Killarney Heights · Suburb / Locality

Demographics & Identity in Killarney Heights

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

Families with children define the daily rhythm of Killarney Heights, where 22% of the 4,502 residents are under 15. This is a noticeably older area than the national average, with a typical resident aged 43.

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📍 Killarney Heights, Suburb / Locality

Where Killarney Heights sits — Total population

4,502 ▲ +1.1%
  • 1–1: 689 areas
  • 1–2: 0 areas
  • 2–3: 119 areas
  • 3–5: 108 areas
  • 5–7: 243 areas
  • 7–11: 241 areas
  • 11–16: 514 areas
  • 16–24: 579 areas
  • 24–36: 898 areas
  • 36–53: 1059 areas
  • 53–79: 1168 areas
  • 79–117: 1203 areas
  • 117–174: 1171 areas
  • 174–258: 1010 areas
  • 258–384: 856 areas
  • 384–571: 670 areas
  • 571–850: 616 areas
  • 850–1,263: 567 areas
  • 1,263–1,879: 520 areas
  • 1,879–2,794: 590 areas
  • 2,794–4,154: 679 areas
  • 4,154–6,177: 585 areas
  • 6,177–9,186: 528 areas
  • 9,186–13,659: 405 areas
  • 13,659–20,311: 195 areas
  • 20,311–30,202: 96 areas
  • 30,202–44,910: 33 areas
  • 44,910–66,781: 10 areas

All suburb / locality areas, 2021. The marker is Killarney Heights — higher than 86% of areas.

Total population compared with the state and national average
Killarney Heights4,502
2087, NSW 13,161
New South Wales 8,072,163
Australia 25,422,788

Population

How many people, and the typical age.

The population of 4,502 is larger than about 89% of similar areas. Those living here are typically 43, which is noticeably older than the typical person in New South Wales or Australia.

4,502 ▲ +1.1%

Higher than 86% of suburb / locality areas.

  • 2011: 4,453
  • 2016: 4,469
  • 2021: 4,502

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

43 yrs ▲ +4.9%

Younger than 57% of suburb / locality areas.

  • 2011: 41 yrs
  • 2016: 41 yrs
  • 2021: 43 yrs

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

Age profile

How the population splits across age groups.

A high number of children under 15 live here, at 22%, which is well above the national figure of 18.2%. Meanwhile, the 16.3% of residents aged 65 and over is a little below the state average.

16.3% ▼ -4.5%

Lower than 61% of suburb / locality areas.

  • 2011: 17.0%
  • 2016: 16.7%
  • 2021: 16.3%

Share of the population aged 65 years and over.

22.0% ▼ -10.2%

Higher than 79% of suburb / locality areas.

  • 2011: 24.5%
  • 2016: 23.4%
  • 2021: 22.0%

Share of the population aged under 15 years.

Age structure

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In Killarney Heights, the largest group is Older adults (45–64) at 31%, followed by Children (0–14) (22%) and Seniors (65+) (16%).

Identity & relationships

First Nations identity and marital status.

Married couples are common here at 59.9%, while only 5.5% of people are in de facto relationships, which is well below the national figure. Only 0.4% of residents identify as Aboriginal or Torres Strait Islander, a rate much lower than most areas.

5.5% ▲ +37.4%

Lower than 88% of suburb / locality areas.

  • 2011: 4.0%
  • 2016: 5.1%
  • 2021: 5.5%

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

Marital status

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In Killarney Heights, Married is the majority at 60%; Never married is next at 29%.

Age & sex structure

  • 85+: 85+: 71 males; 85+: 43 females
  • 80–84: 80–84: 57 males; 80–84: 78 females
  • 75–79: 75–79: 57 males; 75–79: 100 females
  • 70–74: 70–74: 71 males; 70–74: 77 females
  • 65–69: 65–69: 90 males; 65–69: 91 females
  • 60–64: 60–64: 118 males; 60–64: 107 females
  • 55–59: 55–59: 196 males; 55–59: 167 females
  • 50–54: 50–54: 181 males; 50–54: 215 females
  • 45–49: 45–49: 198 males; 45–49: 210 females
  • 40–44: 40–44: 134 males; 40–44: 171 females
  • 35–39: 35–39: 79 males; 35–39: 112 females
  • 30–34: 30–34: 46 males; 30–34: 33 females
  • 25–29: 25–29: 63 males; 25–29: 52 females
  • 20–24: 20–24: 148 males; 20–24: 129 females
  • 15–19: 15–19: 218 males; 15–19: 199 females
  • 10–14: 10–14: 243 males; 10–14: 219 females
  • 5–9: 5–9: 169 males; 5–9: 165 females
  • 0–4: 0–4: 101 males; 0–4: 107 females

Sources

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

More for Killarney Heights

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Killarney Heights [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL12138/killarney-heights/topic/demographics-identity