99chambers

U.S. House seat · lines in effect since 2022

Maryland's 2nd District

A district of about 770,000 people, 24% Black, 46% of adults with a bachelor's degree. It votes D+19.6 relative to the nation for president.

Johnny Olszewski, Jr. (D) · since Jan 3, 2025Next election Nov 7, 2028The 2026 race →
MD-2

Source: 2026 results: civicAPI; boundaries: Census Bureau TIGER/LineUpdated Nov 7, 2026, 3:01 PM ET

Where it sits among all 435 seats

Every U.S. House 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+19.6123rd most
Democratic
Most DemocraticMost Republican218th seat · the majority line47853MD-261

Labels below the bar mark 7 other seats in Maryland.

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.

202220242026
U.S. SenateNo raceD+9.0No race
U.S. HouseD+18.6D+18.6D+25.5

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 435 seats. Small marks are other seats in Maryland. The black marker is MD-2.

Adults with a bachelor's degree46% 83rd pct · 3rd of 8 in MD

Higher than 83% of seats.

White adults without a degree32% 39th pct · 3rd of 8 in MD

Lower than 61% of seats.

Hispanic residents6% 24th pct · 7th of 8 in MD

Lower than 76% of seats.

Black residents24% 87th pct · 4th of 8 in MD

Higher than 87% of seats.

Asian residents6% 68th pct · 4th of 8 in MD

Higher than 68% of seats.

People per square mile904 67th pct · 5th of 8 in MD

Denser than 67% 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.

PA-5
24% Black · 42% college gradsD+29.9Held DNY-25
42% college gradsD+19.3Held DPA-12
42% college gradsD+19.2Held DMD-3
53% college gradsD+24.8Held D

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 Olszewski (D)
    2027– · Won 2026 by 25.5
  2. John "johnny O" Olszewski Jr. (D)
    2025–2027 · Won 2024 by 18.6
  3. C. A. Dutch Ruppersberger (D)
    2023–2025 · Won 2022 by 18.6

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