Australian 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 1,000.

Browse this ranking by state:

New South WalesVictoriaQueenslandWestern AustraliaSouth AustraliaTasmaniaAustralian Capital TerritoryNorthern Territory

Oldest by median age

#SuburbStatePostcodeMedian age
1 Tea Gardens NSW 2324 69
2 Bongaree QLD 4507 67
3 Goolwa SA 5214 67
4 Laurieton NSW 2443 67
5 West Haven NSW 2443 67
6 Encounter Bay SA 5211 66
7 Goolwa North SA 5214 66
8 Tin Can Bay QLD 4580 65
9 Harrington NSW 2427 64
10 Burrum Heads QLD 4659 64
11 Mccracken SA 5211 64
12 Sorrento VIC 3943 64
13 Woodgate QLD 4660 64
14 Chain Valley Bay NSW 2259 63
15 Kew NSW 2439 63
16 Fingal Bay NSW 2315 63
17 Flinders VIC 3929 63
18 Loch Sport VIC 3851 63
19 Dunbogan NSW 2443 63
20 Iluka NSW 2466 62
21 Chinderah NSW 2487 62
22 Queenscliff VIC 3225 62
23 Augusta WA 6290 62
24 Port Broughton SA 5522 62
25 Goolwa South SA 5214 62

Youngest by median age

#SuburbStatePostcodeMedian age
1 Acton ACT 2601 19
2 Callaghan NSW 2308 20
3 Hmas Cerberus VIC 3920 21
4 Murray QLD 4814 22
5 Cherbourg QLD 4605 23
6 Woorabinda QLD 4713 23
7 Crawley WA 6009 24
8 Puckapunyal VIC 3662 24
9 St Lucia QLD 4067 25
10 Yarrabilba QLD 4207 25
11 Forest Hill NSW 2651 25
12 Yarrabah QLD 4871 25
13 Galiwinku NT 0822 25
14 Doomadgee QLD 4830 25
15 Bamaga QLD 4876 25
16 St George Ranges WA 6728 25
17 Ngukurr NT 0852 25
18 Douglas QLD 4354 26
19 Parkville VIC 3052 26
20 Keiraville NSW 2500 26
21 Redbank Plains QLD 4301 27
22 Carlton VIC 3053 27
23 Munno Para West SA 5115 27
24 Logan Reserve QLD 4133 27
25 Waurn Ponds VIC 3216 27

Ranked from 4,010 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 . Source: ABS 2021 Census. All suburb rankings.