Willyung is a locality of the City of Albany in the Great Southern region of Western Australia. Its south-western border is formed by the Albany Highway while Chester Pass Road forms its south-eastern one. It is located from Albany.
As of the 2021 Australian census, 635 people resided in Willyung, up from 575 in the . The median age of persons in Willyung was 43 years. There were more males than females, with 50.5% of the population male and 49.5% female. The average household size was 2.8 people per household.