Overview
- District ID
- md-sd-004
- State
- Maryland
- Chamber
- Upper chamber (state senate)
- District Code
- 004
- Land Area
- 518 sq mi
- Water Area
- 5.76 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 |
|---|
| Frederick County | 517.93 sq mi | 100.0% | 78.4% |
Showing all 1 county
Places
Showing all 20 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 6 | 126,452 | 100.0% | 16.3% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 108,689
- Active Voters
- 103,501 (95.2%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 34,032 | 31.3% |
| Republican | 43,579 | 40.1% |
| Unaffiliated | 29,505 | 27.1% |
| Other parties | 1,573 | 1.4% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 80,495 (74.1%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 56,855 (52.3%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 72,910 (67.1%) | 14,322 (13.2%) | 12,072 (11.1%) |
| 2017–2018 | 53,930 (49.6%) | 7,690 (7.1%) | 8,778 (8.1%) |
| 2015–2016 | 61,049 (56.2%) | 12,180 (11.2%) | 16,338 (15.0%) |
| 2013–2014 | 37,963 (34.9%) | 5,544 (5.1%) | 9,642 (8.9%) |
| 2011–2012 | 52,834 (48.6%) | 4,110 (3.8%) | 8,382 (7.7%) |
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
- 134,559 (± 1,850)
- Median Age
- 41.5
- Median Household Income
- $144,801 (± $3,595)
- High School Graduate or Higher (age 25+)
- 95.5%
- Bachelor's Degree or Higher (age 25+)
- 46.8%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 32,032 | 23.8% |
| 18 to 64 | 79,834 | 59.3% |
| 65 and over | 22,693 | 16.9% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 12,215 | 9.1% |
| White, not Hispanic | 103,078 | 76.6% |
| Black, not Hispanic | 6,394 | 4.8% |
| Asian, not Hispanic | 6,507 | 4.8% |
| American Indian / Alaska Native, not Hispanic | 52 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 53 | 0.0% |
| Some other race, not Hispanic | 275 | 0.2% |
| Two or more races, not Hispanic | 5,985 | 4.4% |
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
- 130,756
- Citizen Voting Age Population (CVAP)
- 98,944
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 120,464 | 92.1% |
| Hispanic | 10,298 | 7.9% |
| White | 103,882 | 79.4% |
| Black | 6,292 | 4.8% |
| Asian | 5,332 | 4.1% |
| American Indian / Alaska Native | 52 | 0.0% |
| Native Hawaiian / Pacific Islander | 41 | 0.0% |
| Two or More Races | 318 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 92,713 | 93.7% |
| Hispanic | 6,232 | 6.3% |
| White | 81,742 | 82.6% |
| Black | 5,731 | 5.8% |
| Asian | 4,656 | 4.7% |
| American Indian / Alaska Native | 422 | 0.4% |
| Native Hawaiian / Pacific Islander | 24 | 0.0% |
| Two or More Races | 153 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
