Canadian federal election results in Southern Durham and York

Canadian federal elections have provided the following results in the suburban sections of Durham and York Regions.

The region is within the 905 Area Code (often referred to as the "905 belt"), and is populated predominantly by middle class, suburban voters.

After leaning Liberal from 1968 to 1974, the area tilted conservative in the late 1970s and 1980s, when it only had three seats, helping the PCs win two majority governments in the 1980s.

The Conservatives flipped Aurora—Oak Ridges—Richmond Hill in a 2018 by-election, retained it in 2019 but lost it to the Liberals in 2021 along with Markham—Unionville whereby King—Vaughan went in the other direction.

For the first time since 1988 the Liberals ranked third in a riding of the region (in Oshawa) whereas the NDP achieved its first second position since that date.