Pennsylvania State Senate seat · lines in effect since 2022
Pennsylvania Senate District 3
A district of about 265,000 people, 22% Hispanic and 52% Black, 24% of adults with a bachelor's degree. It votes D+81.3 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 | 2024 | |
|---|---|---|---|
| U.S. Senate | D+75.9 | D+91.7 | D+80.4 |
| Governor | No race | D+92.0 | No race |
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 3.
Lower than 84% of seats.
Lowest of 50 seats.
Higher than 94% of seats.
Higher than 96% of seats.
Higher than 78% of seats.
Densest of 50 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 855% Black · 30% college gradsD+68.4Held DDistrict 7
54% Black · 41% college gradsD+70.4Not up in 2026District 4
49% Black · 44% college gradsD+68.3Held DDistrict 2
40% Hispanic · 23% BlackD+42.3Held 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