- Lead
- 5,295
- Total
- 19,134
- vs nation
- D+29.1
Delaware 8th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 6,115
- Total
- 20,297
- vs nation
- D+25.7
- Lead
- 3,707
- Total
- 19,325
- vs nation
- D+17.1
- Lead
- 4,342
- Total
- 18,353
- vs nation
- D+19.8
- Lead
- 5,656
- Total
- 18,520
- vs nation
- D+23.3
- Lead
- 1,962
- Total
- 17,784
- vs nation
- D+13.5
- Lead
- 1,926
- Total
- 15,710
- vs nation
- D+11.7
- Lead
- 1,500
- Total
- 13,573
- vs nation
- D+2.5
Key facts
- 2024 presidential margin
- D+27.7MIT Election Lab
- Population
- 45,5742024 5-year
- Population density
- 1,816 / sq mi2024 5-year · TIGER/Line
- Land area
- 25.1 sq miTIGER/Line
- Median household income
- $101,4342024 5-year
- White (non-Hispanic)
- 69.2%2024 5-year
- Black
- 11.6%2024 5-year
- Hispanic / Latino
- 6.3%2024 5-year
- Peak Democratic margin
- D+30.5 in 2008MIT Election Lab
- Peak Republican margin
- R+45.1 in 1928MIT Election Lab
- Most similar
- State Senate District 37, RI · twin score 82.4
presidential history
Party record book
Delaware 8th 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
64.4%
11,926 votes · D+30.5 · modeled estimate
Runner-up · Joe Biden, 2020 · 64.0%
Republican
Herbert Hoover1928
72.2%
3,986 votes · R+45.1 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 64.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
12,999votes
64.0% of the vote · D+30.1 · modeled estimate
Runner-up · Kamala Harris, 2024 · 12,041 votes
Republican
Ronald Reagan1984
8,577votes
62.6% of the vote · R+25.6 · modeled estimate
Runner-up · Richard Nixon, 1972 · 8,446 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
+29.1pts D vs U.S.
Place D+27.7 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +25.7 pts
Republican
Herbert Hoover1932
+37.5pts R vs U.S.
Place R+19.7 · U.S. D+17.8 · modeled estimate
Runner-up · Herbert Hoover, 1928 · +27.6 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.
Anchored in Wilmington's urban core, this district's D+27.7 presidential margin in 2024 reflects a dense, heavily Democratic electorate that has shown little volatility in recent cycles.
Across the recorded series it reached a Democratic high of 30.5 points in 2008 and a Republican high of 45.1 points in 1928. Between 2020 and 2024 the district moved 2.5 points toward the Republican candidate; the 2024 margin was 27.7 points.
A population of 45,574, a 69% non-Hispanic-white share, and a median household income of $101,434 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 37 and Chittenden Central Senatorial District.
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 8th State Senate District. Akashic. https://akashic.app/sld-upper/10008/. Accessed May 20, 2026. License: CC BY 4.0.