- Lead
- 9,835
- Total
- 20,565
- vs nation
- D+49.3
Delaware 13th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 11,373
- Total
- 22,046
- vs nation
- D+47.1
- Lead
- 9,305
- Total
- 20,260
- vs nation
- D+43.8
- Lead
- 9,943
- Total
- 19,756
- vs nation
- D+46.5
- Lead
- 11,338
- Total
- 20,346
- vs nation
- D+48.5
- Lead
- 7,394
- Total
- 18,467
- vs nation
- D+42.5
- Lead
- 6,589
- Total
- 16,251
- vs nation
- D+40.0
- Lead
- 5,117
- Total
- 13,529
- vs nation
- D+29.3
Key facts
- 2024 presidential margin
- D+47.8MIT Election Lab
- Population
- 48,1342024 5-year
- Population density
- 3,027 / sq mi2024 5-year · TIGER/Line
- Land area
- 15.9 sq miTIGER/Line
- Median household income
- $78,8642024 5-year
- White (non-Hispanic)
- 35.4%2024 5-year
- Black
- 39.9%2024 5-year
- Hispanic / Latino
- 14.1%2024 5-year
- Peak Democratic margin
- D+55.7 in 2008MIT Election Lab
- Peak Republican margin
- R+16.8 in 1928MIT Election Lab
- Most similar
- State Senate District 2, DE · twin score 97.7
presidential history
Party record book
Delaware 13th 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
77.3%
15,730 votes · D+55.7 · modeled estimate
Runner-up · Joe Biden, 2020 · 75.2%
Republican
Herbert Hoover1928
58.2%
2,798 votes · R+16.8 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 53.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
16,588votes
75.2% of the vote · D+51.6 · modeled estimate
Runner-up · Barack Obama, 2008 · 15,730 votes
Republican
Ronald Reagan1984
6,031votes
47.1% of the vote · D+5.4 · modeled estimate
Runner-up · Richard Nixon, 1972 · 5,943 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
+49.3pts D vs U.S.
Place D+47.8 · U.S. R+1.5 · modeled estimate
Runner-up · Barack Obama, 2008 · +48.5 pts
Republican
Herbert Hoover1932
+7.2pts R vs U.S.
Place D+10.6 · U.S. D+17.8 · modeled estimate
Runner-up · Herbert Hoover, 1928 · −0.6 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 13th State Senate District sits in the Mid-Atlantic. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 55.7 points in 2008 and a Republican high of 16.8 points in 1928. Between 2020 and 2024 the district moved 3.8 points toward the Republican candidate; the 2024 margin was 47.8 points.
A population of 48,134, a 35% non-Hispanic-white share, and a median household income of $78,864 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 3.
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 13th State Senate District. Akashic. https://akashic.app/sld-upper/10013/. Accessed May 20, 2026. License: CC BY 4.0.