Pennsylvania House of Representatives seat · lines in effect since 2022

Pennsylvania House District 9

A district of about 65,000 people, 24% of adults with a bachelor's degree. It votes R+29.0 relative to the nation for president.

Where it sits among all 203 seats

Every Pennsylvania House of Representatives 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+29.0148th most
Democratic
Most DemocraticMost Republican102nd seat · the majority lineDistrict 9

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.

20162018202220242026
U.S. SenateR+15.0R+5.3No raceR+34.4No race
GovernorNo raceR+0.9No raceNo raceNo race
Pennsylvania House of RepresentativesNo raceNo raceR+5.8No raceR+23.3

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 203 seats. Small marks are other seats in Pennsylvania. The black marker is District 9.

Adults with a bachelor's degree24% 25th pct · 152nd of 203 in PA

Lower than 75% of seats.

White adults without a degree69% 83rd pct · 35th of 203 in PA

Higher than 83% of seats.

Hispanic residents2% 22nd pct · 159th of 203 in PA

Lower than 78% of seats.

Black residents5% 55th pct · 92nd of 203 in PA

Higher than 55% of seats.

Asian residents0% 1st pct · 200th of 203 in PA

Lower than 99% of seats.

People per square mile317 29th pct · 145th of 203 in PA

Less dense than 71% of seats.

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

Who has held it

These lines took effect in 2022.

  1. Marla A. Brown (R)
    2023– · Won 2022 by 5.8, 2024 unopposed

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