Maryland State Senate District 42

State Legislative District Profile (Upper Chamber)

Overview

District ID
md-sd-042
State
Maryland
Chamber
Upper chamber (state senate)
District Code
042
Land Area
361.1 sq mi
Water Area
6.82 sq mi

Boundary

Boundary of Maryland State Senate District 42

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Baltimore County237.64 sq mi65.8%39.7%
Carroll County123.43 sq mi34.2%27.6%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Cockeysville CDP8.37 sq mi2.3%69.9%
Timonium CDP4.97 sq mi1.4%86.9%
Hampton CDP3.69 sq mi1.0%62.1%
Hampstead town3.30 sq mi0.9%98.8%
Towson CDP1.45 sq mi0.4%10.2%
Lutherville CDP1.16 sq mi0.3%55.1%
Carney CDP0.01 sq mi<0.1%0.1%

Showing all 7 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 2110,97487.0%14.4%77.3%
MD District 116,51213.0%2.1%22.7%

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

Voters

Registered Voters
101,422
Active Voters
97,381 (96.0%)

Party Registration

PartyVotersShare
Democratic34,13233.7%
Republican42,47541.9%
Unaffiliated23,08122.8%
Other parties1,7341.7%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202475,866 (74.8%)0 (0.0%)0 (0.0%)
2021–202253,936 (53.2%)0 (0.0%)0 (0.0%)
2019–202071,242 (70.2%)15,283 (15.1%)14,843 (14.6%)
2017–201854,157 (53.4%)8,943 (8.8%)9,190 (9.1%)
2015–201660,682 (59.8%)13,634 (13.4%)17,263 (17.0%)
2013–201441,579 (41.0%)7,045 (6.9%)8,378 (8.3%)
2011–201253,793 (53.0%)3,241 (3.2%)7,292 (7.2%)

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
124,024 (± 2,638)
Median Age
43.6
Median Household Income
$118,079 (± $3,820)
High School Graduate or Higher (age 25+)
95.8%
Bachelor's Degree or Higher (age 25+)
52.1%

Population by Age

GroupPeopleShare
Under 1826,01221.0%
18 to 6473,70159.4%
65 and over24,31119.6%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)6,4095.2%
White, not Hispanic98,67679.6%
Black, not Hispanic8,3746.8%
Asian, not Hispanic5,4504.4%
American Indian / Alaska Native, not Hispanic760.1%
Native Hawaiian / Pacific Islander, not Hispanic60.0%
Some other race, not Hispanic6940.6%
Two or more races, not Hispanic4,3393.5%

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
120,001
Citizen Voting Age Population (CVAP)
94,463

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic114,43895.4%
Hispanic5,5664.6%
White99,62683.0%
Black8,0366.7%
Asian3,7813.2%
American Indian / Alaska Native740.1%
Native Hawaiian / Pacific Islander30.0%
Two or More Races600.0%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic90,96896.3%
Hispanic3,5043.7%
White80,27585.0%
Black6,9317.3%
Asian3,3143.5%
American Indian / Alaska Native4840.5%
Native Hawaiian / Pacific Islander60.0%
Two or More Races460.0%

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