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congressional district

Delaware At-Large Congressional District

Office (updates table and map)

President margin by year

Place winner margin

1876–2024 · D minus R

Full record · 1876 → 2024

2024

District 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.

People and households

Who lives here

Exact values for this place, its state, and the United States.

Race · ethnicity · ancestry

Communities and origins

Irish15.4%14.8%9.4%

German12.9%12.4%12.5%

English10.9%10.5%9.5%

Italian8.9%8.6%4.8%

American4.9%4.7%5.3%

Polish4.2%4.0%2.2%

Scottish1.8%1.7%1.3%

French1.2%1.2%1.6%

African American†18.6%18.0%9.9%

African0.9%0.9%0.5%

Jamaican0.7%0.7%0.4%

Haitian0.5%0.5%0.3%

Nigerian0.4%0.4%0.2%

Ghanaian0.2%0.2%—

Mexican3.4%3.6%11.3%

Puerto Rican3.1%3.2%1.8%

Guatemalan1.1%1.2%0.5%

Dominican0.7%0.7%0.7%

Honduran0.2%—0.3%

Salvadoran0.2%0.2%0.7%

Cuban0.2%0.2%0.7%

Spanish0.2%0.2%—

Asian Indian1.7%1.7%1.4%

Chinese0.8%0.8%1.3%

Filipino0.5%0.5%0.9%

Vietnamese0.2%0.2%0.6%

Pakistani0.2%0.2%—

Korean0.2%0.2%0.4%

Hispanic or Latino counts residents of any race; the race groups count only their non-Hispanic residents, so the groups are mutually exclusive and sum to 100%. Expand a row to see ancestries reported within that group.

Age and life stage

Measure	DE-AL	Delaware	United States
Median age	41.6	42.4	39.1
Age 18–24	8.4%	8.4%	9.2%
Age 65 and older	20.6%	20.6%	17.2%

Household economy

Measure	DE-AL	Delaware	United States
Median household income	$84,954	$84,954	$84,427
Poverty rate	10.4%	10.4%	12.5%
Bachelor's degree or higher (25+)	35.8%	35.8%	35.6%

Housing and tenure

Measure	DE-AL	Delaware	United States
Owner-occupied homes	73.0%	73.0%	65.2%
Renter-occupied homes	27.0%	27.0%	34.8%
Median home value	—	$352,000	$332,700
Median gross rent (monthly)	—	$1,401	$1,413
Renters paying 30%+ of income	49.6%	49.6%	51.1%
Vacant housing units	13.4%	13.4%	10.1%

Getting to work

Measure	DE-AL	Delaware	United States
Mean commute	26.0 min	26.0 min	26.4 min
Commutes 60 minutes or more	7.8%	7.8%	8.6%
Drives alone to work	71.7%	71.7%	68.8%
Takes public transit	1.8%	1.8%	3.2%
Works from home	15.0%	15.0%	15.1%

Languages at home

Measure	DE-AL	Delaware	United States
Speaks a non-English language at home	15.1%	15.1%	22.3%
Spanish	7.9%	7.9%	13.6%
French (incl. Cajun & Haitian)	1.0%	1.0%	0.7%
Other Indo-European	1.7%	1.7%	2.0%
Other languages	1.2%	1.2%	0.8%

Religious landscape

Measure	DE-AL	Delaware	United States
Catholic	—	19.8%	18.6%
Evangelical Protestant	—	9.1%	16.5%
Unclaimed / not counted	—	58.8%	51.5%

Origins and service

Measure	DE-AL	Delaware	United States
Foreign-born residents	10.7%	10.7%	14.1%
Naturalized citizens	5.8%	5.8%	7.4%
Not U.S. citizens	4.9%	4.9%	6.8%
Veterans (18+)	7.4%	7.4%	6.2%
Income inequality (Gini)	—	0.449	0.483

American Community Survey 2024 5-year (CVAP, income, age, poverty, education, language, race, ancestry) · 2020 U.S. Religion Census (ASARB) — congregational adherents; unclaimed is the residual not counted by congregations · American Community Survey 2024 — housing and tenure (B25003, B25002, B25077, B25064, B25070), commuting (B08013, B08303, B08301), origins and service (B05002, B21001, B19083) · District housing, commuting and origins figures are constituent-county values weighted by each county’s share of the district — the Census publishes these at 119th-Congress lines and Akashic maps districts on the 2026 (cd:120) lines.

President results by year

Vote totals, margins, and source status

HarrisDemocratic56.6%289,758TrumpRepublican41.9%214,351OtherAll other candidates1.5%7,588

D+14.7

Lead: 75,407
Total: 511,697
vs nation: D+16.2

exact aggregate

BidenDemocratic58.8%296,268TrumpRepublican39.8%200,603OtherAll other candidates1.4%7,139

D+19.0

Lead: 95,665
Total: 504,010
vs nation: D+14.5

exact aggregate

ClintonDemocratic53.4%235,603TrumpRepublican41.9%185,127OtherAll other candidates4.7%20,860

D+11.4

Lead: 50,476
Total: 441,590
vs nation: D+9.3

exact aggregate

ObamaDemocratic58.6%242,584RomneyRepublican40.0%165,484OtherAll other candidates1.4%5,853

D+18.6

Lead: 77,100
Total: 413,921
vs nation: D+14.8

exact aggregate

ObamaDemocratic61.9%255,459McCainRepublican36.9%152,374OtherAll other candidates1.2%4,783

D+25.0

Lead: 103,085
Total: 412,616
vs nation: D+17.7

exact aggregate

KerryDemocratic53.3%200,152BushRepublican45.7%171,660OtherAll other candidates0.9%3,458

D+7.6

Lead: 28,492
Total: 375,270
vs nation: D+10.1

exact aggregate

GoreDemocratic55.0%180,068BushRepublican41.9%137,288OtherAll other candidates3.1%10,245

D+13.1

Lead: 42,780
Total: 327,601
vs nation: D+12.5

exact aggregate

ClintonDemocratic51.8%140,355DoleRepublican36.6%99,062OtherAll other candidates11.6%31,393

D+15.2

Lead: 41,293
Total: 270,810
vs nation: D+6.7

exact aggregate

Key facts

2024 presidential margin: D+14.7MIT Election Lab
Population: 989,6952024 5-year
Population density: 508 / sq mi2024 5-year · TIGER/Line
Land area: 1,949 sq miTIGER/Line
Median household income: $84,9542024 5-year
White (non-Hispanic): 58.6%2024 5-year
Black: 21.6%2024 5-year
Hispanic / Latino: 10.5%2024 5-year
Peak Democratic margin: D+25.0 in 2008MIT Election Lab
Peak Republican margin: R+32.0 in 1928MIT Election Lab
Most similar: Congressional District 18, NY · twin score 48.0

presidential history

Party record book

Delaware At-Large Congressional 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

Largest share of the presidential candidate vote cast here.

Democratic

Barack Obama2008

61.9%

255,459 votes · D+25.0

Runner-up · Lyndon B. Johnson, 1964 · 60.9%

Republican

Herbert Hoover1928

65.8%

68,860 votes · R+32.0

Runner-up · Ronald Reagan, 1984 · 59.8%

Most votes

Largest number of votes cast for the party’s presidential nominee here.

Democratic

Joe Biden2020

296,268votes

58.8% of the vote · D+19.0

Runner-up · Kamala Harris, 2024 · 289,758 votes

Republican

Donald Trump2024

214,351votes

41.9% of the vote · D+14.7

Runner-up · Donald Trump, 2020 · 200,603 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

Barack Obama2008

+17.7pts D vs U.S.

Place D+25.0 · U.S. D+7.3

Runner-up · Kamala Harris, 2024 · +16.2 pts

Republican

Herbert Hoover1932

+20.2pts R vs U.S.

Place R+2.4 · U.S. D+17.8

Runner-up · Herbert Hoover, 1928 · +14.6 pts

U.S. House elections · 25 House

Senate and governor results are in the Office selector at the top of this page.

U.S. House

Each result reflects the U.S. House district as it was drawn for that election; redistricting has redrawn these lines over time, so they can differ from the current 120th-Congress district shown on the map above.

Source · MIT Election Lab (MEDSL), House. CC BY 4.0.
Year	District	Won	Democratic	Republican	Total
2024	At-large	D	57.9%287,830	42.1%209,606	497,436
2022	At-large	D	55.5%178,416	43.0%138,201	321,649
2020	At-large	D	57.6%281,382	40.2%196,392	488,270
2018	At-large	D	64.5%227,353	35.5%125,384	352,737
2016	At-large	D	55.5%233,554	41.0%172,301	420,617
2014	At-large	D	59.3%137,251	36.8%85,146	231,617
2012	At-large	D	64.4%249,933	33.4%129,757	388,059
2010	At-large	D	56.8%173,543	41.0%125,442	305,636
2008	At-large	R	38.0%146,434	61.1%235,437	385,457
2006	At-large	R	38.8%97,565	57.2%143,897	251,694
2004	At-large	R	29.7%105,716	69.1%245,978	356,045
2002	At-large	R	26.7%61,011	72.1%164,605	228,405
2000	At-large	R	30.8%96,488	67.6%211,797	313,126
1998	At-large	R	31.8%57,446	66.4%119,811	180,529
1996	At-large	R	27.5%73,258	69.5%185,577	266,831
1994	At-large	R	26.6%51,793	70.7%137,945	195,008
1992	At-large	R	42.5%117,426	55.4%153,037	276,124
1990	At-large	D	65.5%116,274	32.7%58,037	177,435
1988	At-large	D	67.5%158,338	32.5%76,179	234,517
1986	At-large	D	66.2%106,351	33.4%53,767	160,757
1984	At-large	D	58.5%142,070	41.4%100,650	243,014
1982	At-large	D	52.4%98,533	46.3%87,153	188,064
1980	At-large	R	37.5%81,227	61.8%133,842	216,575
1978	At-large	R	41.2%64,863	58.2%91,689	157,566
1976	At-large	R	47.6%102,411	51.4%110,636	215,085

As one of only seven at-large districts in the country, Delaware's single congressional seat must represent a population spanning Wilmington's urban core, suburban New Castle County, and the rural Slower Lower peninsula — a range that produced a D+14.6 margin in 2024.

Across the recorded series it reached a Democratic high of 25.0 points in 2008 and a Republican high of 32.0 points in 1928. Between 2020 and 2024 the district moved 4.2 points toward the Republican candidate; the 2024 margin was 14.7 points.

A population of 989,695, a 59% non-Hispanic-white share, and a median household income of $84,954 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 18 and Congressional District 20.

Political twins — districts

The congressional districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

Congressional District 18

New York

48.0twin score

elasticityIrish ancestry% Evangelical≠ population scale

Congressional District 20

New York

47.0twin score

2012–2024 trajectory% unaffiliated≠ population scale

Congressional District 9

Massachusetts

46.8twin score

elasticity2020–2024 trajectory% unaffiliated≠ 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.

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Delaware at the ballot boxAll elections →

Presidentcounty detail2024 US Senatestatewide2024 Governorstate + county2024 US Houseall districts2024

Places within Delaware At-Large Congressional District

counties it covers3

Kent County New Castle County Sussex County

Frequently asked questions

How did Delaware At-Large Congressional District vote in 2024?

In 2024, Delaware At-Large Congressional District voted Democratic by 14.7 points (D+14.7), carried by the Democratic candidate. Out of 511,697 votes cast, 289,758 went Democratic and 214,351 went Republican.

When did Delaware At-Large Congressional District last vote Republican?

The most recent presidential election in which Delaware At-Large Congressional District voted Republican was 1988.

How many people live in Delaware At-Large Congressional District?

Delaware At-Large Congressional District has a population of 989,695 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Delaware At-Large Congressional District?

Median household income in Delaware At-Large Congressional District is $84,954 — above the national median of $80,734. The Delaware state median is $84,954.

What is the political history of Delaware At-Large Congressional District?

Akashic tracks 38 presidential elections in Delaware At-Large Congressional District from 1876 to 2024. Of those, 21 went Democratic and 17 went Republican.

Measure

DE-AL

Delaware

United States

Median age

41.6

42.4

39.1

Age 18–24

8.4%

9.2%

Age 65 and older

20.6%

17.2%

Measure

DE-AL

Delaware

United States

Median household income

$84,954

$84,427

Poverty rate

10.4%

12.5%

Bachelor's degree or higher (25+)

35.8%

35.6%

Measure

DE-AL

Delaware

United States

Owner-occupied homes

73.0%

65.2%

Renter-occupied homes

27.0%

34.8%

Median home value

—

$352,000

$332,700

Median gross rent (monthly)

—

$1,401

$1,413

Renters paying 30%+ of income

49.6%

51.1%

Vacant housing units

13.4%

10.1%

Measure

DE-AL

Delaware

United States

Mean commute

26.0 min

26.4 min

Commutes 60 minutes or more

7.8%

8.6%

Drives alone to work

71.7%

68.8%

Takes public transit

1.8%

3.2%

Works from home

15.0%

15.1%

Measure

DE-AL

Delaware

United States

Speaks a non-English language at home

15.1%

22.3%

Spanish

7.9%

13.6%

French (incl. Cajun & Haitian)

1.0%

0.7%

Other Indo-European

1.7%

2.0%

Other languages

1.2%

0.8%

Measure

DE-AL

Delaware

United States

Catholic

—

19.8%

18.6%

Evangelical Protestant

—

9.1%

16.5%

Unclaimed / not counted

—

58.8%

51.5%

Measure

DE-AL

Delaware

United States

Foreign-born residents

10.7%

14.1%

Naturalized citizens

5.8%

7.4%

Not U.S. citizens

4.9%

6.8%

Veterans (18+)

7.4%

6.2%

Income inequality (Gini)

—

0.449

0.483

Key facts

2024 presidential margin

D+14.7MIT Election Lab

Population

989,6952024 5-year

Population density

508 / sq mi2024 5-year · TIGER/Line

Land area

1,949 sq miTIGER/Line

Median household income

$84,9542024 5-year

White (non-Hispanic)

58.6%2024 5-year

Black

21.6%2024 5-year

Hispanic / Latino

10.5%2024 5-year

Peak Democratic margin

D+25.0 in 2008MIT Election Lab

Peak Republican margin

R+32.0 in 1928MIT Election Lab

Most similar

Congressional District 18, NY · twin score 48.0

Source · MIT Election Lab (MEDSL), House. CC BY 4.0.

Year

District

Won

Democratic

Republican

Total

2024

At-large

57.9%287,830

42.1%209,606

497,436

2022

At-large

55.5%178,416

43.0%138,201

321,649

2020

At-large

57.6%281,382

40.2%196,392

488,270

2018

At-large

64.5%227,353

35.5%125,384

352,737

2016

At-large

55.5%233,554

41.0%172,301

420,617

2014

At-large

59.3%137,251

36.8%85,146

231,617

2012

At-large

64.4%249,933

33.4%129,757

388,059

2010

At-large

56.8%173,543

41.0%125,442

305,636

2008

At-large

38.0%146,434

61.1%235,437

385,457

2006

At-large

38.8%97,565

57.2%143,897

251,694

2004

At-large

29.7%105,716

69.1%245,978

356,045

2002

At-large

26.7%61,011

72.1%164,605

228,405

2000

At-large

30.8%96,488

67.6%211,797

313,126

1998

At-large

31.8%57,446

66.4%119,811

180,529

1996

At-large

27.5%73,258

69.5%185,577

266,831

1994

At-large

26.6%51,793

70.7%137,945

195,008

1992

At-large

42.5%117,426

55.4%153,037

276,124

1990

At-large

65.5%116,274

32.7%58,037

177,435

1988

At-large

67.5%158,338

32.5%76,179

234,517

1986

At-large

66.2%106,351

33.4%53,767

160,757

1984

At-large

58.5%142,070

41.4%100,650

243,014

1982

At-large

52.4%98,533

46.3%87,153

188,064

1980

At-large

37.5%81,227

61.8%133,842

216,575

1978

At-large

41.2%64,863

58.2%91,689

157,566

1976

At-large

47.6%102,411

51.4%110,636

215,085