99chambers

Maryland House of Delegates seat · lines in effect since 2022

Maryland Delegate District 42C

A district of about 45,000 people, 40% of adults with a bachelor's degree. It votes R+34.0 relative to the nation for president.

Josh Stonko (R) · since Nov 8, 2022Next 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.

R+34.065th most
Democratic
Most DemocraticMost Republican36th seat · the majority lineDistrict 42C

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.

2026
Maryland House of DelegatesR+32.1

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 71 seats. Small marks are other seats in Maryland. The black marker is District 42C.

Adults with a bachelor's degree40% 51st pct · 35th of 71 in MD

Higher than 51% of seats.

White adults without a degree53% 87th pct · 10th of 71 in MD

Higher than 87% of seats.

Hispanic residents5% 16th pct · 60th of 71 in MD

Lower than 84% of seats.

Black residents3% 1st pct · 70th of 71 in MD

Lower than 99% of seats.

Asian residents3% 44th pct · 40th of 71 in MD

Lower than 56% of seats.

People per square mile364 26th pct · 53rd of 71 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 35A
41% college gradsR+34.6CountingDistrict 7B
43% college gradsR+28.5CountingDistrict 5
41% college gradsR+21.9CountingDistrict 29A
32% college gradsR+35.7Counting

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. Joshua J. Stonko (R)
    2023– · Won 2022 by 95.2

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