Call
the Map
FORECAST55 DAYS OUT
← Pollster performance
Current archive

Zenith Research

16 sourced current-cycle records. No graded historical record is available for this canonical identity.

Archive source date 2026-09-09 · bundled copy. Archive records may be newer than the sealed forecast; inclusion here does not mean the forecast uses them.

McMorrow +2

Mallory McMorrow 44% · Mike Rogers 42%

Field dates
Jun 11–Jun 14, 2026
Sample
602 LV
Sponsor / client
Common Defense
Partisan sponsorship
Democratic-sponsored
Flood +7

Mike Flood 45% · Chris Backemeyer 38%

Field dates
May 8–May 11, 2026
Sample
371 LV
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Mills +5

Susan Collins 37% · Janet Mills 42%

Field dates
Oct 7–Oct 10, 2025
Sample
501 LV
Sponsor / client
More Perfect Union
Partisan sponsorship
No partisan sponsorship flag
Tied

Susan Collins 38% · Graham Platner 38%

Field dates
Oct 7–Oct 10, 2025
Sample
501 LV
Sponsor / client
More Perfect Union
Partisan sponsorship
No partisan sponsorship flag
Poll data via VoteHub, used under CC BY 4.0. Poll data from The New York Times, used under CC BY 4.0.