Karragullen's postcode is 6111. Karragullen is a
suburb of South Western, Western Australia and is
about 31 kms southeast of WA's capital city of
Perth. In the 2011 Australian census the population
of Karragullen was 449 when there were 201
Females and 248 Males living there.
Karragullen is located within the City of Armadale.

Karragullen is an agricultural area and is
predominantly known as orchard country.