2022 Governor · IL
Research Co. · fieldwork ended 2022-11-05 (3 days before the election) · 450 respondents · Online Panel
The poll said
Democrat 59% · Republican 39%
D+20.0
The certified result
Democrat 54.91% · Republican 42.37%
D+12.5
The arithmetic
- Poll margin = 59 − 39 = 20.00
- Actual margin = 54.907 − 42.369 = 12.538
- Signed miss = 20.00 − (12.538) = 7.462
- Absolute miss = |7.462| = 7.462
The poll overstated the Democrat by 7.5 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 81585, race ID 8963 (538 database).