Tulliby Lake is a hamlet in central Alberta, Canada within the County of Vermilion River. It is located approximately north of Highway 45 and northwest of Lloydminster.
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The population of Tulliby Lake according to the 2015 municipal census conducted by the County of Vermilion River is 22.
Tulliby Lake has a Petro-Canada cardlock fuel station, a community centre, a natural-ice skating rink, and an open-air riding arena.