Keysbrook's postcode is 6126. Keysbrook is a
suburb of South Western, Western Australia and is
about 54 kms south-southeast of WA's capital city
of Perth. In the 2011 Australian census the
population of Keysbrook was 502 when there were
127 Females and 375 Males living there.
Keysbrook is an outer southern suburb of Perth, in
the Shire of Serpentine-Jarrahdale along the
South Western Highway.