- Lead
- 7,909
- Total
- 20,720
- vs nation
- D+39.6
Delaware 11th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 9,653
- Total
- 22,014
- vs nation
- D+39.4
- Lead
- 7,524
- Total
- 20,490
- vs nation
- D+34.6
- Lead
- 8,209
- Total
- 19,827
- vs nation
- D+37.5
- Lead
- 9,609
- Total
- 20,263
- vs nation
- D+40.1
- Lead
- 5,615
- Total
- 18,770
- vs nation
- D+32.4
- Lead
- 5,087
- Total
- 16,550
- vs nation
- D+30.2
- Lead
- 3,936
- Total
- 13,967
- vs nation
- D+19.7
Key facts
- 2024 presidential margin
- D+38.2MIT Election Lab
- Population
- 48,3482024 5-year
- Population density
- 2,370 / sq mi2024 5-year · TIGER/Line
- Land area
- 20.4 sq miTIGER/Line
- Median household income
- $95,1332024 5-year
- White (non-Hispanic)
- 43.0%2024 5-year
- Black
- 28.1%2024 5-year
- Hispanic / Latino
- 13.2%2024 5-year
- Peak Democratic margin
- D+47.4 in 2008MIT Election Lab
- Peak Republican margin
- R+28.0 in 1928MIT Election Lab
- Most similar
- State Senate District 13, DE · twin score 94.3
presidential history
Party record book
Delaware 11th 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
73.1%
14,803 votes · D+47.4 · modeled estimate
Runner-up · Joe Biden, 2020 · 71.1%
Republican
Herbert Hoover1928
63.7%
3,317 votes · R+28.0 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 57.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
15,652votes
71.1% of the vote · D+43.8 · modeled estimate
Runner-up · Barack Obama, 2008 · 14,803 votes
Republican
Ronald Reagan1984
7,142votes
52.9% of the vote · R+6.1 · modeled estimate
Runner-up · Richard Nixon, 1972 · 7,029 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
+40.1pts D vs U.S.
Place D+47.4 · U.S. D+7.3 · modeled estimate
Runner-up · Kamala Harris, 2024 · +39.6 pts
Republican
Herbert Hoover1932
+18.7pts R vs U.S.
Place R+0.9 · U.S. D+17.8 · modeled estimate
Runner-up · Herbert Hoover, 1928 · +10.6 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.
Delaware 11th State Senate District sits in the Mid-Atlantic. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 47.4 points in 2008 and a Republican high of 28.0 points in 1928. Between 2020 and 2024 the district moved 5.7 points toward the Republican candidate; the 2024 margin was 38.2 points.
A population of 48,348, a 43% non-Hispanic-white share, and a median household income of $95,133 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 9.
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 11th State Senate District. Akashic. https://akashic.app/sld-upper/10011/. Accessed May 20, 2026. License: CC BY 4.0.