About this British Columbia poll from Mainstreet Research
This British Columbia poll was fielded by Mainstreet Research in October 2026, with a middle field date of October 1, 2026. The poll collected data from a total sample of n=827 British Columbia respondents via IVR technology (automated calls).
The margin of error [moe] for this poll is estimated at ±3.4%, 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 national numbers with the previous poll from Mainstreet Research (April 2026), the BC Conservative PC Party climbs 12 points from 33% to 45%, the BC NDP is down one point (variation smaller than moe), and the Green Party loses five points from 16% to 11%.
You can read more information on this poll here.