Cheltenham · State Electorate

Demographics & Identity in Cheltenham

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

Young adults aged 25 to 44 make up the biggest age group in Cheltenham, where 31% of residents fall into this bracket. This helps explain why the typical resident is 37, making the area noticeably younger than the South Australian average. The population has grown steadily, adding about 4,799 people since 2011.

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📍 Cheltenham, State Electorate

Where Cheltenham sits — Total population

39,078 ▲ +14.0%
  • 1–2: 3 areas
  • 2–2: 0 areas
  • 2–4: 0 areas
  • 4–5: 0 areas
  • 5–8: 0 areas
  • 8–13: 2 areas
  • 13–19: 1 area
  • 19–29: 0 areas
  • 29–44: 1 area
  • 44–68: 0 areas
  • 68–103: 1 area
  • 103–158: 0 areas
  • 158–240: 1 area
  • 240–366: 1 area
  • 366–559: 1 area
  • 559–852: 1 area
  • 852–1,299: 0 areas
  • 1,299–1,980: 1 area
  • 1,980–3,018: 0 areas
  • 3,018–4,602: 2 areas
  • 4,602–7,016: 2 areas
  • 7,016–10,696: 28 areas
  • 10,696–16,307: 5 areas
  • 16,307–24,861: 5 areas
  • 24,861–37,902: 41 areas
  • 37,902–57,783: 150 areas
  • 57,783–88,095: 162 areas
  • 88,095–134,306: 43 areas

All state electorate areas, 2021. The marker is Cheltenham — lower than 78% of areas.

Total population compared with the state and national average
Cheltenham39,078
Greater Adelaide 1,387,290
South Australia 1,781,516
Australia 25,422,788

Population

How many people, and the typical age.

The total population is 39,078 and is smaller than about 76% of similar areas. The typical age of 37 is a little younger than the national figure and has dropped 2 years since 2011.

39,078 ▲ +14.0%

Lower than 78% of state electorate areas.

  • 2011: 34,279
  • 2016: 38,127
  • 2021: 39,078

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

37 yrs ▼ -5.1%

Younger than 64% of state electorate areas.

  • 2011: 39 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 16% of the population, which is much lower than most areas. Similarly, the proportion of people aged 65 and over is 15.7%, a figure well below the South Australian average.

15.7% ▼ -6.2%

Lower than 60% of state electorate areas.

  • 2011: 16.8%
  • 2016: 16.0%
  • 2021: 15.7%

Share of the population aged 65 years and over.

16.0% ▼ -6.8%

Lower than 76% of state electorate areas.

  • 2011: 17.1%
  • 2016: 16.4%
  • 2021: 16.0%

Share of the population aged under 15 years.

Age structure

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In Cheltenham, the largest group is Young adults (25–44) at 31%, followed by Older adults (45–64) (25%) and Children (0–14) (16%).

Identity & relationships

First Nations identity and marital status.

About 2.2% of residents are Aboriginal or Torres Strait Islander, which is about the same as the national figure. Marriage is common at 40.9%, though the share of people in de facto relationships rose to 11.3% since 2011.

11.3% ▲ +32.8%

Lower than 64% of state electorate areas.

  • 2011: 8.5%
  • 2016: 10.3%
  • 2021: 11.3%

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

Marital status

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Cheltenham splits fairly evenly between Married (41%) and Never married (40%), with Divorced at 10%.

Age & sex structure

  • 85+: 85+: 355 males; 85+: 626 females
  • 80–84: 80–84: 328 males; 80–84: 495 females
  • 75–79: 75–79: 450 males; 75–79: 558 females
  • 70–74: 70–74: 720 males; 70–74: 785 females
  • 65–69: 65–69: 872 males; 65–69: 962 females
  • 60–64: 60–64: 1,153 males; 60–64: 1,202 females
  • 55–59: 55–59: 1,228 males; 55–59: 1,272 females
  • 50–54: 50–54: 1,260 males; 50–54: 1,295 females
  • 45–49: 45–49: 1,187 males; 45–49: 1,215 females
  • 40–44: 40–44: 1,202 males; 40–44: 1,229 females
  • 35–39: 35–39: 1,520 males; 35–39: 1,486 females
  • 30–34: 30–34: 1,678 males; 30–34: 1,700 females
  • 25–29: 25–29: 1,661 males; 25–29: 1,650 females
  • 20–24: 20–24: 1,410 males; 20–24: 1,345 females
  • 15–19: 15–19: 1,027 males; 15–19: 971 females
  • 10–14: 10–14: 932 males; 10–14: 998 females
  • 5–9: 5–9: 1,043 males; 5–9: 944 females
  • 0–4: 0–4: 1,204 males; 0–4: 1,122 females

Sources

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

More for Cheltenham

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Cheltenham [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sed/SED40006/cheltenham/topic/demographics-identity