- Lead
- 5,647
- Total
- 27,772
- vs nation
- D+21.8
Delaware 10th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 5,902
- Total
- 26,426
- vs nation
- D+17.9
- Lead
- 2,646
- Total
- 21,753
- vs nation
- D+10.1
- Lead
- 3,395
- Total
- 20,759
- vs nation
- D+12.5
- Lead
- 4,918
- Total
- 20,852
- vs nation
- D+16.3
- Lead
- 679
- Total
- 20,384
- vs nation
- D+5.8
- Lead
- 843
- Total
- 17,843
- vs nation
- D+4.2
- Lead
- 643
- Total
- 15,074
- vs nation
- R+4.3
Key facts
- 2024 presidential margin
- D+20.3MIT Election Lab
- Population
- 47,2232024 5-year
- Population density
- 790 / sq mi2024 5-year · TIGER/Line
- Land area
- 59.8 sq miTIGER/Line
- Median household income
- $132,3242024 5-year
- White (non-Hispanic)
- 57.8%2024 5-year
- Black
- 22.6%2024 5-year
- Hispanic / Latino
- 6.8%2024 5-year
- Peak Democratic margin
- D+23.6 in 2008MIT Election Lab
- Peak Republican margin
- R+51.2 in 1928MIT Election Lab
- Most similar
- State Senate District 12, DE · twin score 93.3
presidential history
Party record book
Delaware 10th 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
61.1%
12,748 votes · D+23.6 · modeled estimate
Runner-up · Joe Biden, 2020 · 60.4%
Republican
Herbert Hoover1928
75.3%
4,991 votes · R+51.2 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 69.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
16,497votes
59.4% of the vote · D+20.3 · modeled estimate
Runner-up · Joe Biden, 2020 · 15,967 votes
Republican
Donald Trump2024
10,850votes
39.1% of the vote · D+20.3 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 10,762 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
+21.8pts D vs U.S.
Place D+20.3 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +17.9 pts
Republican
Herbert Hoover1932
+45.4pts R vs U.S.
Place R+27.6 · U.S. D+17.8 · modeled estimate
Runner-up · Herbert Hoover, 1928 · +33.7 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 10th State Senate District sits in the Mid-Atlantic. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 23.6 points in 2008 and a Republican high of 51.2 points in 1928. Between 2020 and 2024 the district moved 2.0 points toward the Republican candidate; the 2024 margin was 20.3 points.
A population of 47,223, a 58% non-Hispanic-white share, and a median household income of $132,324 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 5.
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 10th State Senate District. Akashic. https://akashic.app/sld-upper/10010/. Accessed May 20, 2026. License: CC BY 4.0.