Leppington · Suburb / Locality

Demographics & Identity in Leppington

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

A typical resident in Leppington is just 32, making it one of the youngest areas in the region. This youthfulness is driven by a large number of children and young adults, creating a community feel that is noticeably younger than the rest of New South Wales.

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📍 Leppington, Suburb / Locality

Where Leppington sits — Total population

9,423 ▲ +295.4%
  • 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 Leppington — higher than 87% of areas.

Total population compared with the state and national average
Leppington9,423
2179, NSW 16,262
New South Wales 8,072,163
Australia 25,422,788

Population

How many people, and the typical age.

Leppington has grown into one of the largest areas of its type, with a total population of 9,423 people.

9,423 ▲ +295.4%

Higher than 87% of suburb / locality areas.

  • 2011: 2,383
  • 2016: 3,498
  • 2021: 9,423

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

32 yrs ▼ -20.0%

Younger than 91% of suburb / locality areas.

  • 2011: 40 yrs
  • 2016: 35 yrs
  • 2021: 32 yrs

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

Age profile

How the population splits across age groups.

The area is heavily skewed toward young families, with children under 15 making up 25.6% of the population, which is well above the national figure of 18.2%. This explains why the senior population is much lower than most areas at just 11%.

11.0% ▼ -38.5%

Lower than 81% of suburb / locality areas.

  • 2011: 18.0%
  • 2016: 15.0%
  • 2021: 11.0%

Share of the population aged 65 years and over.

25.6% ▲ +37.2%

Higher than 89% of suburb / locality areas.

  • 2011: 18.7%
  • 2016: 21.2%
  • 2021: 25.6%

Share of the population aged under 15 years.

Age structure

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In Leppington, the largest group is Young adults (25–44) at 37%, followed by Children (0–14) (26%) and Older adults (45–64) (17%).

Identity & relationships

First Nations identity and marital status.

Most residents are married, with 60.3% of people in this status, while those in de facto relationships are at 7.8%, which is well below the Australian figure of 11.5%. Aboriginal and Torres Strait Islander people make up 1.5% of the population, a little below the state and national figures.

1.5% ▲ +226.6%

Lower than 54% of suburb / locality areas.

  • 2011: 0.5%
  • 2016: 1.6%
  • 2021: 1.5%

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

7.8% ▲ +88.2%

Lower than 80% of suburb / locality areas.

  • 2011: 4.1%
  • 2016: 6.1%
  • 2021: 7.8%

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

Marital status

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In Leppington, Married is the majority at 60%; Never married is next at 28%.

Age & sex structure

  • 85+: 85+: 29 males; 85+: 39 females
  • 80–84: 80–84: 66 males; 80–84: 56 females
  • 75–79: 75–79: 103 males; 75–79: 120 females
  • 70–74: 70–74: 149 males; 70–74: 175 females
  • 65–69: 65–69: 137 males; 65–69: 163 females
  • 60–64: 60–64: 158 males; 60–64: 174 females
  • 55–59: 55–59: 186 males; 55–59: 187 females
  • 50–54: 50–54: 206 males; 50–54: 185 females
  • 45–49: 45–49: 252 males; 45–49: 229 females
  • 40–44: 40–44: 385 males; 40–44: 309 females
  • 35–39: 35–39: 467 males; 35–39: 465 females
  • 30–34: 30–34: 484 males; 30–34: 602 females
  • 25–29: 25–29: 351 males; 25–29: 410 females
  • 20–24: 20–24: 222 males; 20–24: 252 females
  • 15–19: 15–19: 217 males; 15–19: 228 females
  • 10–14: 10–14: 295 males; 10–14: 301 females
  • 5–9: 5–9: 376 males; 5–9: 384 females
  • 0–4: 0–4: 536 males; 0–4: 517 females

Sources

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

More for Leppington

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Leppington [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL12314/leppington/topic/demographics-identity