Urban Centres are defined by the Australian Bureau of Statistics as being a population cluster of 1,000 or more people. For statistical purposes, people living in Urban Centres are classified as urban. These figures represent the populations of the contiguous built-up areas of each city.
| Urban Centre | Population 2006 Census [1] |
Rank |
|---|---|---|
| Perth | 1256035 | 1 |
| Mandurah | 67816 | 2 |
| Bunbury | 54968 | 3 |
| Kalgoorlie | 28242 | 4 |
| Geraldton | 27420 | 5 |
| Albany | 25196 | 6 |
| Busselton, | 15386 | 7 |
| Karratha | 11728 | 8 |
| Port Hedland | 11557 | 9 |
| Broome | 11547 | 10 |
| Esperance | 9536 | 11 |
| Collie | 7084 | 12 |
| Northam | 6009 | 13 |
| Carnarvon | 5283 | 14 |
| Margaret River | 4415 | 15 |
| Manjimup | 4239 | 16 |
| Kununurra | 3748 | 17 |
| Derby | 3093 | 18 |
| Tom Price, | 2721 | 19 |
| Northam | 2324 | 20 |
| York | 2088 | 21 |