2024 House · Ohio
co/efficient · fieldwork ended 2024-10-24 (12 days before the election) · 707 respondents · IVR/Text · partisan sponsor (REP)
The poll said
Democrat 45% · Republican 46%
R+1.0
The certified result
Democrat 51.10% · Republican 48.90%
D+2.2
The arithmetic
- Poll margin = 45 − 46 = -1.00
- Actual margin = 51.105 − 48.895 = 2.210
- Signed miss = -1.00 − (2.210) = -3.211
- Absolute miss = |-3.211| = 3.211
The poll overstated the Republican by 3.2 points and had the wrong leader.
Where these numbers come from
Poll and result: 538 house_polls_historical.csv (archived 2025-03-06). Poll ID 88935, race ID 9852 (538 database).
population: lv