Pennsylvania State Senate seat · lines in effect since 2022
Pennsylvania Senate District 24
A district of about 268,000 people, 40% of adults with a bachelor's degree. It votes R+1.5 relative to the nation for president.
Where it sits among all 50 seats
Every Pennsylvania 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.
Democratic
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.
| 2016 | 2018 | 2022 | 2024 | 2026 | |
|---|---|---|---|---|---|
| U.S. Senate | R+12.8 | D+10.8 | No race | R+25.9 | No race |
| Governor | No race | D+15.0 | No race | No race | No race |
| Pennsylvania State Senate | No race | No race | R+4.0 | No race | D+10.5 |
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 50 seats. Small marks are other seats in Pennsylvania. The black marker is District 24.
Higher than 67% of seats.
Lower than 51% of seats.
Lower than 59% of seats.
Higher than 63% of seats.
Higher than 65% of seats.
Less dense than 53% 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. 1 of the 4 flipped this year.
District 1643% college gradsR+8.5CountingDistrict 36
36% college gradsR+15.8Flipped RDistrict 6
43% college gradsR+4.2CountingDistrict 10
49% college gradsD+11.3Held 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.
- Chris Thomas (D)
2027– · Won 2026 by 10.5 - Tracy E. Pennycuick (R)
2023–2027 · Won 2022 by 4.0
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)