99chambers

Maryland State Senate seat · lines in effect since 2022

Maryland Legislative District 30

A district of about 128,000 people, 53% of adults with a bachelor's degree. It votes D+18.5 relative to the nation for president.

Shaneka Henson (D)Next election Nov 5, 2030The 2026 race →

Where it sits among all 47 seats

Every Maryland State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

D+18.533rd most
Democratic
Most DemocraticMost Republican24th seat · the majority lineDistrict 30

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

20222026
Maryland State SenateD+14.9D+15.0

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 47 seats. Small marks are other seats in Maryland. The black marker is District 30.

Adults with a bachelor's degree53% 78th pct · 11th of 47 in MD

Higher than 78% of seats.

White adults without a degree31% 65th pct · 17th of 47 in MD

Higher than 65% of seats.

Hispanic residents11% 61st pct · 19th of 47 in MD

Higher than 61% of seats.

Black residents10% 17th pct · 39th of 47 in MD

Lower than 83% of seats.

Asian residents2% 28th pct · 34th of 47 in MD

Lower than 72% of seats.

People per square mile550 26th pct · 35th of 47 in MD

Less dense than 74% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Seats most like this one

Nearest seats on demographics, density and lean.

District 33
57% college gradsD+19.0Held DDistrict 34
23% Black · 38% college gradsD+7.0Held DDistrict 42
52% college gradsR+8.8Held RDistrict 4
47% college gradsR+6.0Counting

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Who has held it

These lines took effect in 2022.

  1. Shaneka Henson (D)
    2027– · Won 2026 by 15.0
  2. Sarah Elfreth (D)
    2023–2027 · Won 2022 by 14.9

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)