Most populated postcodes

The 20 postcodes in Western Australia with the most residents, and the 20 with the fewest, out of 248 with a published figure.

	Place	State	Postcode	Residents
1	Greenfields	Western Australia	6210	75,034
2	Brookdale	Western Australia	6112	70,564
3	Wanneroo	Western Australia	6065	68,443
4	Jandakot	Western Australia	6164	66,124
5	Coolbellup	Western Australia	6163	54,704
6	Canning Vale	Western Australia	6155	53,765
7	Queens Park	Western Australia	6107	48,583
8	Ellenbrook	Western Australia	6069	46,350
9	Glen Iris	Western Australia	6230	44,972
10	Southern River	Western Australia	6110	44,873
11	Connolly	Western Australia	6027	42,828
12	Gwelup	Western Australia	6018	42,250
13	Balga	Western Australia	6061	41,683
14	Greenmount	Western Australia	6056	41,172
15	Quinns Rocks	Western Australia	6030	40,841
16	Mckail	Western Australia	6330	38,042
17	Baldivis	Western Australia	6171	37,697
18	Shoalwater	Western Australia	6169	35,317
19	Noranda	Western Australia	6062	34,144
20	Waggrakine	Western Australia	6530	33,378

Least populated postcodes

	Place	State	Postcode	Residents
1	Cranbrook	Western Australia	6321	505
2	Narrikup	Western Australia	6326	514
3	Bunjil	Western Australia	6620	518
4	Cataby	Western Australia	6507	530
5	Little Sandy Desert	Western Australia	6646	535
6	Jilakin	Western Australia	6365	538
7	North Greenbushes	Western Australia	6254	541
8	Yarloop	Western Australia	6218	541
9	Gairdner	Western Australia	6337	545
10	Walpole	Western Australia	6398	552
11	Dartnall	Western Australia	6320	554
12	Bonnie Rock	Western Australia	6479	558
13	Dudawa	Western Australia	6519	575
14	Morawa	Western Australia	6623	575
15	West Island Cocos (Keeling) Islands	Western Australia	6799	593
16	Karridale	Western Australia	6288	603
17	Cookernup	Western Australia	6219	604
18	Cuballing	Western Australia	6311	605
19	Leeman	Western Australia	6514	639
20	Mount Magnet	Western Australia	6638	653

Most populated postcodes — All of Australia

Places with fewer than 500 residents are excluded: a figure drawn from a handful of people carries more uncertainty than the differences being ranked.