Overview
- District ID
- md-sd-021
- State
- Maryland
- Chamber
- Upper chamber (state senate)
- District Code
- 021
- Land Area
- 67.9 sq mi
- Water Area
- 0.43 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 2 counties
Places
Showing all 14 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 |
|---|
| MD District 4 | 117,775 | 88.3% | 15.3% | 55.3% |
| MD District 5 | 15,627 | 11.7% | 2.0% | 44.7% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 84,025
- Active Voters
- 77,589 (92.3%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 49,300 | 58.7% |
| Republican | 11,745 | 14.0% |
| Unaffiliated | 20,643 | 24.6% |
| Other parties | 2,337 | 2.8% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 49,956 (59.5%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 28,902 (34.4%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 45,737 (54.4%) | 17,806 (21.2%) | 2,600 (3.1%) |
| 2017–2018 | 32,225 (38.4%) | 9,549 (11.4%) | 1,328 (1.6%) |
| 2015–2016 | 36,407 (43.3%) | 13,004 (15.5%) | 3,157 (3.8%) |
| 2013–2014 | 18,697 (22.3%) | 5,342 (6.4%) | 1,161 (1.4%) |
| 2011–2012 | 30,934 (36.8%) | 3,586 (4.3%) | 1,483 (1.8%) |
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 12/01/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 133,026 (± 2,896)
- Median Age
- 32.6
- Median Household Income
- $101,949 (± $3,468)
- High School Graduate or Higher (age 25+)
- 86.4%
- Bachelor's Degree or Higher (age 25+)
- 46.0%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 26,908 | 20.2% |
| 18 to 64 | 88,696 | 66.7% |
| 65 and over | 17,422 | 13.1% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 32,548 | 24.5% |
| White, not Hispanic | 34,353 | 25.8% |
| Black, not Hispanic | 45,489 | 34.2% |
| Asian, not Hispanic | 13,206 | 9.9% |
| American Indian / Alaska Native, not Hispanic | 152 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 19 | 0.0% |
| Some other race, not Hispanic | 744 | 0.6% |
| Two or more races, not Hispanic | 6,515 | 4.9% |
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
- 111,802
- Citizen Voting Age Population (CVAP)
- 86,794
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 91,350 | 81.7% |
| Hispanic | 20,452 | 18.3% |
| White | 34,035 | 30.4% |
| Black | 42,681 | 38.2% |
| Asian | 9,709 | 8.7% |
| American Indian / Alaska Native | 146 | 0.1% |
| Native Hawaiian / Pacific Islander | 21 | 0.0% |
| Two or More Races | 765 | 0.7% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 76,043 | 87.6% |
| Hispanic | 10,749 | 12.4% |
| White | 30,392 | 35.0% |
| Black | 35,579 | 41.0% |
| Asian | 8,924 | 10.3% |
| American Indian / Alaska Native | 916 | 1.1% |
| Native Hawaiian / Pacific Islander | 18 | 0.0% |
| Two or More Races | 499 | 0.6% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).