Warrenup is a locality of the City of Albany in the Great Southern region of Western Australia.

[3][4] Part of Warrenup had been part of the land of Hassell family.

[5] As of the 2021 Australian census, 800 people resided in Warrenup,[1] up from 701 in the 2016 census.

[6] The median age of persons in Warrenup was 43 years.

There were fewer males than females, with 49.4% of the population male and 50.6% female.