Established in 2002 and based in Boston, the Suffolk University Political Research Center (SUPRC) conducts statewide and national surveys as well as bellwether polls. It examines political races and analyzes voters' opinions on key issues.
Suffolk University presidential polls have predicted outcomes in key battleground states including Arizona, Colorado, Florida, Michigan, Nevada, New Hampshire, Ohio, Pennsylvania, and Virginia.
2024 Swing State Polls Taken in the Final Three Weeks
14 for 14 Within the Margin of Error
2024 US President |
All results within the margin of error |
| Wisconsin Statewide | October Suffolk Poll Trump +1 |
| Actual Vote Trump +1 | |
| Door County, Wisconsin Bellwether | October Suffolk Poll Harris +3 |
| Actual Vote Harris +2 | |
| Michigan Statewide | October Suffolk Poll EVEN |
| Actual Vote Trump +1 | |
| Kent County, Michigan Bellwether | October Suffolk Poll Harris +1 |
| Actual Vote Harris +5 | |
| Pennsylvania Statewide | November Suffolk Poll EVEN |
| Actual Vote Trump +2 | |
| Erie County, Pennsylvania Bellwether | November Suffolk Poll EVEN |
| Actual Vote Trump +1 | |
| Northampton County, Pennsylvania Bellwether | November Suffolk Poll Trump +2 |
| Actual Vote Trump +2 | |
2024 US Senate |
All results within the margin of error |
| Wisconsin Statewide | October Suffolk Poll Baldwin +1 |
| Actual Vote Baldwin +1 | |
| Door County, Wisconsin Bellwether | October Suffolk Poll Baldwin +6 |
| Actual Vote Balwin +3 | |
| Michigan Statewide | October Suffolk Poll Slotkin +3 |
| Actual Vote Slotkin +1 | |
| Kent County, Michigan Bellwether | October Suffolk Poll Slotkin +3 |
| Actual Vote Slotkin +5 | |
| Pennsylvania Statewide | November Suffolk Poll Casey +4 |
| Actual Vote EVEN | |
| Erie County, Pennsylvania Bellwether | November Suffolk Poll Casey +1 |
| Actual Vote Casey +1 | |
| Northampton County, Pennsylvania Bellwether | November Suffolk Poll Casey +1 |
| Actual Vote McCormick +1 |