Marlboro is a hamlet in west-central Alberta, Canada within Yellowhead County.

Sundance Provincial Park is located northwest of the hamlet.

Statistics Canada recognizes Marlboro as a designated place.

[2] As a designated place in the 2016 Census of Population conducted by Statistics Canada, Marlboro had a population of 90 living in 34 of its 40 total private dwellings, a change of 12.5% from its 2011 population of 80.

This Central Alberta location article is a stub.