| District | Senator | Party | Residence | Counties represented | First elected | Term ends |
| 1 | Nikil Saval | Dem | Philadelphia | Philadelphia | 2020 | 2028 |
| 2 | Christine Tartaglione | Dem | Philadelphia | Philadelphia | 1994 | 2026 |
| 3 | Sharif Street | Dem | Philadelphia | Philadelphia | 2016 | 2028 |
| 4 | Art Haywood | Dem | Philadelphia | Montgomery, Philadelphia | 2014 | 2026 |
| 5 | Joe Picozzi | Rep | Philadelphia | Philadelphia | 2024 | 2028 |
| 6 | Frank Farry | Rep | Langhorne Borough | Bucks | 2022 | 2026 |
| 7 | Vincent Hughes | Dem | Philadelphia | Montgomery, Philadelphia | 1994 | 2028 |
| 8 | Anthony Williams | Dem | Philadelphia | Delaware, Philadelphia | 1998 | 2026 |
| 9 | John Kane | Dem | Birmingham | Chester, Delaware | 2020 | 2028 |
| 10 | Steve Santarsiero | Dem | Lower Makefield Township | Bucks | 2018 | 2026 |
| 11 | Judy Schwank | Dem | Fleetwood | Berks | 2011 | 2028 |
| 12 | Maria Collett | Dem | Lower Gwynedd Township | Montgomery | 2018 | 2026 |
| 13 | Scott Martin | Rep | West Lampeter Township | Berks, Lancaster | 2016 | 2028 |
| 14 | Nick Miller | Dem | Allentown | Lehigh, Northampton | 2022 | 2026 |
| 15 | Patty Kim | Dem | Harrisburg | Dauphin | 2024 | 2028 |
| 16 | Jarrett Coleman | Rep | Upper Macungie Township | Bucks, Lehigh | 2022 | 2026 |
| 17 | Amanda Cappelletti | Dem | East Norriton Township | Delaware, Montgomery | 2020 | 2028 |
| 18 | Lisa Boscola | Dem | Bethlehem Township | Lehigh, Northampton | 1998 | 2026 |
| 19 | Carolyn Comitta | Dem | West Chester | Chester | 2020 | 2028 |
| 20 | Lisa Baker | Rep | Lehman Township | Luzerne, Pike, Susquehanna, Wayne, Wyoming | 2006 | 2026 |
| 21 | Scott Hutchinson | Rep | Oil City | Butler, Clarion, Forest, Venango, Warren | 2012 | 2028 |
| 22 | Marty Flynn | Dem | Scranton | Lackawanna, Luzerne | 2021 | 2026 |
| 23 | Eugene Yaw | Rep | Loyalsock Township | Bradford, Lycoming, Sullivan, Tioga, Union | 2008 | 2028 |
| 24 | Tracy Pennycuick | Rep | Harleysville | Berks, Montgomery | 2022 | 2026 |
| 25 | Cris Dush | Rep | Pine Creek Township | Cameron, Centre, Clinton, Elk, Jefferson, McKean, Potter | 2020 | 2028 |
| 26 | Tim Kearney | Dem | Swarthmore | Delaware | 2018 | 2026 |
| 27 | Lynda Culver | Rep | Sunbury | Columbia, Luzerne, Montour, Northumberland, Snyder | 2023 | 2028 |
| 28 | Kristin Phillips-Hill | Rep | York Township | York | 2018 | 2026 |
| 29 | Dave Argall | Rep | Rush Township | Carbon, Luzerne, Schuylkill | 2009 | 2028 |
| 30 | Judy Ward | Rep | Hollidaysburg | Blair, Fulton, Huntingdon, Juniata, Mifflin | 2018 | 2026 |
| 31 | Dawn Keefer | Rep | Dillsburg | Cumberland, York | 2024 | 2028 |
| 32 | Pat Stefano | Rep | Bullskin Township | Bedford, Fayette, Somerset, Westmoreland | 2014 | 2026 |
| 33 | Doug Mastriano | Rep | Greene Township | Adams, Franklin | 2019 | 2028 |
| 34 | Greg Rothman | Rep | Silver Spring Township | Cumberland, Dauphin, Perry County | 2022 | 2026 |
| 35 | Wayne Langerholc | Rep | Johnstown | Cambria County, Centre, Clearfield | 2016 | 2028 |
| 36 | James Andrew Malone | Dem | East Petersburg | Lancaster | 2025 | 2026 |
| 37 | Devlin Robinson | Rep | Bridgeville | Allegheny, Washington | 2020 | 2028 |
| 38 | Lindsey Williams | Dem | West View | Allegheny | 2018 | 2026 |
| 39 | Kim Ward | Rep | Hempfield Township | Westmoreland | 2008 | 2028 |
| 40 | Rosemary Brown | Rep | East Stroudsburg | Lackawanna, Monroe, Wayne | 2022 | 2026 |
| 41 | Joe Pittman | Rep | Indiana | Armstrong, Indiana, Jefferson, Westmoreland | 2019 | 2028 |
| 42 | Wayne Fontana | Dem | Pittsburgh | Allegheny | 2005 | 2026 |
| 43 | Jay Costa | Dem | Forest Hills | Allegheny | 1996 | 2028 |
| 44 | Katie Muth | Dem | East Vincent Township | Berks, Chester, Montgomery | 2018 | 2026 |
| 45 | Nick Pisciottano | Dem | West Mifflin | Allegheny | 2024 | 2028 |
| 46 | Camera Bartolotta | Rep | Monongahela | Beaver, Greene, Washington | 2014 | 2026 |
| 47 | Elder Vogel | Rep | New Sewickley Township | Beaver, Butler, Lawrence | 2008 | 2028 |
| 48 | Chris Gebhard | Rep | North Cornwall Township | Berks, Lancaster, Lebanon | 2021 | 2026 |
| 49 | Dan Laughlin | Rep | Millcreek Township | Erie | 2016 | 2028 |