · D+72.7 · modeled estimate
Runner-up · Barack Obama, 2012 · 84.1%
Republican
Herbert Hoover1928
44.6%
1,431 votes · D+10.7 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 37.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Barack Obama2008
14,104votes
86.0% of the vote · D+72.7 · modeled estimate
Runner-up · Joe Biden, 2020 · 13,656 votes
Republican
Ronald Reagan1984
2,901votes
32.4% of the vote · D+34.9 · modeled estimate
Runner-up · Richard Nixon, 1972 · 2,868 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
Barack Obama2008
+65.4pts D vs U.S.
Place D+72.7 · U.S. D+7.3 · modeled estimate
Runner-up · Barack Obama, 2012 · +65.1 pts
Republican
Herbert Hoover1932
−18.5pts R vs U.S.
Place D+36.3 · U.S. D+17.8 · modeled estimate
Runner-up · Herbert Hoover, 1928 · −28.2 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 |
|---|---|---|---|---|
| 2018 | D | 72.8%11,565 | 27.2%4,330 | 15,895 |
Anchored in urban Wilmington, this district recorded a 63.0-point Democratic presidential margin in 2024, making it one of Delaware's most consistently one-sided constituencies in statewide and legislative contests.
Across the recorded series it reached a Democratic high of 72.7 points in 2008. Between 2020 and 2024 the district moved 4.5 points toward the Republican candidate; the 2024 margin was 63.0 points.
A population of 44,517, a 26% non-Hispanic-white share, and a median household income of $57,181 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 2 and State Senate District 13.
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 →
Delaware 3rd State Senate District. Akashic. https://akashic.app/sld-upper/10003/. Accessed May 20, 2026. License: CC BY 4.0.