19,184 ▲ +51.2%
Higher than 82% of postcode areas.
- 2011: 12,686
- 2016: 14,623
- 2021: 19,184
The number of people who usually live in the area, counted on Census night.
5251, SA · Postcode
Demographics & Identity in 5251, SA
Who lives here — how many people, how old they are, and how communities identify.
A noticeably younger population marks postcode 5251, where the typical resident is 37. This area has grown rapidly, adding about 6,498 people since 2011. It is now larger than about 83% of similar areas.
19,184
▲ +51.2%
- 1–2: 1 area
- 2–2: 0 areas
- 2–4: 0 areas
- 4–5: 2 areas
- 5–8: 3 areas
- 8–12: 2 areas
- 12–19: 2 areas
- 19–29: 12 areas
- 29–44: 19 areas
- 44–67: 35 areas
- 67–102: 30 areas
- 102–155: 70 areas
- 155–237: 97 areas
- 237–360: 129 areas
- 360–549: 158 areas
- 549–836: 168 areas
- 836–1,273: 181 areas
- 1,273–1,938: 179 areas
- 1,938–2,951: 157 areas
- 2,951–4,493: 179 areas
- 4,493–6,842: 176 areas
- 6,842–10,418: 210 areas
- 10,418–15,865: 268 areas
- 15,865–24,158: 254 areas
- 24,158–36,786: 182 areas
- 36,786–56,016: 93 areas
- 56,016–85,299: 28 areas
- 85,299–129,888: 8 areas
All postcode areas, 2021. The marker is 5251, SA — higher than 82% of areas.
| 5251, SA | 19,184 |
|---|---|
| Mount Barker | 39,217 |
| South Australia | 1,781,516 |
| Australia | 25,422,788 |
Population
How many people, and the typical age.
The total population reached 19,184 people in 2021, a 51% increase over the last decade. Residents here are much younger than in most other areas, though the typical age has barely changed since 2011.
37 yrs → 0.0%
Younger than 81% of postcode areas.
- 2011: 37 yrs
- 2016: 38 yrs
- 2021: 37 yrs
Half the population is older than this age, and half younger.
Age profile
How the population splits across age groups.
Children under 15 make up 19.7% of the population, which is much higher than most areas. Seniors aged 65 and over are less common here than in most other places, making up 17.4% of the community.
17.4% ▲ +33.7%
Lower than 63% of postcode areas.
- 2011: 13.0%
- 2016: 16.4%
- 2021: 17.4%
Share of the population aged 65 years and over.
19.7% ▼ -8.3%
Higher than 75% of postcode areas.
- 2011: 21.5%
- 2016: 20.3%
- 2021: 19.7%
Share of the population aged under 15 years.
Age structure
View on map →In 5251, SA, the largest group is Young adults (25–44) at 28%, followed by Older adults (45–64) (23%) and Children (0–14) (20%).
Identity & relationships
First Nations identity and marital status.
Couples in de facto relationships are more common here than in most areas, at 13.7%. About 1.6% of residents identify as Aboriginal and Torres Strait Islander, which is a little below the national figure.
1.6% ▲ +65.6%
Lower than 61% of postcode areas.
- 2011: 0.9%
- 2016: 1.3%
- 2021: 1.6%
Share of people who identify as Aboriginal and/or Torres Strait Islander.
13.7% ▲ +32.0%
Higher than 65% of postcode areas.
- 2011: 10.3%
- 2016: 11.8%
- 2021: 13.7%
Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).
Marital status
View on map →In 5251, SA, the largest group is Married at 46%, followed by Never married (35%) and Divorced (10%).
Age & sex structure
Sources
- Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).
More for 5251, SA
Cite this page
Australian Bureau of Statistics. (2021). Demographics & Identity in 5251, SA [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/poa/POA5251/5251-sa/topic/demographics-identity