The 2016 census determined a population of 125 for the state suburb of Western Junction.
[2] The South Esk River forms the southern boundary.
[3] The B41 route (Evandale Road) enters from the north-west and runs through to the south-east before exiting.
Route C417 (Perth Mill Road) starts at an intersection with B41 and runs south-west before exiting.
[2][4] The junction of the western and southern rail lines is in the locality.