Overview
- District ID
- de-sd-004
- State
- Delaware
- Chamber
- Upper chamber (state senate)
- District Code
- 004
- Land Area
- 44.2 sq mi
- Water Area
- 0.37 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
| County | Overlap | Share of district land | Share of county land |
|---|
| New Castle County | 44.22 sq mi | 100.0% | 10.4% |
Showing all 1 county
Places
Showing all 5 places
Overlapping Congressional Districts
| Congressional district | Population in both | Share of this district's population | Share of the congressional district's population | Share of this district's land |
|---|
| DE At-Large | 44,976 | 100.0% | 4.5% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 36,472
- Active Voters
- 35,750 (98.0%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 14,144 | 38.8% |
| Republican | 10,313 | 28.3% |
| Unaffiliated | 11,048 | 30.3% |
| Other parties | 967 | 2.7% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 26,800 (73.5%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 18,004 (49.4%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 24,681 (67.7%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 18,717 (51.3%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 20,696 (56.7%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 11,312 (31.0%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 18,055 (49.5%) | 0 (0.0%) | 0 (0.0%) |
Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.
Browse the voter list for this district (premium access; sign-in required)
Source: Civitech voter file snapshot as of 01/14/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 43,952 (± 2,071)
- Median Age
- 45.5
- Median Household Income
- $144,048 (± $9,770)
- High School Graduate or Higher (age 25+)
- 97.2%
- Bachelor's Degree or Higher (age 25+)
- 65.2%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 9,308 | 21.2% |
| 18 to 64 | 24,077 | 54.8% |
| 65 and over | 10,567 | 24.0% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 2,523 | 5.7% |
| White, not Hispanic | 30,985 | 70.5% |
| Black, not Hispanic | 2,399 | 5.5% |
| Asian, not Hispanic | 5,852 | 13.3% |
| American Indian / Alaska Native, not Hispanic | 11 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 61 | 0.1% |
| Two or more races, not Hispanic | 2,121 | 4.8% |
Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.
Citizen Voting Age Population
- Total Citizen Population
- 41,771
- Citizen Voting Age Population (CVAP)
- 32,694
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 39,506 | 94.6% |
| Hispanic | 2,268 | 5.4% |
| White | 31,446 | 75.3% |
| Black | 2,307 | 5.5% |
| Asian | 4,304 | 10.3% |
| American Indian / Alaska Native | 10 | 0.0% |
| Native Hawaiian / Pacific Islander | 1 | 0.0% |
| Two or More Races | 60 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 31,228 | 95.5% |
| Hispanic | 1,463 | 4.5% |
| White | 26,088 | 79.8% |
| Black | 1,892 | 5.8% |
| Asian | 3,118 | 9.5% |
| American Indian / Alaska Native | 124 | 0.4% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 23 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
