Delaware State Senate seat · lines in effect since 2022
Delaware Senate District 3
A district of about 43,000 people, 21% Hispanic and 40% Black, 26% of adults with a bachelor's degree. It votes D+64.7 relative to the nation for president.
2024 election
Nov 5, 2024- S. Elizabeth Lockman (D) · won100.0%
Unopposed.
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET
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.
Democratic
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 election for this seat
18 races since 1968. District numbers are redrawn after each census: each group is one set of lines.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| Lines first used in 2022 | |||
| 2024 | S. Elizabeth Lockman (D) | — | Unopposed |
| 2022 | S. Elizabeth Lockman (D) | — | Unopposed |
| Lines first used in 2012 | |||
| 2018 | S. Elizabeth Lockman (D) | — | Unopposed |
| 2014 | Robert I. Marshall (D) | — | Unopposed |
| 2012 | Robert I. Marshall (D) | — | Unopposed |
| Lines first used in 2002 | |||
| 2008 | Robert I. Marshall (D) | — | Unopposed |
| 2004 | Robert I. Marshall (D) | — | Unopposed |
| 2002 | Robert I. Marshall (D) | Michael A. Brown Sr. (R) | 50.0 |
| Lines first used in 1992 | |||
| 1998 | Robert I. Marshall (D) | Wesley N. Smith (R) | 70.3 |
| 1994 | Robert I. Marshall (D) | Dwight L. Davis (R) | 58.0 |
| 1992 | Robert I. Marshall (D) | — | Unopposed |
| Lines first used in 1982 | |||
| 1988 | Robert I. Marshall (D) | — | Unopposed |
| 1984 | Robert I. Marshall (D) | — | Unopposed |
| 1982 | Robert I. Marshall (D) | Samuel J. Morano (R) | 53.1 |
| Lines first used in 1972 | |||
| 1978 | Robert I. Marshall (D) | John E. Stawicki (R) | 26.7 |
| 1974 | George F. Schlor (D) | Samuel J. Morano (R) | 53.3 |
| 1972 | George F. Schlor (D) | Joseph S. Szczechowski (R) | 33.6 |
| Lines first used in 1962 | |||
| 1968 | George F. Schlor (D) | Ralph S. Keenan (R) | 13.8 |
Primaries: 2014 Democratic primary
Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Districts that overlap District 3
The state's districts in other chambers that share residents with this one, and the share of District 3's area in each.
- U.S. House
- DE-AL 100%
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 | |
|---|---|
| President | D+63.0 |
| U.S. Senate | D+68.1 |
| Governor | D+62.6 |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 8, 2026, 7:01 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 3.
Lower than 75% of seats.
Lower than 95% of seats.
Higher than 95% of seats.
Higher than 85% of seats.
Lower than 70% of seats.
Densest of 21 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 1343% Black · 26% college gradsD+49.3Held DDistrict 2
57% Black · 21% college gradsD+65.5Not up in 2026District 11
29% Black · 38% college gradsD+40.1Not up in 2026District 17
42% Black · 29% college gradsD+32.3Not 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