About this British Columbia poll from Mainstreet Research
This British Columbia poll was fielded by Mainstreet Research in April 2026, with a middle field date of April 11, 2026. The poll collected data from a total sample of n=1,275 British Columbia respondents via IVR technology (automated calls).
The margin of error [moe] for this poll is estimated at ±2.7%, 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 (December 2025), the BC NDP loses three points from 41% to 38%, the BC Conservative PC Party loses nine points from 42% to 33%, and the Green Party climbs six points from 10% to 16%.
You can read more information on this poll here.