New South Wales suburbs by median age

Ranked by median age, from ABS 2021 Census. Highest and lowest suburbs, each linking to its full profile.

Median age of usual residents at the 2021 Census, for suburbs with a population of at least 500.

See the national ranking for median age.

Oldest by median age

#	Suburb	State	Postcode	Median age
1	Worrowing Heights	NSW	2540	77
2	Gilead	NSW	2560	74
3	Tea Gardens	NSW	2324	69
4	Fullerton Cove	NSW	2318	69
5	Kincumber South	NSW	2251	68
6	Laurieton	NSW	2443	67
7	West Haven	NSW	2443	67
8	Hastings Point	NSW	2489	67
9	Lake Conjola	NSW	2539	66
10	Arrawarra	NSW	2456	66
11	Black Head	NSW	2430	65
12	Harrington	NSW	2427	64
13	Pearl Beach	NSW	2256	64
14	Chain Valley Bay	NSW	2259	63
15	Kew	NSW	2439	63
16	Fingal Bay	NSW	2315	63
17	Dunbogan	NSW	2443	63
18	Tuncurry	NSW	2428	62
19	Tuross Head	NSW	2537	62
20	Iluka	NSW	2466	62
21	Chinderah	NSW	2487	62
22	Wallaga Lake	NSW	2546	62
23	Millingandi	NSW	2549	62
24	Denhams Beach	NSW	2536	61
25	Wooli	NSW	2462	61

Youngest by median age

#	Suburb	State	Postcode	Median age
1	Callaghan	NSW	2308	20
2	Singleton Military Area	NSW	2331	21
3	Forest Hill	NSW	2651	25
4	Yanco	NSW	2703	25
5	Keiraville	NSW	2500	26
6	Darlington	NSW	2008	27
7	Cliftleigh	NSW	2321	27
8	Boorooma	NSW	2650	27
9	Chippendale	NSW	2008	28
10	Birmingham Gardens	NSW	2287	28
11	Claymore	NSW	2559	28
12	Gobbagombalin	NSW	2650	28
13	Airds	NSW	2560	29
14	Gwynneville	NSW	2500	29
15	Old Guildford	NSW	2161	29
16	Kembla Grange	NSW	2526	29
17	Mascot	NSW	2020	30
18	Oran Park	NSW	2570	30
19	Zetland	NSW	2017	30
20	Jordan Springs	NSW	2747	30
21	Wolli Creek	NSW	2205	30
22	Spring Farm	NSW	2570	30
23	Gregory Hills	NSW	2557	30
24	Haymarket	NSW	2000	30
25	Ultimo	NSW	2007	30

Ranked from 1,576 eligible suburbs that met the population and data thresholds above. Each suburb links to its full demographic profile.

These tables draw on ABS 2021 Census 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 2021 Census. All suburb rankings.