Rockdale · State Electorate

Demographics & Identity in Rockdale

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

A noticeably younger population than most similar areas defines Rockdale, where the typical resident is 36. The suburb has seen rapid growth over the last decade, adding about 19,077 people to reach a total population of 93,963.

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📍 Rockdale, State Electorate

Where Rockdale sits — Total population

93,963 ▲ +25.5%
  • 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 Rockdale — higher than 89% of areas.

Total population compared with the state and national average
Rockdale93,963
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 grew 25% since 2011, making Rockdale one of the largest areas at this level. Residents are a little younger than the national figure, with a typical age of 36.

93,963 ▲ +25.5%

Higher than 89% of state electorate areas.

  • 2011: 74,886
  • 2016: 86,195
  • 2021: 93,963

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

36 yrs ▼ -2.7%

Younger than 71% of state electorate areas.

  • 2011: 37 yrs
  • 2016: 35 yrs
  • 2021: 36 yrs

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

Age profile

How the population splits across age groups.

Young adults aged 25 to 44 make up the largest group at 35.5%. Children under 15 are well below the state and national figures at 14.7%, a rate that fell 2.3 points since 2011.

15.8% ▲ +1.1%

Lower than 60% of state electorate areas.

  • 2011: 15.6%
  • 2016: 15.2%
  • 2021: 15.8%

Share of the population aged 65 years and over.

14.7% ▼ -13.4%

Lower than 86% of state electorate areas.

  • 2011: 17.0%
  • 2016: 15.6%
  • 2021: 14.7%

Share of the population aged under 15 years.

Age structure

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In Rockdale, the largest group is Young adults (25–44) at 35%, followed by Older adults (45–64) (22%) and Seniors (65+) (16%).

Identity & relationships

First Nations identity and marital status.

Aboriginal and Torres Strait Islander people make up 0.8% of the population, which is much lower than most areas. While 45.7% of residents are married, those in de facto relationships rose to 10.6% since 2011.

0.8% ▲ +30.6%

Lower than 83% of state electorate areas.

  • 2011: 0.6%
  • 2016: 0.7%
  • 2021: 0.8%

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

10.6% ▲ +62.7%

Lower than 73% of state electorate areas.

  • 2011: 6.5%
  • 2016: 8.4%
  • 2021: 10.6%

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

Marital status

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In Rockdale, the largest group is Married at 46%, followed by Never married (38%) and Divorced (8%).

Age & sex structure

  • 85+: 85+: 969 males; 85+: 1,300 females
  • 80–84: 80–84: 966 males; 80–84: 1,270 females
  • 75–79: 75–79: 1,333 males; 75–79: 1,457 females
  • 70–74: 70–74: 1,811 males; 70–74: 1,872 females
  • 65–69: 65–69: 1,813 males; 65–69: 2,033 females
  • 60–64: 60–64: 2,195 males; 60–64: 2,388 females
  • 55–59: 55–59: 2,539 males; 55–59: 2,637 females
  • 50–54: 50–54: 2,673 males; 50–54: 2,903 females
  • 45–49: 45–49: 2,843 males; 45–49: 2,906 females
  • 40–44: 40–44: 3,160 males; 40–44: 2,992 females
  • 35–39: 35–39: 4,104 males; 35–39: 3,960 females
  • 30–34: 30–34: 4,910 males; 30–34: 4,891 females
  • 25–29: 25–29: 4,643 males; 25–29: 4,674 females
  • 20–24: 20–24: 3,567 males; 20–24: 3,212 females
  • 15–19: 15–19: 2,103 males; 15–19: 2,015 females
  • 10–14: 10–14: 2,162 males; 10–14: 2,073 females
  • 5–9: 5–9: 2,268 males; 5–9: 2,158 females
  • 0–4: 0–4: 2,646 males; 0–4: 2,517 females

Sources

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

More for Rockdale

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Rockdale [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sed/SED10072/rockdale/topic/demographics-identity