2020 President · CO
Data for Progress · fieldwork ended 2020-10-29 (5 days before the election) · 709 respondents · Online Panel/Text-to-Web
The poll said
Democrat 54% · Republican 42%
D+12.0
The certified result
Democrat 55.40% · Republican 41.90%
D+13.5
The arithmetic
- Poll margin = 54 − 42 = 12.00
- Actual margin = 55.400 − 41.898 = 13.502
- Signed miss = 12.00 − (13.502) = -1.502
- Absolute miss = |-1.502| = 1.502
The poll overstated the Republican by 1.5 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 72584, race ID 6216 (538 database).