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Seifa Advantage (Irsad)

Australian suburbs by SEIFA advantage (IRSAD)

Ranked by SEIFA advantage (IRSAD), from ABS SEIFA 2021. Highest and lowest suburbs, each linking to its full profile.

SEIFA 2021 Index of Relative Socio-economic Advantage and Disadvantage (IRSAD) score, for suburbs with a population of at least 1,000. The national mean is 1000; a higher score means relatively more advantage. This is a relative measure, not a judgement about a place or its residents.

Browse this ranking by state:

New South Wales Victoria Queensland Western Australia South Australia Tasmania Australian Capital Territory Northern Territory

Highest IRSAD score

#	Suburb	State	Postcode	IRSAD score
1	Tamarama	NSW	2026	1,209
2	Greenhills Beach	NSW	2230	1,205
3	Balgowlah Heights	NSW	2093	1,202
4	Longueville	NSW	2066	1,198
5	Riverview	NSW	2066	1,196
6	Castlecrag	NSW	2068	1,195
7	Roseville Chase	NSW	2069	1,194
8	Dalkeith	WA	6009	1,192
9	Clontarf	NSW	2093	1,189
10	Clovelly	NSW	2031	1,188
11	Milsons Point	NSW	2061	1,188
12	Dover Heights	NSW	2030	1,186
13	Willoughby East	NSW	2068	1,186
14	Millers Point	NSW	2000	1,186
15	Erskineville	NSW	2043	1,185
16	Barton	ACT	2600	1,185
17	Forrest	ACT	2603	1,185
18	Middle Cove	NSW	2068	1,185
19	North Balgowlah	NSW	2093	1,184
20	Point Piper	NSW	2027	1,184
21	Bronte	NSW	2024	1,182
22	Bellevue Hill	NSW	2023	1,181
23	Seaforth	NSW	2092	1,181
24	Northbridge	NSW	2063	1,181
25	Beaconsfield	NSW	2015	1,181

Lowest IRSAD score

#	Suburb	State	Postcode	IRSAD score
1	Gagebrook	TAS	7030	634
2	Milingimbi	NT	0822	638
3	Rocherlea	TAS	7248	643
4	Maningrida	NT	0822	651
5	Ngukurr	NT	0852	652
6	St George Ranges	WA	6728	657
7	Woorabinda	QLD	4713	659
8	Cherbourg	QLD	4605	660
9	Yarrabah	QLD	4871	678
10	Kowanyama	QLD	4871	686
11	Elizabeth South	SA	5112	688
12	Galiwinku	NT	0822	691
13	Wadeye	NT	0822	694
14	Doomadgee	QLD	4830	696
15	Aurukun	QLD	4871	700
16	East Arnhem	NT	0822	704
17	Clarendon Vale	TAS	7019	705
18	Windale	NSW	2306	706
19	Palm Island	QLD	4816	707
20	Bidwill	NSW	2770	713
21	Herdsmans Cove	TAS	7030	718
22	Gunbalanya	NT	0822	718
23	Elizabeth Grove	SA	5112	719
24	Elizabeth Vale	SA	5112	722
25	Wurrumiyanga	NT	0822	724

Ranked from 4,005 eligible suburbs that met the population and data thresholds above. Each suburb links to its full demographic profile.

These tables draw on ABS SEIFA 2021 open data and are recomputed each time the site rebuilds. Figures describe whole suburbs, not individual households, and are a snapshot of the 2021 Census period. For the methodology behind every number, see the data notes.

Page last reviewed June 2026. Source: ABS SEIFA 2021. All suburb rankings.