Overview
- District ID
- md-sd-013
- State
- Maryland
- Chamber
- Upper chamber (state senate)
- District Code
- 013
- Land Area
- 66.8 sq mi
- Water Area
- 1.53 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 | 66.81 sq mi | 100.0% | 26.6% |
Showing all 1 county
Places
Showing all 9 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 | 131,670 | 100.0% | 17.1% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 96,756
- Active Voters
- 92,765 (95.9%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 52,840 | 54.6% |
| Republican | 15,885 | 16.4% |
| Unaffiliated | 26,325 | 27.2% |
| Other parties | 1,706 | 1.8% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 68,565 (70.9%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 45,662 (47.2%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 62,660 (64.8%) | 23,085 (23.9%) | 4,997 (5.2%) |
| 2017–2018 | 46,412 (48.0%) | 12,081 (12.5%) | 2,417 (2.5%) |
| 2015–2016 | 50,283 (52.0%) | 17,885 (18.5%) | 6,329 (6.5%) |
| 2013–2014 | 28,737 (29.7%) | 7,758 (8.0%) | 2,051 (2.1%) |
| 2011–2012 | 42,412 (43.8%) | 5,074 (5.2%) | 2,896 (3.0%) |
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 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
- 137,189 (± 2,837)
- Median Age
- 37.3
- Median Household Income
- $137,864 (± $4,890)
- High School Graduate or Higher (age 25+)
- 93.1%
- Bachelor's Degree or Higher (age 25+)
- 59.8%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 32,482 | 23.7% |
| 18 to 64 | 86,289 | 62.9% |
| 65 and over | 18,418 | 13.4% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 16,589 | 12.1% |
| White, not Hispanic | 52,589 | 38.3% |
| Black, not Hispanic | 37,222 | 27.1% |
| Asian, not Hispanic | 22,008 | 16.0% |
| American Indian / Alaska Native, not Hispanic | 69 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 19 | 0.0% |
| Some other race, not Hispanic | 1,189 | 0.9% |
| Two or more races, not Hispanic | 7,504 | 5.5% |
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
- 124,961
- Citizen Voting Age Population (CVAP)
- 93,710
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 112,658 | 90.2% |
| Hispanic | 12,312 | 9.9% |
| White | 53,157 | 42.5% |
| Black | 35,986 | 28.8% |
| Asian | 17,504 | 14.0% |
| American Indian / Alaska Native | 66 | 0.1% |
| Native Hawaiian / Pacific Islander | 19 | 0.0% |
| Two or More Races | 1,186 | 0.9% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 86,467 | 92.3% |
| Hispanic | 7,243 | 7.7% |
| White | 44,228 | 47.2% |
| Black | 27,319 | 29.2% |
| Asian | 13,801 | 14.7% |
| American Indian / Alaska Native | 580 | 0.6% |
| Native Hawaiian / Pacific Islander | 18 | 0.0% |
| Two or More Races | 755 | 0.8% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
