Overview
- District ID
- md-hd-09b
- State
- Maryland
- Chamber
- Lower chamber
- District Code
- 09B
- Land Area
- 19.9 sq mi
- Water Area
- 0.11 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 |
|---|
| Howard County | 19.88 sq mi | 100.0% | 7.9% |
Showing all 1 county
Places
Showing all 2 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 | 44,688 | 100.0% | 5.8% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 32,971
- Active Voters
- 31,589 (95.8%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 16,343 | 49.6% |
| Republican | 6,589 | 20.0% |
| Unaffiliated | 9,561 | 29.0% |
| Other parties | 478 | 1.4% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 23,695 (71.9%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 16,983 (51.5%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 21,916 (66.5%) | 7,086 (21.5%) | 2,408 (7.3%) |
| 2017–2018 | 16,772 (50.9%) | 4,344 (13.2%) | 1,457 (4.4%) |
| 2015–2016 | 17,673 (53.6%) | 6,079 (18.4%) | 3,041 (9.2%) |
| 2013–2014 | 11,135 (33.8%) | 3,095 (9.4%) | 1,308 (4.0%) |
| 2011–2012 | 14,939 (45.3%) | 1,826 (5.5%) | 1,513 (4.6%) |
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
- 43,080 (± 1,741)
- Median Age
- 42.8
- Median Household Income
- $157,740 (± $10,259)
- High School Graduate or Higher (age 25+)
- 95.1%
- Bachelor's Degree or Higher (age 25+)
- 67.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 10,203 | 23.7% |
| 18 to 64 | 24,938 | 57.9% |
| 65 and over | 7,939 | 18.4% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 2,365 | 5.5% |
| White, not Hispanic | 21,966 | 51.0% |
| Black, not Hispanic | 4,449 | 10.3% |
| Asian, not Hispanic | 12,443 | 28.9% |
| American Indian / Alaska Native, not Hispanic | 31 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 135 | 0.3% |
| Two or more races, not Hispanic | 1,691 | 3.9% |
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
- 38,342
- Citizen Voting Age Population (CVAP)
- 28,853
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 36,755 | 95.9% |
| Hispanic | 1,587 | 4.1% |
| White | 21,735 | 56.7% |
| Black | 4,123 | 10.8% |
| Asian | 9,546 | 24.9% |
| American Indian / Alaska Native | 29 | 0.1% |
| Native Hawaiian / Pacific Islander | 3 | 0.0% |
| Two or More Races | 170 | 0.4% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 28,041 | 97.2% |
| Hispanic | 812 | 2.8% |
| White | 17,514 | 60.7% |
| Black | 3,499 | 12.1% |
| Asian | 6,791 | 23.5% |
| American Indian / Alaska Native | 187 | 0.6% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 79 | 0.3% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
