99chambers

Delaware State Senate seat · lines in effect since 2022

Delaware Senate District 13

A district of about 45,000 people, 43% Black, 26% of adults with a bachelor's degree. It votes D+49.3 relative to the nation for president.

Marie Pinkney (D) · since Nov 3, 2020Next election Nov 5, 2030The 2026 race →

Where it sits among all 21 seats

Every Delaware State Senate 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+49.33rd most
Democratic
Most DemocraticMost Republican11th seat · the majority lineDistrict 13

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.

2024
U.S. SenateD+51.5
GovernorD+47.8

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 21 seats. Small marks are other seats in Delaware. The black marker is District 13.

Adults with a bachelor's degree26% 20th pct · 17th of 21 in DE

Lower than 80% of seats.

White adults without a degree31% 25th pct · 16th of 21 in DE

Lower than 75% of seats.

Hispanic residents15% 75th pct · 6th of 21 in DE

Higher than 75% of seats.

Black residents43% 95th pct · 2nd of 21 in DE

Higher than 95% of seats.

Asian residents4% 65th pct · 8th of 21 in DE

Higher than 65% of seats.

People per square mile2,817 85th pct · 4th of 21 in DE

Denser than 85% 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.

District 3
21% Hispanic · 40% BlackD+64.7Not up in 2026District 17
42% Black · 29% college gradsD+32.3Not up in 2026District 2
57% Black · 21% college gradsD+65.5Not up in 2026District 11
29% Black · 38% college gradsD+40.1Not up in 2026

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. Marie Pinkney (D)
    2023– · Won 2022 unopposed, 2026 unopposed

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