Trinity Beach - Smithfield · Statistical Area 2 (SA2)

Demographics & Identity in Trinity Beach - Smithfield

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

A population of 16,791 people makes Trinity Beach - Smithfield larger than about 83% of similar areas. The community has grown rapidly, adding 5,891 residents since 2011, while maintaining a typical age of 38 that matches both the state and national figures.

Open map →
📍 Trinity Beach - Smithfield, Statistical Area 2 (SA2)

Where Trinity Beach - Smithfield sits — Total population

16,791 ▲ +54.0%
  • 1–1: 40 areas
  • 1–2: 0 areas
  • 2–3: 0 areas
  • 3–4: 12 areas
  • 4–6: 6 areas
  • 6–9: 9 areas
  • 9–13: 10 areas
  • 13–19: 7 areas
  • 19–27: 17 areas
  • 27–39: 6 areas
  • 39–56: 5 areas
  • 56–81: 4 areas
  • 81–116: 1 area
  • 116–168: 5 areas
  • 168–242: 3 areas
  • 242–349: 4 areas
  • 349–503: 2 areas
  • 503–725: 9 areas
  • 725–1,045: 3 areas
  • 1,045–1,506: 5 areas
  • 1,506–2,171: 31 areas
  • 2,171–3,130: 83 areas
  • 3,130–4,513: 217 areas
  • 4,513–6,507: 318 areas
  • 6,507–9,382: 402 areas
  • 9,382–13,526: 546 areas
  • 13,526–19,501: 496 areas
  • 19,501–28,116: 231 areas

All statistical area 2 (sa2) areas, 2021. The marker is Trinity Beach - Smithfield — higher than 82% of areas.

Total population compared with the state and national average
Trinity Beach - Smithfield16,791
4879, QLD 21,919
Queensland 5,156,138
Australia 25,422,788

Population

How many people, and the typical age.

The total population grew 54% since 2011, reaching 16,791 people. This growth occurred as the typical resident became slightly older, moving from 36 to 38 years old over the decade.

16,791 ▲ +54.0%

Higher than 82% of statistical area 2 (sa2) areas.

  • 2011: 10,900
  • 2016: 13,936
  • 2021: 16,791

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

38 yrs ▲ +5.6%

Younger than 57% of statistical area 2 (sa2) areas.

  • 2011: 36 yrs
  • 2016: 36 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 19.8% of the population, which is higher than most areas. In contrast, seniors aged 65 and over represent only 13.5%, a figure well below the national average of 17.2%.

13.5% ▲ +51.5%

Lower than 72% of statistical area 2 (sa2) areas.

  • 2011: 8.9%
  • 2016: 10.7%
  • 2021: 13.5%

Share of the population aged 65 years and over.

19.8% ▼ -1.4%

Higher than 70% of statistical area 2 (sa2) areas.

  • 2011: 20.1%
  • 2016: 20.4%
  • 2021: 19.8%

Share of the population aged under 15 years.

Age structure

View on map →

Trinity Beach - Smithfield splits fairly evenly between Young adults (25–44) (28%) and Older adults (45–64) (26%), with Children (0–14) at 20%.

Identity & relationships

First Nations identity and marital status.

About 4.8% of residents identify as Aboriginal and Torres Strait Islander, which is much higher than most similar areas. The area also has a very high proportion of people in de facto relationships at 17.8%, well above the Australian figure of 11.5%.

4.8% ▲ +43.5%

Higher than 75% of statistical area 2 (sa2) areas.

  • 2011: 3.3%
  • 2016: 3.7%
  • 2021: 4.8%

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

17.8% ▲ +21.4%

Higher than 90% of statistical area 2 (sa2) areas.

  • 2011: 14.7%
  • 2016: 16.1%
  • 2021: 17.8%

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

Marital status

View on map →

Trinity Beach - Smithfield splits fairly evenly between Married (43%) and Never married (39%), with Divorced at 10%.

Age & sex structure

  • 85+: 85+: 72 males; 85+: 79 females
  • 80–84: 80–84: 106 males; 80–84: 112 females
  • 75–79: 75–79: 222 males; 75–79: 204 females
  • 70–74: 70–74: 346 males; 70–74: 301 females
  • 65–69: 65–69: 396 males; 65–69: 419 females
  • 60–64: 60–64: 483 males; 60–64: 513 females
  • 55–59: 55–59: 553 males; 55–59: 513 females
  • 50–54: 50–54: 521 males; 50–54: 615 females
  • 45–49: 45–49: 572 males; 45–49: 655 females
  • 40–44: 40–44: 588 males; 40–44: 621 females
  • 35–39: 35–39: 542 males; 35–39: 671 females
  • 30–34: 30–34: 582 males; 30–34: 633 females
  • 25–29: 25–29: 483 males; 25–29: 558 females
  • 20–24: 20–24: 492 males; 20–24: 512 females
  • 15–19: 15–19: 564 males; 15–19: 531 females
  • 10–14: 10–14: 616 males; 10–14: 528 females
  • 5–9: 5–9: 639 males; 5–9: 535 females
  • 0–4: 0–4: 489 males; 0–4: 511 females

Sources

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

More for Trinity Beach - Smithfield

Cite this page

Australian Bureau of Statistics. (2021). Demographics & Identity in Trinity Beach - Smithfield [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/306011142/trinity-beach-smithfield/topic/demographics-identity