Limestone Coast · Sub-region (SA3)

Demographics & Identity in Limestone Coast

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

A typical resident in the Limestone Coast is 44, making the area noticeably older than both the state and national figures. This ageing trend is clear as the population grew by 6.0% to 66,851 people since 2011. The region is now shaped by a growing number of seniors and a shift toward older age groups.

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📍 Limestone Coast, Sub-region (SA3)

Where Limestone Coast sits — Total population

66,851 ▲ +6.0%
  • 1–2: 3 areas
  • 2–2: 0 areas
  • 2–4: 0 areas
  • 4–6: 0 areas
  • 6–9: 2 areas
  • 9–15: 2 areas
  • 15–23: 1 area
  • 23–37: 0 areas
  • 37–57: 1 area
  • 57–90: 0 areas
  • 90–141: 1 area
  • 141–221: 1 area
  • 221–347: 1 area
  • 347–545: 2 areas
  • 545–854: 3 areas
  • 854–1,340: 0 areas
  • 1,340–2,101: 3 areas
  • 2,101–3,296: 1 area
  • 3,296–5,169: 2 areas
  • 5,169–8,107: 3 areas
  • 8,107–12,714: 7 areas
  • 12,714–19,940: 16 areas
  • 19,940–31,273: 30 areas
  • 31,273–49,048: 61 areas
  • 49,048–76,924: 90 areas
  • 76,924–120,643: 70 areas
  • 120,643–189,211: 46 areas
  • 189,211–296,748: 12 areas

All sub-region (sa3) areas, 2021. The marker is Limestone Coast — higher than 57% of areas.

Total population compared with the state and national average
Limestone Coast66,851
Rest of SA 390,843
South Australia 1,781,516
Australia 25,422,788

Population

How many people, and the typical age.

The total population reached 66,851 people in 2021, which is larger than about 58% of similar areas. The typical person here is 44, which is 6 years older than the Australian average and 4 years older than it was in 2011.

66,851 ▲ +6.0%

Higher than 57% of sub-region (sa3) areas.

  • 2011: 63,077
  • 2016: 64,788
  • 2021: 66,851

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

44 yrs ▲ +10.0%

Older than 75% of sub-region (sa3) areas.

  • 2011: 40 yrs
  • 2016: 42 yrs
  • 2021: 44 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 22.0% of the population, a figure well above the national average of 17.2%. This group rose by 6.2 percentage points since 2011, while the proportion of children under 15 fell by 2.8 percentage points in the same period.

22.0% ▲ +39.3%

Higher than 77% of sub-region (sa3) areas.

  • 2011: 15.8%
  • 2016: 19.2%
  • 2021: 22.0%

Share of the population aged 65 years and over.

17.5% ▼ -13.9%

Lower than 54% of sub-region (sa3) areas.

  • 2011: 20.3%
  • 2016: 19.0%
  • 2021: 17.5%

Share of the population aged under 15 years.

Age structure

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Limestone Coast splits fairly evenly between Older adults (45–64) (27%) and Young adults (25–44) (23%), with Seniors (65+) at 22%.

Identity & relationships

First Nations identity and marital status.

Aboriginal and Torres Strait Islander people make up 2.4% of the population, which is about the same as the South Australian figure. Nearly half of residents are married, while those in de facto relationships rose to 12.6% since 2011.

2.4% ▲ +37.8%

Lower than 53% of sub-region (sa3) areas.

  • 2011: 1.7%
  • 2016: 1.9%
  • 2021: 2.4%

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

12.6% ▲ +17.7%

Higher than 56% of sub-region (sa3) areas.

  • 2011: 10.7%
  • 2016: 11.3%
  • 2021: 12.6%

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

Marital status

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In Limestone Coast, the largest group is Married at 48%, followed by Never married (32%) and Divorced (9%).

Age & sex structure

  • 85+: 85+: 673 males; 85+: 1,078 females
  • 80–84: 80–84: 872 males; 80–84: 1,013 females
  • 75–79: 75–79: 1,266 males; 75–79: 1,419 females
  • 70–74: 70–74: 2,037 males; 70–74: 1,896 females
  • 65–69: 65–69: 2,279 males; 65–69: 2,142 females
  • 60–64: 60–64: 2,318 males; 60–64: 2,354 females
  • 55–59: 55–59: 2,416 males; 55–59: 2,287 females
  • 50–54: 50–54: 2,394 males; 50–54: 2,285 females
  • 45–49: 45–49: 2,010 males; 45–49: 2,000 females
  • 40–44: 40–44: 1,901 males; 40–44: 1,938 females
  • 35–39: 35–39: 1,946 males; 35–39: 1,956 females
  • 30–34: 30–34: 1,980 males; 30–34: 1,791 females
  • 25–29: 25–29: 1,850 males; 25–29: 1,833 females
  • 20–24: 20–24: 1,774 males; 20–24: 1,566 females
  • 15–19: 15–19: 2,034 males; 15–19: 1,840 females
  • 10–14: 10–14: 2,287 males; 10–14: 2,030 females
  • 5–9: 5–9: 1,968 males; 5–9: 1,944 females
  • 0–4: 0–4: 1,721 males; 0–4: 1,745 females

Sources

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

More for Limestone Coast

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Limestone Coast [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa3/40702/limestone-coast/topic/demographics-identity