Delaware State Representative District 21

State Legislative District Profile (Lower Chamber)

Overview

District ID
de-hd-021
State
Delaware
Chamber
Lower chamber
District Code
021
Land Area
9.33 sq mi
Water Area
0 sq mi

Boundary

Boundary of Delaware State Representative District 21

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
New Castle County9.33 sq mi100.0%2.2%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Pike Creek Valley CDP2.87 sq mi30.8%100.0%
Pike Creek CDP0.51 sq mi5.5%19.1%

Showing all 2 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
DE At-Large24,050100.0%2.4%100.0%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
18,846
Active Voters
18,301 (97.1%)

Party Registration

PartyVotersShare
Democratic7,67740.7%
Republican4,57524.3%
Unaffiliated6,03532.0%
Other parties5593.0%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202412,972 (68.8%)0 (0.0%)0 (0.0%)
2021–20228,226 (43.6%)0 (0.0%)0 (0.0%)
2019–202011,939 (63.4%)0 (0.0%)0 (0.0%)
2017–20188,589 (45.6%)0 (0.0%)0 (0.0%)
2015–201610,041 (53.3%)0 (0.0%)0 (0.0%)
2013–20144,812 (25.5%)0 (0.0%)0 (0.0%)
2011–20128,555 (45.4%)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
25,216 (± 1,671)
Median Age
38.5
Median Household Income
$101,286 (± $4,667)
High School Graduate or Higher (age 25+)
97.1%
Bachelor's Degree or Higher (age 25+)
47.5%

Population by Age

GroupPeopleShare
Under 184,68318.6%
18 to 6416,21664.3%
65 and over4,31717.1%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)2,2518.9%
White, not Hispanic17,61269.8%
Black, not Hispanic2,1238.4%
Asian, not Hispanic1,8037.2%
American Indian / Alaska Native, not Hispanic00.0%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic510.2%
Two or more races, not Hispanic1,3765.5%

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
24,153
Citizen Voting Age Population (CVAP)
19,487

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic22,33992.5%
Hispanic1,8157.5%
White17,64473.1%
Black2,1048.7%
Asian1,4145.9%
American Indian / Alaska Native00.0%
Native Hawaiian / Pacific Islander00.0%
Two or More Races90.0%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic18,33394.1%
Hispanic1,1555.9%
White15,06377.3%
Black2,04410.5%
Asian1,0875.6%
American Indian / Alaska Native1290.7%
Native Hawaiian / Pacific Islander30.0%
Two or More Races90.0%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).