2024 Senate · Pennsylvania
InsiderAdvantage · fieldwork ended 2024-10-27 (9 days before the election) · 800 respondents · method not reported
The poll said
Democrat 46.8% · Republican 46.8%
even
The certified result
Democrat 48.60% · Republican 48.82%
R+0.2
The arithmetic
- Poll margin = 46.8 − 46.8 = 0.00
- Actual margin = 48.601 − 48.818 = -0.217
- Signed miss = 0.00 − (-0.217) = 0.217
- Absolute miss = |0.217| = 0.217
The poll overstated the Democrat by 0.2 points and showed a tie.
Where these numbers come from
Poll and result: 538 senate_polls_historical.csv (archived 2025-03-06). Poll ID 88970, race ID 9527 (538 database).
population: lv