HarrisDemocratic43.6%13,246TrumpRepublican55.3%16,811OtherAll other candidates1.1%342
R+11.7- Lead
- 3,565
- Total
- 30,399
- vs nation
- R+10.3
modeled Census-place estimatemodeled estimate
Akashicstate senate district
Delaware 19th State Senate District
Office (updates table and map)
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
President results by year
Modeled candidate-vote estimate on current district boundaries
BidenDemocratic43.0%10,836TrumpRepublican55.9%14,100OtherAll other candidates1.1%271
R+12.9- Lead
- 3,264
- Total
- 25,207
- vs nation
- R+17.4
modeled Census-place estimatemodeled estimate
ClintonDemocratic36.8%7,540TrumpRepublican59.6%12,225OtherAll other candidates3.6%731
R+22.9- Lead
- 4,685
- Total
- 20,496
- vs nation
- R+24.9
modeled Census-place estimatemodeled estimate
ObamaDemocratic42.5%7,673RomneyRepublican56.7%10,229OtherAll other candidates0.8%146
R+14.2- Lead
- 2,556
- Total
- 18,048
- vs nation
- R+18.0
modeled Census-place estimatemodeled estimate
ObamaDemocratic44.7%7,726McCainRepublican54.5%9,413OtherAll other candidates0.8%132
R+9.8- Lead
- 1,687
- Total
- 17,271
- vs nation
- R+17.0
modeled Census-place estimatemodeled estimate
KerryDemocratic38.3%5,800BushRepublican60.8%9,201OtherAll other candidates0.8%123
R+22.5- Lead
- 3,401
- Total
- 15,124
- vs nation
- R+20.0
modeled Census-place estimatemodeled estimate
GoreDemocratic43.9%5,663BushRepublican52.5%6,771OtherAll other candidates3.6%470
R+8.6- Lead
- 1,108
- Total
- 12,904
- vs nation
- R+9.1
modeled Census-place estimatemodeled estimate
ClintonDemocratic44.0%4,449DoleRepublican42.9%4,337OtherAll other candidates13.0%1,316
D+1.1- Lead
- 112
- Total
- 10,102
- vs nation
- R+7.4
modeled Census-place estimatemodeled estimate
Key facts
- 2024 presidential margin
- R+11.7MIT Election Lab
- Population
- 49,6662024 5-year
- Population density
- 316 / sq mi2024 5-year · TIGER/Line
- Land area
- 157 sq miTIGER/Line
- Median household income
- $77,8102024 5-year
- White (non-Hispanic)
- 67.6%2024 5-year
- Black
- 10.3%2024 5-year
- Hispanic / Latino
- 16.6%2024 5-year
- Peak Democratic margin
- D+18.8 in 1884MIT Election Lab
- Peak Republican margin
- R+82.1 in 1952MIT Election Lab
- Most similar
- State Senate District 20, DE · twin score 95.8
presidential history
Party record book
Delaware 19th 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
59.3%
881 votes · D+18.8 · modeled estimate
Runner-up · Samuel J. Tilden, 1876 · 55.8%
Republican
Dwight D. Eisenhower1952
90.3%
3,364 votes · R+82.1 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 67.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
13,246votes
43.6% of the vote · R+11.7 · modeled estimate
Runner-up · Joe Biden, 2020 · 10,836 votes
Republican
Donald Trump2024
16,811votes
55.3% of the vote · R+11.7 · modeled estimate
Runner-up · Donald Trump, 2020 · 14,100 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
+17.6pts D vs U.S.
Place R+8.6 · U.S. R+26.2 · modeled estimate
Runner-up · John W. Davis, 1924 · +15.7 pts
Republican
Dwight D. Eisenhower1952
+71.4pts R vs U.S.
Place R+82.1 · U.S. R+10.8 · modeled estimate
Runner-up · Donald Trump, 2016 · +24.9 pts
current representation
Current officeholders
RBrian PettyjohnState Senate · 19
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.
With roughly 50,000 residents, Delaware's 19th Senate district has leaned reliably Democratic in recent presidential cycles, posting a 16-point margin in 2024 that reflects the suburban and mid-county demographics shaping its electorate.
Across the recorded series it reached a Democratic high of 18.8 points in 1884 and a Republican high of 82.1 points in 1952. Between 2020 and 2024 the district moved 1.2 points toward the Democratic candidate; the 2024 margin was 11.7 points.
A population of 49,666, a 68% non-Hispanic-white share, and a median household income of $77,810 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 20 and State Senate District 46.
Political twins — state-senate districts
The state-senate districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
State Senate District 20
Delaware
95.8twin score
% unaffiliated2016 marginpopulation scale≠ median age
State Senate District 46
South Carolina
81.0twin score
median age2016–2020 trajectory% Asian≠ college share
State Senate District 1
Arizona
78.1twin score
median age2016 margin% Asian≠ population scale
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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Delaware 19th State Senate District. Akashic. https://akashic.app/sld-upper/10019/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Delaware at the ballot boxAll elections →
Places within Delaware 19th State Senate District
counties it covers1
Frequently asked questions
How did Delaware 19th State Senate District vote in 2024?
In 2024, Delaware 19th State Senate District voted Republican by 11.7 points (R+11.7), carried by the Republican candidate. Out of 30,399 votes cast, 13,246 went Democratic and 16,811 went Republican.
When did Delaware 19th State Senate District last vote Democratic?
The most recent presidential election in which Delaware 19th State Senate District voted Democratic was 1996.
How many people live in Delaware 19th State Senate District?
Delaware 19th State Senate District has a population of 49,666 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Delaware 19th State Senate District?
Median household income in Delaware 19th State Senate District is $77,810 — below the national median of $80,734. The Delaware state median is $84,954.
What is the political history of Delaware 19th State Senate District?
Akashic tracks 38 presidential elections in Delaware 19th State Senate District from 1876 to 2024. Of those, 11 went Democratic and 27 went Republican.