Bradford West Gwillimbury is a town in south-central Ontario, Canada, in Simcoe County in the Toronto Census Metropolitan Area[2] on the Holland River.

[3] Holland Marsh, a region of #9 humus soil, is located partly in Bradford West Gwillimbury.

The town, along with the Township of King is the governing body responsible for the maintenance of the drainage system of this source of Canada's produce supply.

The administration is led by a town manager and has the following departments: clerks, building, planning, human resources, recreation, finance, engineering, facilities and parks, fire and IT.

Bradford West Gwillimbury and the neighbouring town of Innisfil share the South Simcoe Police Service.

Federally, the town is part of the riding of York—Simcoe, represented by Scot Davidson of the Conservative Party, who elected in a by-election on February 25, 2019.

The routes provide a local transit connection to the town's railway station, and the bus system operates six days a week.