Delaware 1st 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
74.6%
18,197 votes · D+50.4 · modeled estimate
Runner-up · Joe Biden, 2020 · 73.5%
Republican
Herbert Hoover1928
61.9%
3,758 votes · R+24.2 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 54.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
19,484votes
73.5% of the vote · D+48.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · 18,455 votes
Republican
Ronald Reagan1984
8,095votes
50.9% of the vote · R+2.0 · modeled estimate
Runner-up · Richard Nixon, 1972 · 7,960 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
+48.1pts D vs U.S.
Place D+46.7 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +44.1 pts
Republican
Herbert Hoover1932
+15.2pts R vs U.S.
Place D+2.6 · U.S. D+17.8 · modeled estimate
Runner-up · Herbert Hoover, 1928 · +6.8 pts
current representation
Current officeholders
DDan CruceState Senate · 1
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 3 House
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.
Source · Akashic county-allocated estimate from certified county returns, House; not precinct-counted.
Year
Vote lead
Democratic
Republican
Total
2024
D
66.5%13,748
33.5%6,941
20,689
2020
D
66.1%13,734
31.7%6,588
20,773
2018
D
72.8%11,614
27.2%4,348
15,962
Anchoring the top of New Castle County, this district has trended toward single-digit presidential margins, making it one of Delaware's more closely contested state senate seats despite the state's overall Democratic lean.
Across the recorded series it reached a Democratic high of 50.4 points in 2008 and a Republican high of 24.2 points in 1928. Between 2020 and 2024 the district moved 1.9 points toward the Republican candidate; the 2024 margin was 46.7 points.
A population of 44,708, a 65% non-Hispanic-white share, and a median household income of $85,454 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 5 and State Senate District 31.
Akashic
Political twins — state-senate districts
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.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons → · Or open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Delaware 1st State Senate District. Akashic. https://akashic.app/sld-upper/10001/. Accessed May 20, 2026. License: CC BY 4.0.
How did Delaware 1st State Senate District vote in 2024?
In 2024, Delaware 1st State Senate District voted Democratic by 46.7 points (D+46.7), carried by the Democratic candidate. Out of 25,440 votes cast, 18,455 went Democratic and 6,581 went Republican.
When did Delaware 1st State Senate District last vote Republican?
The most recent presidential election in which Delaware 1st State Senate District voted Republican was 1984.
How many people live in Delaware 1st State Senate District?
Delaware 1st State Senate District has a population of 44,708 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Delaware 1st State Senate District?
Median household income in Delaware 1st State Senate District is $85,454 — above the national median of $80,734. The Delaware state median is $84,954.
What is the political history of Delaware 1st State Senate District?
Akashic tracks 38 presidential elections in Delaware 1st State Senate District from 1876 to 2024. Of those, 32 went Democratic and 6 went Republican.