Delaware 20th 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
Grover Cleveland1884
55.5%
850 votes · D+11.2 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 51.9%
Republican
Dwight D. Eisenhower1952
93.0%
3,999 votes · R+86.7 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 70.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
14,941votes
41.9% of the vote · R+15.1 · modeled estimate
Runner-up · Joe Biden, 2020 · 12,547 votes
Republican
Donald Trump2024
20,316votes
57.0% of the vote · R+15.1 · modeled estimate
Runner-up · Donald Trump, 2020 · 17,642 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
James M. Cox1920
+12.4pts D vs U.S.
Place R+13.8 · U.S. R+26.2 · modeled estimate
Runner-up · John W. Davis, 1924 · +10.4 pts
Republican
Dwight D. Eisenhower1952
+76.0pts R vs U.S.
Place R+86.7 · U.S. R+10.8 · modeled estimate
Runner-up · Donald Trump, 2016 · +30.1 pts
current representation
Current officeholders
RGerald HockerState Senate · 20
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
R
45.5%12,596
54.5%15,094
27,690
2020
R
42.4%9,408
55.7%12,340
22,169
2018
R
49.7%8,458
50.3%8,567
17,025
With roughly 49,000 residents, this district sits in Delaware's competitive middle tier — Democratic-leaning at the presidential level but close enough that local candidate strength and turnout patterns can meaningfully shift outcomes.
Across the recorded series it reached a Democratic high of 11.2 points in 1884 and a Republican high of 86.7 points in 1952. Between 2020 and 2024 the district moved 1.7 points toward the Democratic candidate; the 2024 margin was 15.1 points.
A population of 49,084, a 80% non-Hispanic-white share, and a median household income of $88,561 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 19 and State Senate District 46.
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 20th State Senate District. Akashic. https://akashic.app/sld-upper/10020/. Accessed May 20, 2026. License: CC BY 4.0.
How did Delaware 20th State Senate District vote in 2024?
In 2024, Delaware 20th State Senate District voted Republican by 15.1 points (R+15.1), carried by the Republican candidate. Out of 35,669 votes cast, 14,941 went Democratic and 20,316 went Republican.
When did Delaware 20th State Senate District last vote Democratic?
The most recent presidential election in which Delaware 20th State Senate District voted Democratic was 1964.
How many people live in Delaware 20th State Senate District?
Delaware 20th State Senate District has a population of 49,084 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Delaware 20th State Senate District?
Median household income in Delaware 20th State Senate District is $88,561 — above the national median of $80,734. The Delaware state median is $84,954.
What is the political history of Delaware 20th State Senate District?
Akashic tracks 38 presidential elections in Delaware 20th State Senate District from 1876 to 2024. Of those, 6 went Democratic and 32 went Republican.