Maryland State Senate District 39

State Legislative District Profile (Upper Chamber)

Overview

District ID
md-sd-039
State
Maryland
Chamber
Upper chamber (state senate)
District Code
039
Land Area
28.7 sq mi
Water Area
0.36 sq mi

Boundary

Boundary of Maryland State Senate District 39

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Montgomery County28.73 sq mi100.0%5.8%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Germantown CDP11.55 sq mi40.2%67.8%
Montgomery Village CDP3.88 sq mi13.5%100.0%
Clarksburg CDP1.92 sq mi6.7%19.9%
Flower Hill CDP1.84 sq mi6.4%87.9%
Gaithersburg city1.27 sq mi4.4%12.3%
Darnestown CDP1.20 sq mi4.2%7.3%
Washington Grove town0.34 sq mi1.2%100.0%
Redland CDP0.11 sq mi0.4%1.5%

Showing all 8 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
MD District 699,18374.1%12.8%77.1%
MD District 834,66225.9%4.5%22.9%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
86,877
Active Voters
81,308 (93.6%)

Party Registration

PartyVotersShare
Democratic47,29954.4%
Republican12,52514.4%
Unaffiliated25,19529.0%
Other parties1,8582.1%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202455,636 (64.0%)0 (0.0%)0 (0.0%)
2021–202231,241 (36.0%)0 (0.0%)0 (0.0%)
2019–202051,038 (58.7%)17,543 (20.2%)2,805 (3.2%)
2017–201834,705 (39.9%)9,150 (10.5%)1,382 (1.6%)
2015–201639,268 (45.2%)12,385 (14.3%)3,400 (3.9%)
2013–201417,413 (20.0%)4,519 (5.2%)1,003 (1.2%)
2011–201232,060 (36.9%)3,697 (4.3%)1,636 (1.9%)

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
131,858 (± 4,001)
Median Age
37.8
Median Household Income
$113,950 (± $4,656)
High School Graduate or Higher (age 25+)
88.5%
Bachelor's Degree or Higher (age 25+)
48.8%

Population by Age

GroupPeopleShare
Under 1831,43523.8%
18 to 6482,99262.9%
65 and over17,43113.2%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)37,52128.5%
White, not Hispanic30,83723.4%
Black, not Hispanic31,37923.8%
Asian, not Hispanic23,84718.1%
American Indian / Alaska Native, not Hispanic2730.2%
Native Hawaiian / Pacific Islander, not Hispanic1380.1%
Some other race, not Hispanic1,3501.0%
Two or more races, not Hispanic6,5134.9%

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
111,577
Citizen Voting Age Population (CVAP)
82,349

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic83,77375.1%
Hispanic27,80924.9%
White31,60528.3%
Black28,45225.5%
Asian18,15616.3%
American Indian / Alaska Native2760.2%
Native Hawaiian / Pacific Islander1380.1%
Two or More Races8930.8%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic64,91878.8%
Hispanic17,42621.2%
White27,31433.2%
Black21,21625.8%
Asian14,96418.2%
American Indian / Alaska Native8641.0%
Native Hawaiian / Pacific Islander1330.2%
Two or More Races5670.7%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).