About this Quebec poll from Mainstreet Research
This Quebec poll was fielded by Mainstreet Research in October 2026, with a middle field date of October 3, 2026. The poll collected data from a total sample of n=2,011 Quebec respondents via IVR technology (automated calls).
The margin of error [moe] for this poll is estimated at ±2.2%, 19 times out of 20 (for entire sample only) around the 50%-mark.
The regional breakdown of this poll was not made publicly available.
If we compare these numbers with the previous poll from Mainstreet Research (May 2026), the Parti Québécois climbs four points from 23% to 27%, the Liberal Party loses nine points from 32% to 23%, and the Coalition avenir Québec loses four points from 24% to 20%.
You can read more information on this poll here.
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