Overview
- District ID
- md-hd-12b
- State
- Maryland
- Chamber
- Lower chamber
- District Code
- 12B
- Land Area
- 15.7 sq mi
- Water Area
- 0.47 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 |
|---|
| Anne Arundel County | 15.70 sq mi | 100.0% | 3.8% |
Showing all 1 county
Places
Showing all 4 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 3 | 45,293 | 100.0% | 5.9% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 29,806
- Active Voters
- 27,849 (93.4%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 13,647 | 45.8% |
| Republican | 7,572 | 25.4% |
| Unaffiliated | 7,840 | 26.3% |
| Other parties | 747 | 2.5% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 17,651 (59.2%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 10,385 (34.8%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 16,397 (55.0%) | 4,640 (15.6%) | 1,723 (5.8%) |
| 2017–2018 | 10,844 (36.4%) | 2,003 (6.7%) | 840 (2.8%) |
| 2015–2016 | 13,263 (44.5%) | 3,798 (12.7%) | 1,829 (6.1%) |
| 2013–2014 | 7,540 (25.3%) | 1,789 (6.0%) | 837 (2.8%) |
| 2011–2012 | 11,594 (38.9%) | 1,211 (4.1%) | 736 (2.5%) |
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
- 44,944 (± 2,370)
- Median Age
- 39.5
- Median Household Income
- $93,242 (± $7,789)
- High School Graduate or Higher (age 25+)
- 85.6%
- Bachelor's Degree or Higher (age 25+)
- 23.3%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 8,991 | 20.0% |
| 18 to 64 | 29,474 | 65.6% |
| 65 and over | 6,479 | 14.4% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 7,094 | 15.8% |
| White, not Hispanic | 21,581 | 48.0% |
| Black, not Hispanic | 12,010 | 26.7% |
| Asian, not Hispanic | 1,955 | 4.3% |
| American Indian / Alaska Native, not Hispanic | 52 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 67 | 0.1% |
| Two or more races, not Hispanic | 2,185 | 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
- 41,784
- Citizen Voting Age Population (CVAP)
- 32,938
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 37,066 | 88.7% |
| Hispanic | 4,724 | 11.3% |
| White | 21,713 | 52.0% |
| Black | 11,593 | 27.7% |
| Asian | 1,741 | 4.2% |
| American Indian / Alaska Native | 52 | 0.1% |
| Native Hawaiian / Pacific Islander | 2 | 0.0% |
| Two or More Races | 136 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 30,341 | 92.1% |
| Hispanic | 2,601 | 7.9% |
| White | 18,667 | 56.7% |
| Black | 9,805 | 29.8% |
| Asian | 1,501 | 4.6% |
| American Indian / Alaska Native | 355 | 1.1% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 120 | 0.4% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).