Mountain Creek · Suburb / Locality

Demographics & Identity in Mountain Creek

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

A younger-than-average population has shaped the growth of Mountain Creek, which now hosts 11,950 residents. The area is notably dominated by families and young adults, while the proportion of seniors remains well below the state and national figures.

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📍 Mountain Creek, Suburb / Locality

Where Mountain Creek sits — Total population

11,950 ▲ +70.3%
  • 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 Mountain Creek — higher than 88% of areas.

Total population compared with the state and national average
Mountain Creek11,950
4557, QLD 20,161
Queensland 5,156,138
Australia 25,422,788

Population

How many people, and the typical age.

With a total population of 11,950, this is one of the largest areas at this level. The typical resident is 37, making Mountain Creek a little younger than both Queensland and Australia.

11,950 ▲ +70.3%

Higher than 88% of suburb / locality areas.

  • 2011: 7,015
  • 2016: 11,254
  • 2021: 11,950

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

37 yrs ▲ +5.7%

Younger than 80% of suburb / locality areas.

  • 2011: 35 yrs
  • 2016: 33 yrs
  • 2021: 37 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 22.4% of the population, which is well above the national figure of 18.2%. This helps explain why the area is much younger than most, as seniors aged 65 and over represent only 11.1% of residents.

11.1% ▲ +18.1%

Lower than 81% of suburb / locality areas.

  • 2011: 9.4%
  • 2016: 8.7%
  • 2021: 11.1%

Share of the population aged 65 years and over.

22.4% ▲ +2.0%

Higher than 81% of suburb / locality areas.

  • 2011: 22.0%
  • 2016: 23.8%
  • 2021: 22.4%

Share of the population aged under 15 years.

Age structure

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Mountain Creek splits fairly evenly between Young adults (25–44) (27%) and Older adults (45–64) (26%), with Children (0–14) at 22%.

Identity & relationships

First Nations identity and marital status.

About 2.3% of residents identify as Aboriginal and Torres Strait Islander, which is a little below the Queensland figure. Those in de facto relationships make up 12.7% of the population, slightly above the national average.

2.3% ▲ +72.3%

Higher than 54% of suburb / locality areas.

  • 2011: 1.3%
  • 2016: 1.8%
  • 2021: 2.3%

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

12.7% ▲ +9.3%

Higher than 54% of suburb / locality areas.

  • 2011: 11.6%
  • 2016: 12.1%
  • 2021: 12.7%

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

Marital status

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In Mountain Creek, the largest group is Married at 48%, followed by Never married (36%) and Divorced (10%).

Age & sex structure

  • 85+: 85+: 32 males; 85+: 51 females
  • 80–84: 80–84: 66 males; 80–84: 54 females
  • 75–79: 75–79: 113 males; 75–79: 131 females
  • 70–74: 70–74: 204 males; 70–74: 199 females
  • 65–69: 65–69: 221 males; 65–69: 240 females
  • 60–64: 60–64: 289 males; 60–64: 319 females
  • 55–59: 55–59: 324 males; 55–59: 377 females
  • 50–54: 50–54: 401 males; 50–54: 452 females
  • 45–49: 45–49: 450 males; 45–49: 540 females
  • 40–44: 40–44: 420 males; 40–44: 491 females
  • 35–39: 35–39: 433 males; 35–39: 491 females
  • 30–34: 30–34: 346 males; 30–34: 416 females
  • 25–29: 25–29: 301 males; 25–29: 354 females
  • 20–24: 20–24: 318 males; 20–24: 343 females
  • 15–19: 15–19: 451 males; 15–19: 447 females
  • 10–14: 10–14: 555 males; 10–14: 521 females
  • 5–9: 5–9: 445 males; 5–9: 480 females
  • 0–4: 0–4: 364 males; 0–4: 312 females

Sources

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

More for Mountain Creek

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Mountain Creek [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sal/SAL32041/mountain-creek/topic/demographics-identity