- Lead
- 4,669
- Total
- 12,789
- vs nation
- R+35.0
Delaware 30th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 3,891
- Total
- 12,312
- vs nation
- R+36.1
- Lead
- 4,113
- Total
- 10,648
- vs nation
- R+40.7
- Lead
- 3,019
- Total
- 9,442
- vs nation
- R+35.8
- Lead
- 2,501
- Total
- 8,995
- vs nation
- R+35.1
- Lead
- 3,911
- Total
- 8,248
- vs nation
- R+45.0
- Lead
- 2,579
- Total
- 6,808
- vs nation
- R+38.4
- Lead
- 1,399
- Total
- 5,331
- vs nation
- R+34.8
Key facts
- 2024 presidential margin
- R+36.5MIT Election Lab
- Population
- 24,7852024 5-year
- Population density
- 119 / sq mi2024 5-year · TIGER/Line
- Land area
- 208 sq miTIGER/Line
- Median household income
- $76,6092024 5-year
- White (non-Hispanic)
- 74.7%2024 5-year
- Black
- 12.7%2024 5-year
- Hispanic / Latino
- 5.0%2024 5-year
- Peak Republican margin
- R+60.5 in 1984MIT Election Lab
- Most similar
- Delegate District 96, WV · twin score 95.3
presidential history
Party record book
Delaware 30th State House 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
42.4%
301 votes · R+15.2 · modeled estimate
Runner-up · Samuel J. Tilden, 1876 · 41.8%
Republican
Ronald Reagan1984
80.2%
4,133 votes · R+60.5 · modeled estimate
Runner-up · Richard Nixon, 1972 · 78.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
4,113votes
33.4% of the vote · R+31.6 · modeled estimate
Runner-up · Kamala Harris, 2024 · 3,958 votes
Republican
Donald Trump2024
8,627votes
67.5% of the vote · R+36.5 · modeled estimate
Runner-up · Donald Trump, 2020 · 8,004 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
−8.7pts D vs U.S.
Place R+34.9 · U.S. R+26.2 · modeled estimate
Runner-up · John W. Davis, 1924 · −14.4 pts
Republican
George H. W. Bush1988
+46.5pts R vs U.S.
Place R+54.2 · U.S. R+7.7 · modeled estimate
Runner-up · William H. Taft, 1912 · +46.2 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.
With a 2024 presidential margin of R+36.5, this Sussex County district stands out sharply against Delaware's statewide Democratic lean, reflecting the rural and exurban character of the state's southernmost region.
Across the recorded series it reached a Republican high of 60.5 points in 1984. Between 2020 and 2024 the district moved 4.9 points toward the Republican candidate; the 2024 margin was 36.5 points.
A population of 24,785, a 75% non-Hispanic-white share, and a median household income of $76,609 describe the district. The district's voting pattern over the last decade is most similar to that of Delegate District 96 and Delegate District 92.
The state-house 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 30th State House District. Akashic. https://akashic.app/sld-lower/10030/. Accessed May 20, 2026. License: CC BY 4.0.