99chambers

Maryland State Senate seat · lines in effect since 2022

Maryland Legislative District 37

A district of about 130,000 people, 23% Black, 28% of adults with a bachelor's degree. It votes R+7.7 relative to the nation for president.

Johnny Mautz (R) · since Nov 8, 2022Next 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.

R+7.736th most
Democratic
Most DemocraticMost Republican24th seat · the majority lineDistrict 37

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 SenateR+21.7R+12.1

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 37.

Adults with a bachelor's degree28% 11th pct · 42nd of 47 in MD

Lower than 89% of seats.

White adults without a degree46% 85th pct · 8th of 47 in MD

Higher than 85% of seats.

Hispanic residents7% 39th pct · 29th of 47 in MD

Lower than 61% of seats.

Black residents23% 48th pct · 25th of 47 in MD

Lower than 52% of seats.

Asian residents1% 7th pct · 44th of 47 in MD

Lower than 93% of seats.

People per square mile68 0th pct · 47th of 47 in MD

Least dense of 47 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 38
20% Black · 31% college gradsR+15.3Held RDistrict 29
36% college gradsR+14.5CountingDistrict 36
33% college gradsR+22.7Held RDistrict 2
25% college gradsR+17.5Held R

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. Johnny Mautz (R)
    2023– · Won 2022 by 21.7, 2026 by 12.1

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