Macarthur · Federal Electorate

Demographics & Identity in Macarthur

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

Almost half of residents in Macarthur are married, reflecting a community that has grown rapidly to 205,501 people. It is a strikingly young area where the typical resident is just 34. This shift is a major trend, as the typical age has dropped 13 years since 2011.

Open map →
📍 Macarthur, Federal Electorate

Where Macarthur sits — Total population

205,501 ▲ +61.3%
  • 1–2: 3 areas
  • 2–2: 0 areas
  • 2–4: 0 areas
  • 4–6: 0 areas
  • 6–9: 0 areas
  • 9–14: 2 areas
  • 14–21: 1 area
  • 21–33: 0 areas
  • 33–51: 1 area
  • 51–79: 0 areas
  • 79–122: 1 area
  • 122–189: 1 area
  • 189–293: 0 areas
  • 293–453: 0 areas
  • 453–702: 2 areas
  • 702–1,086: 0 areas
  • 1,086–1,681: 1 area
  • 1,681–2,602: 0 areas
  • 2,602–4,028: 2 areas
  • 4,028–6,235: 0 areas
  • 6,235–9,652: 2 areas
  • 9,652–14,940: 2 areas
  • 14,940–23,126: 0 areas
  • 23,126–35,796: 0 areas
  • 35,796–55,409: 0 areas
  • 55,409–85,768: 0 areas
  • 85,768–132,761: 7 areas
  • 132,761–205,501: 144 areas

All federal electorate areas, 2021. The marker is Macarthur — higher than 99% of areas.

Total population compared with the state and national average
Macarthur205,501
Greater Sydney 5,231,147
New South Wales 8,072,163
Australia 25,422,788

Population

How many people, and the typical age.

The population of Macarthur is among the largest for areas of this type, having grown 61% since 2011 to add about 78,084 people.

205,501 ▲ +61.3%

Higher than 99% of federal electorate areas.

  • 2011: 127,417
  • 2016: 162,017
  • 2021: 205,501

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

34 yrs ▼ -27.7%

Younger than 91% of federal electorate areas.

  • 2011: 47 yrs
  • 2016: 34 yrs
  • 2021: 34 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 23.3% of the population, which is well above the state and national figures of 18.2%. This contributes to the area being much younger than most, while the proportion of seniors aged 65 and over has fallen to 11.7%.

11.7% ▼ -50.7%

Lower than 86% of federal electorate areas.

  • 2011: 23.7%
  • 2016: 11.1%
  • 2021: 11.7%

Share of the population aged 65 years and over.

23.3% ▲ +29.2%

Higher than 99% of federal electorate areas.

  • 2011: 18.0%
  • 2016: 22.2%
  • 2021: 23.3%

Share of the population aged under 15 years.

Age structure

View on map →

In Macarthur, the largest group is Young adults (25–44) at 31%, followed by Children (0–14) (23%) and Older adults (45–64) (22%).

Identity & relationships

First Nations identity and marital status.

About 3.8% of the population are Aboriginal and Torres Strait Islander people, which is higher than most areas. Those in de facto relationships make up 9.4%, which is a little below the national figure of 11.5%.

3.8% ▼ -8.1%

Higher than 68% of federal electorate areas.

  • 2011: 4.2%
  • 2016: 3.6%
  • 2021: 3.8%

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

9.4% ▲ +1.5%

Lower than 79% of federal electorate areas.

  • 2011: 9.2%
  • 2016: 9.2%
  • 2021: 9.4%

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

Marital status

View on map →

In Macarthur, the largest group is Married at 50%, followed by Never married (35%) and Divorced (7%).

Age & sex structure

  • 85+: 85+: 654 males; 85+: 1,100 females
  • 80–84: 80–84: 1,185 males; 80–84: 1,338 females
  • 75–79: 75–79: 2,015 males; 75–79: 2,179 females
  • 70–74: 70–74: 3,346 males; 70–74: 3,622 females
  • 65–69: 65–69: 3,970 males; 65–69: 4,510 females
  • 60–64: 60–64: 4,810 males; 60–64: 5,249 females
  • 55–59: 55–59: 5,141 males; 55–59: 5,617 females
  • 50–54: 50–54: 5,377 males; 50–54: 5,469 females
  • 45–49: 45–49: 6,308 males; 45–49: 6,256 females
  • 40–44: 40–44: 7,273 males; 40–44: 6,999 females
  • 35–39: 35–39: 8,579 males; 35–39: 8,921 females
  • 30–34: 30–34: 7,986 males; 30–34: 9,281 females
  • 25–29: 25–29: 7,077 males; 25–29: 7,790 females
  • 20–24: 20–24: 6,576 males; 20–24: 6,368 females
  • 15–19: 15–19: 6,436 males; 15–19: 6,162 females
  • 10–14: 10–14: 7,524 males; 10–14: 7,075 females
  • 5–9: 5–9: 8,278 males; 5–9: 7,962 females
  • 0–4: 0–4: 8,740 males; 0–4: 8,307 females

Sources

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

More for Macarthur

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Macarthur [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/ced/CED125/macarthur/topic/demographics-identity