How many places in Australia are called Onslow?

There is one place named Onslow in Australia.

All places in the world called "Onslow".

Location Onslow:

• Western Australia

Cities

Gladstone (5)
Hamilton (5)
Kingston (5)
Gordon (4)
Windsor (4)
Newstead (4)
Cremorne (4)
Springfield (4)
Darlington (4)
Woodstock (4)
Rosedale (4)
Richmond (4)
Brighton (3)
Buxton (3)
Clare (3)
Mosquito Creek (3)
Spring Hill (3)
Homebush (3)
Stratford (3)
Bald Hills (3)
Inglewood (3)
Broughton (3)
Donnybrook (3)
Greenmount (3)
Laura (3)
Lyndhurst (3)
Mount Pleasant (3)
Oakwood (3)
Seymour (3)
Stonehenge (3)