- Lead
- 2,950
- Total
- 9,455
- vs nation
- D+32.7
Delaware 25th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 3,369
- Total
- 9,644
- vs nation
- D+30.5
- Lead
- 2,107
- Total
- 8,983
- vs nation
- D+21.4
- Lead
- 2,411
- Total
- 8,573
- vs nation
- D+24.3
- Lead
- 2,998
- Total
- 8,678
- vs nation
- D+27.3
- Lead
- 1,296
- Total
- 8,262
- vs nation
- D+18.1
- Lead
- 1,216
- Total
- 7,295
- vs nation
- D+16.1
- Lead
- 944
- Total
- 6,268
- vs nation
- D+6.5
Key facts
- 2024 presidential margin
- D+31.2MIT Election Lab
- Population
- 25,0002024 5-year
- Population density
- 2,033 / sq mi2024 5-year · TIGER/Line
- Land area
- 12.3 sq miTIGER/Line
- Median household income
- $98,6092024 5-year
- White (non-Hispanic)
- 60.9%2024 5-year
- Black
- 18.2%2024 5-year
- Hispanic / Latino
- 7.7%2024 5-year
- Peak Democratic margin
- D+34.9 in 2020MIT Election Lab
- Peak Republican margin
- R+41.3 in 1928MIT Election Lab
- Most similar
- State Representative District 23, DE · twin score 89.9
presidential history
Party record book
Delaware 25th 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
Barack Obama2008
66.5%
5,767 votes · D+34.5 · modeled estimate
Runner-up · Joe Biden, 2020 · 66.4%
Republican
Herbert Hoover1928
70.3%
1,755 votes · R+41.3 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 63.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
6,402votes
66.4% of the vote · D+34.9 · modeled estimate
Runner-up · Kamala Harris, 2024 · 6,121 votes
Republican
Ronald Reagan1984
3,786votes
60.3% of the vote · R+21.1 · modeled estimate
Runner-up · Richard Nixon, 1972 · 3,729 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
+32.7pts D vs U.S.
Place D+31.2 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +30.5 pts
Republican
Herbert Hoover1932
+33.0pts R vs U.S.
Place R+15.2 · U.S. D+17.8 · modeled estimate
Runner-up · Herbert Hoover, 1928 · +23.8 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%6,495 | 27.2%2,432 | 8,927 |
With a 2024 presidential margin of D+31.1, this Wilmington-area district ranks among the most reliably Democratic constituencies in the state, making general-election contests largely decided in the primary.
Across the recorded series it reached a Democratic high of 34.9 points in 2020 and a Republican high of 41.3 points in 1928. Between 2020 and 2024 the district moved 3.7 points toward the Republican candidate; the 2024 margin was 31.2 points.
A population of 25,000, a 61% non-Hispanic-white share, and a median household income of $98,609 describe the district. The district's voting pattern over the last decade is most similar to that of State Representative District 23 and State Representative District 24.
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 →
Delaware 25th State House District. Akashic. https://akashic.app/sld-lower/10025/. Accessed May 20, 2026. License: CC BY 4.0.