99chambers

Maryland House of Delegates seat · lines in effect since 2022

Maryland Delegate District 29B

A district of about 41,000 people, 26% Black, 37% of adults with a bachelor's degree. It votes D+12.1 relative to the nation for president.

Brian Crosby (D) · since Nov 6, 2018Next election Nov 5, 2030The 2026 race →

Where it sits among all 71 seats

Every Maryland House of Delegates 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+12.144th most
Democratic
Most DemocraticMost Republican36th seat · the majority lineDistrict 29B

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 House of DelegatesD+11.7D+18.2

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 71 seats. Small marks are other seats in Maryland. The black marker is District 29B.

Adults with a bachelor's degree37% 44th pct · 40th of 71 in MD

Lower than 56% of seats.

White adults without a degree33% 56th pct · 32nd of 71 in MD

Higher than 56% of seats.

Hispanic residents6% 31st pct · 49th of 71 in MD

Lower than 69% of seats.

Black residents26% 59th pct · 30th of 71 in MD

Higher than 59% of seats.

Asian residents4% 57th pct · 31st of 71 in MD

Higher than 57% of seats.

People per square mile122 9th pct · 65th of 71 in MD

Less dense than 91% 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 34A
31% Black · 32% college gradsD+17.5CountingDistrict 27B
43% Black · 40% college gradsD+29.0CountingDistrict 29C
40% college gradsR+14.2CountingDistrict 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. Brian Crosby (D)
    2023– · Won 2022 by 11.7

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