About this British Columbia poll from Mainstreet Research
This British Columbia poll was fielded by Mainstreet Research in June 2025, with a middle field date of June 24, 2025. The poll collected data from a total sample of n=943 British Columbia respondents via IVR technology (automated calls).
The margin of error [moe] for this poll is estimated at ±3.2%, 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 national numbers with the previous poll from Mainstreet Research (October 2024), the BC Conservative PC Party is down one point (variation smaller than moe), the BC NDP is down one point (variation smaller than moe), and the Green Party loses three points from 10% to 7% (variation similar to moe).
You can read more information on this poll here.