Mackay · Sub-region (SA3)

Demographics & Identity in Mackay

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

Nearly 47% of people in Mackay are married, making it the most common relationship status in the area. The population has grown steadily to 121,691 people, and the typical resident is 38 years old. This age is about the same as the state and national figures.

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📍 Mackay, Sub-region (SA3)

Where Mackay sits — Total population

121,691 ▲ +7.9%
  • 1–2: 3 areas
  • 2–2: 0 areas
  • 2–4: 0 areas
  • 4–6: 0 areas
  • 6–9: 2 areas
  • 9–15: 2 areas
  • 15–23: 1 area
  • 23–37: 0 areas
  • 37–57: 1 area
  • 57–90: 0 areas
  • 90–141: 1 area
  • 141–221: 1 area
  • 221–347: 1 area
  • 347–545: 2 areas
  • 545–854: 3 areas
  • 854–1,340: 0 areas
  • 1,340–2,101: 3 areas
  • 2,101–3,296: 1 area
  • 3,296–5,169: 2 areas
  • 5,169–8,107: 3 areas
  • 8,107–12,714: 7 areas
  • 12,714–19,940: 16 areas
  • 19,940–31,273: 30 areas
  • 31,273–49,048: 61 areas
  • 49,048–76,924: 90 areas
  • 76,924–120,643: 70 areas
  • 120,643–189,211: 46 areas
  • 189,211–296,748: 12 areas

All sub-region (sa3) areas, 2021. The marker is Mackay — higher than 84% of areas.

Total population compared with the state and national average
Mackay121,691
Rest of Qld 2,615,036
Queensland 5,156,138
Australia 25,422,788

Population

How many people, and the typical age.

Mackay is larger than about 84% of similar areas. Since 2011, the population grew by 7.9%, adding roughly 8,893 people.

121,691 ▲ +7.9%

Higher than 84% of sub-region (sa3) areas.

  • 2011: 112,798
  • 2016: 114,969
  • 2021: 121,691

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

38 yrs ▲ +5.6%

Younger than 64% of sub-region (sa3) areas.

  • 2011: 36 yrs
  • 2016: 37 yrs
  • 2021: 38 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 20.1% of the area, which is much higher than most other places. Meanwhile, those aged 65 and over represent 15.2%, a figure that is a little below the national average.

15.2% ▲ +41.9%

Lower than 66% of sub-region (sa3) areas.

  • 2011: 10.7%
  • 2016: 13.1%
  • 2021: 15.2%

Share of the population aged 65 years and over.

20.1% ▼ -5.2%

Higher than 77% of sub-region (sa3) areas.

  • 2011: 21.2%
  • 2016: 20.7%
  • 2021: 20.1%

Share of the population aged under 15 years.

Age structure

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Mackay splits fairly evenly between Older adults (45–64) (27%) and Young adults (25–44) (26%), with Children (0–14) at 20%.

Identity & relationships

First Nations identity and marital status.

Aboriginal and Torres Strait Islander people make up 6.2% of the population, which is a little above the national figure and rose 1.8 points since 2011. Those in de facto relationships account for 14.1%, which is much higher than most areas.

14.1% ▲ +9.7%

Higher than 77% of sub-region (sa3) areas.

  • 2011: 12.9%
  • 2016: 13.1%
  • 2021: 14.1%

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

Marital status

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In Mackay, the largest group is Married at 47%, followed by Never married (35%) and Divorced (10%).

Age & sex structure

  • 85+: 85+: 795 males; 85+: 1,179 females
  • 80–84: 80–84: 997 males; 80–84: 1,131 females
  • 75–79: 75–79: 1,683 males; 75–79: 1,766 females
  • 70–74: 70–74: 2,469 males; 70–74: 2,380 females
  • 65–69: 65–69: 3,213 males; 65–69: 2,947 females
  • 60–64: 60–64: 3,958 males; 60–64: 3,706 females
  • 55–59: 55–59: 4,249 males; 55–59: 4,114 females
  • 50–54: 50–54: 4,260 males; 50–54: 4,109 females
  • 45–49: 45–49: 4,013 males; 45–49: 4,014 females
  • 40–44: 40–44: 3,889 males; 40–44: 3,838 females
  • 35–39: 35–39: 4,162 males; 35–39: 4,320 females
  • 30–34: 30–34: 3,815 males; 30–34: 4,145 females
  • 25–29: 25–29: 3,807 males; 25–29: 3,879 females
  • 20–24: 20–24: 3,521 males; 20–24: 3,432 females
  • 15–19: 15–19: 3,810 males; 15–19: 3,598 females
  • 10–14: 10–14: 4,486 males; 10–14: 4,267 females
  • 5–9: 5–9: 4,214 males; 5–9: 4,038 females
  • 0–4: 0–4: 3,864 males; 0–4: 3,639 females

Sources

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

More for Mackay

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Mackay [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa3/31202/mackay/topic/demographics-identity