2020 President · CO
Morning Consult · fieldwork ended 2020-10-26 (8 days before the election) · 727 respondents · Online Panel
The poll said
Democrat 53.8% · Republican 40.9%
D+12.9
The certified result
Democrat 55.40% · Republican 41.90%
D+13.5
The arithmetic
- Poll margin = 53.8 − 40.9 = 12.90
- Actual margin = 55.400 − 41.898 = 13.502
- Signed miss = 12.90 − (13.502) = -0.602
- Absolute miss = |-0.602| = 0.602
The poll overstated the Republican by 0.6 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 72603, race ID 6216 (538 database).