Mainstreet Research/338Canada Poll of Markham-Stouffville

This poll was conducted by Mainstreet Research and was commissioned by Mainstreet was on the field from May 29th to 30th 2019 and, using IVR technology, it collected voting intentions of 601 voters residing in the Markham-Stouffville district. This is a probabilistic sample with a margin of error of ±4%.

Here is 338's analysis published by Maclean's.

Here is the poll's full report.

Philippe J. Fournier is the creator of Qc125 and 338Canada. He teaches physics and astronomy at Cégep de Saint-Laurent in Montreal. For information or media request, please write to

Philippe J. Fournier est le créateur de Qc125 et 338Canada. Il est professeur de physique et d'astronomie au Cégep de Saint-Laurent à Montréal. Pour toute information ou pour une demande d'entrevue médiatique, écrivez à