- Lead
- 291
- Total
- 23,309
- vs nation
- D+0.2
Delaware 16th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 362
- Total
- 22,976
- vs nation
- R+2.9
- Lead
- 1,864
- Total
- 19,405
- vs nation
- R+11.7
- Lead
- 26
- Total
- 17,813
- vs nation
- R+3.7
- Lead
- 828
- Total
- 17,307
- vs nation
- R+2.5
- Lead
- 2,712
- Total
- 14,624
- vs nation
- R+16.1
- Lead
- 943
- Total
- 12,502
- vs nation
- R+8.1
- Lead
- 146
- Total
- 10,212
- vs nation
- R+7.1
Key facts
- 2024 presidential margin
- R+1.2MIT Election Lab
- Population
- 47,7342024 5-year
- Population density
- 340 / sq mi2024 5-year · TIGER/Line
- Land area
- 140 sq miTIGER/Line
- Median household income
- $85,1262024 5-year
- White (non-Hispanic)
- 59.7%2024 5-year
- Black
- 20.9%2024 5-year
- Hispanic / Latino
- 9.0%2024 5-year
- Peak Democratic margin
- D+24.2 in 1884MIT Election Lab
- Peak Republican margin
- R+33.3 in 1984MIT Election Lab
- Most similar
- State Senate District 18, DE · twin score 68.2
presidential history
Party record book
Delaware 16th 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
62.1%
987 votes · D+24.2 · modeled estimate
Runner-up · Samuel J. Tilden, 1876 · 60.0%
Republican
Ronald Reagan1984
66.5%
5,850 votes · R+33.3 · modeled estimate
Runner-up · Richard Nixon, 1972 · 64.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
11,475votes
49.9% of the vote · D+1.6 · modeled estimate
Runner-up · Kamala Harris, 2024 · 11,303 votes
Republican
Donald Trump2024
11,594votes
49.7% of the vote · R+1.2 · modeled estimate
Runner-up · Donald Trump, 2020 · 11,113 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
+26.5pts D vs U.S.
Place D+0.3 · U.S. R+26.2 · modeled estimate
Runner-up · John W. Davis, 1924 · +21.0 pts
Republican
George H. W. Bush1988
+17.8pts R vs U.S.
Place R+25.6 · U.S. R+7.7 · modeled estimate
Runner-up · George W. Bush, 2004 · +16.1 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 16th State Senate District sits in the Mid-Atlantic. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 24.2 points in 1884 and a Republican high of 33.3 points in 1984. Between 2020 and 2024 the district moved 2.8 points toward the Republican candidate; the 2024 margin was 1.2 points.
A population of 47,734, a 60% non-Hispanic-white share, and a median household income of $85,126 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 18 and State Senate District 15.
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 16th State Senate District. Akashic. https://akashic.app/sld-upper/10016/. Accessed May 20, 2026. License: CC BY 4.0.