Modbury Heights · Statistical Area 2 (SA2)

Demographics & Identity in Modbury Heights

Who lives here — how many people, how old they are, and how communities identify.

More people live in Modbury Heights than in about 90% of similar areas, making it a significant residential hub. The community is noticeably older than the national figure, with the typical resident now 41 years old. This ageing trend is most evident in the senior population, which has grown quickly over the last decade.

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📍 Modbury Heights, Statistical Area 2 (SA2)

Where Modbury Heights sits — Total population

19,248 ▲ +1.6%
  • 1–1: 40 areas
  • 1–2: 0 areas
  • 2–3: 0 areas
  • 3–4: 12 areas
  • 4–6: 6 areas
  • 6–9: 9 areas
  • 9–13: 10 areas
  • 13–19: 7 areas
  • 19–27: 17 areas
  • 27–39: 6 areas
  • 39–56: 5 areas
  • 56–81: 4 areas
  • 81–116: 1 area
  • 116–168: 5 areas
  • 168–242: 3 areas
  • 242–349: 4 areas
  • 349–503: 2 areas
  • 503–725: 9 areas
  • 725–1,045: 3 areas
  • 1,045–1,506: 5 areas
  • 1,506–2,171: 31 areas
  • 2,171–3,130: 83 areas
  • 3,130–4,513: 217 areas
  • 4,513–6,507: 318 areas
  • 6,507–9,382: 402 areas
  • 9,382–13,526: 546 areas
  • 13,526–19,501: 496 areas
  • 19,501–28,116: 231 areas

All statistical area 2 (sa2) areas, 2021. The marker is Modbury Heights — higher than 88% of areas.

Total population compared with the state and national average
Modbury Heights19,248
5092, SA 18,288
South Australia 1,781,516
Australia 25,422,788

Population

How many people, and the typical age.

The population grew by 1.6% since 2011, adding about 296 people to reach a total of 19,248. Residents are generally older than those across Australia, with the typical age rising by two years since 2011.

19,248 ▲ +1.6%

Higher than 88% of statistical area 2 (sa2) areas.

  • 2011: 18,952
  • 2016: 18,899
  • 2021: 19,248

The number of people who usually live in the area, counted on Census night.

41 yrs ▲ +5.1%

Older than 57% of statistical area 2 (sa2) areas.

  • 2011: 39 yrs
  • 2016: 40 yrs
  • 2021: 41 yrs

Half the population is older than this age, and half younger.

Age profile

How the population splits across age groups.

Seniors aged 65 and over make up 19.2% of the population, a figure that rose by 8.1 percentage points since 2011. This group is now a little above the national figure, while the proportion of children under 15 remains around the middle for similar areas.

19.2% ▲ +72.6%

Higher than 61% of statistical area 2 (sa2) areas.

  • 2011: 11.1%
  • 2016: 15.4%
  • 2021: 19.2%

Share of the population aged 65 years and over.

17.8% ▲ +0.3%

Lower than 51% of statistical area 2 (sa2) areas.

  • 2011: 17.7%
  • 2016: 17.7%
  • 2021: 17.8%

Share of the population aged under 15 years.

Age structure

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Modbury Heights splits fairly evenly between Older adults (45–64) (27%) and Young adults (25–44) (25%), with Seniors (65+) at 19%.

Identity & relationships

First Nations identity and marital status.

Most residents are married (52.6%), while those in de facto relationships make up 9.0%, which is much lower than most areas. About 1.5% of the population are Aboriginal and Torres Strait Islander people, a figure slightly below the national average.

1.5% ▲ +73.0%

Lower than 62% of statistical area 2 (sa2) areas.

  • 2011: 0.8%
  • 2016: 1.0%
  • 2021: 1.5%

Share of people who identify as Aboriginal and/or Torres Strait Islander.

9.0% ▲ +6.3%

Lower than 79% of statistical area 2 (sa2) areas.

  • 2011: 8.4%
  • 2016: 8.8%
  • 2021: 9.0%

Share of people aged 15+ who are in a de facto marriage (registered marriages excluded).

Marital status

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In Modbury Heights, Married is the majority at 53%; Never married is next at 30%.

Age & sex structure

  • 85+: 85+: 122 males; 85+: 176 females
  • 80–84: 80–84: 156 males; 80–84: 200 females
  • 75–79: 75–79: 292 males; 75–79: 298 females
  • 70–74: 70–74: 568 males; 70–74: 546 females
  • 65–69: 65–69: 628 males; 65–69: 702 females
  • 60–64: 60–64: 612 males; 60–64: 691 females
  • 55–59: 55–59: 609 males; 55–59: 730 females
  • 50–54: 50–54: 593 males; 50–54: 649 females
  • 45–49: 45–49: 593 males; 45–49: 619 females
  • 40–44: 40–44: 662 males; 40–44: 651 females
  • 35–39: 35–39: 689 males; 35–39: 705 females
  • 30–34: 30–34: 526 males; 30–34: 584 females
  • 25–29: 25–29: 536 males; 25–29: 493 females
  • 20–24: 20–24: 591 males; 20–24: 524 females
  • 15–19: 15–19: 544 males; 15–19: 522 females
  • 10–14: 10–14: 629 males; 10–14: 579 females
  • 5–9: 5–9: 614 males; 5–9: 606 females
  • 0–4: 0–4: 542 males; 0–4: 456 females

Sources

  • Census of Population and Housing — Australian Bureau of Statistics, 2021 (CC BY 4.0).

More for Modbury Heights

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Modbury Heights [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/402051053/modbury-heights/topic/demographics-identity