99chambers

U.S. House seat · lines in effect since 2022

Delaware's at-large District

A district of about 1,021,000 people, 21% Black, 36% of adults with a bachelor's degree. It votes D+15.9 relative to the nation for president.

Sarah McBride (D) · since Jan 3, 2025Next election Nov 7, 2028The 2026 race →
DE-AL

Source: 2026 results: Delaware Department of Elections; boundaries: Census Bureau TIGER/LineUpdated Nov 7, 2026, 3:01 PM ET

Where it sits among all 435 seats

Every U.S. House seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

D+15.9138th most
Democratic
Most DemocraticMost Republican218th seat · the majority lineDE-AL

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

202220242026
U.S. SenateNo raceD+17.0No race
GovernorNo raceD+12.1No race
U.S. HouseD+12.5D+15.7D+28.7

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: Delaware Department of ElectionsUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 435 seats. Small marks are other seats in Delaware. The black marker is DE-AL.

Adults with a bachelor's degree36% 59th pct · 1st of 1 in DE

Higher than 59% of seats.

White adults without a degree39% 53rd pct · 1st of 1 in DE

Higher than 53% of seats.

Hispanic residents11% 41st pct · 1st of 1 in DE

Lower than 59% of seats.

Black residents21% 84th pct · 1st of 1 in DE

Higher than 84% of seats.

Asian residents4% 60th pct · 1st of 1 in DE

Higher than 60% of seats.

People per square mile410 54th pct · 1st of 1 in DE

Denser than 54% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Seats most like this one

Nearest seats on demographics, density and lean.

IL-13
32% college gradsD+10.7Held DNY-25
42% college gradsD+19.3Held DVA-7
38% college gradsD+4.0Held DKY-3
21% Black · 36% college gradsD+20.2Held D

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Who has held it

These lines took effect in 2022.

  1. Sarah McBride (D)
    2025– · Won 2024 by 15.7, 2026 by 28.7
  2. Lisa Blunt Rochester (D)
    2023–2025 · Won 2022 by 12.5

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)