Trinity Beach (Qld)

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According to investigations of ABS demographic updates for the wider region, alongside new addresses validated by Districts since the Census, the resident count for the suburb of Trinity Beach is projected to be approximately 7,689 as of May 2026. This represents a growth of 1,095 people (16.6%) from the 2021 Census, when the recorded count was 6,594 individuals. This shift is calculated from a resident population of 7,679, estimated by Districts using the most recent ABS ERP dataset release (June 2025) plus an extra 244 validated new addresses since the Census date. Such a population size results in a density of 1,285 persons per square kilometer, exceeding the typical figure for national locations analyzed by Districts. The suburb of Trinity Beach's 16.6% expansion since the 2021 census was greater than the SA4 region (7.5%), as well as the Rest of Qld, positioning it as a growth frontrunner in the territory. Demographic gains in the locality were chiefly propelled by interstate migration, which accounted for roughly of all population increases in recent times, though all growth elements, including international migration and natural increase, were positive contributors.

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Trinity Beach boasts a qualified labor force with strong representation in critical service sectors, and an unemployment rate of only 2.1%, according to Districts aggregations of local statistical data. As of March 2026, there are 4,110 working residents, while the jobless rate is 1.8% below the Regional Qld level of 3.9%, and participation matches Regional Qld's 64.3% closely. Based on Census data, a moderate 18.6% of residents worked from home, though the influence of Covid-19 restrictions must be kept in mind.

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The suburb of Trinity Beach has a median taxpayer income of $54,162 and an average of $65,694, based on the latest postcode-level ATO data compiled by Districts for financial year 2023. This sits slightly below the national average, contrasting with Regional Qld's median income of $53,146 and average income of $66,593. Factoring in Wage Price Index growth of 11.36% since financial year 2023, current estimates would be roughly $60,315 (median) and $73,157 (average) as of March 2026. According to Census 2021 findings, individual incomes rank at the 62nd percentile ($871 weekly), whereas household incomes are at the 46th percentile. Looking at income ranges, the largest group comprises 34.6% of residents (2,660 people) in the $1,500 - 2,999 bracket, resembling regional proportions where fall into this category. Housing cost burdens are high, leaving just of income free, placing it in the th percentile, and the local SEIFA income index sits in the th decile.

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Residential property types in Trinity Beach, as recorded in the most recent Census, consisted of 69.0% separate houses and 31.0% alternative homes (semi-detached, units, 'other' structures), compared to Regional Qld's split of 76.4% houses and 23.6% other options. Similarly, the rate of home ownership in Trinity Beach was below the regional level at 27.3%, with the remaining properties either mortgaged (41.0%) or rented (31.8%). The median monthly home loan payment locally was higher than the Regional Qld average at $1,712, while the median weekly rental cost stood at $380, compared to Regional Qld figures of $1,655 and $345. On a national level, Trinity Beach's mortgage payments are below the Australian average of $1,863, while rent costs exceed the national benchmark of $375.

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Families make up the majority of households at 70.7%, consisting of 26.2% couples with children, 32.1% couples without children, and 11.4% single parents. Non-family households account for the remaining 29.3%, with single person homes at 25.0% and group housing making up 4.6%. The median household occupancy of 2.4 people is slightly below the Regional Qld average of 2.5.

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The educational profile of the area is distinct within the region, with university degree rates (27.1% of residents aged 15+) higher than the Rest of Qld average of 20.6% and the SA4 region (21.1%), showing a strong focus on tertiary education. Bachelor degrees are the most common at 18.1%, followed by postgraduate degrees (5.8%) and graduate diplomas (3.2%). Vocational and technical skills are also highly represented, with 41.6% of residents aged 15+ holding a trade qualification, comprising advanced diplomas (13.8%) and certificates (27.8%).

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Public transit assessment shows 24 active stops operating in Trinity Beach, consisting of bus services. These locations are connected by 3 separate routes, providing a total of 559 passenger services each week. Access to transit is classified as good, with locals generally living 244 meters from the nearest stop. Being a mainly residential suburb, the majority of workers travel out of the area, with private cars remaining the primary travel mode at 90%. Vehicle ownership averages 1.3 per household, which is below the regional norm. Around 18.6% of workers work from home (2021 Census; potentially influenced by COVID-19 rules).

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Trinity Beach exhibits favorable health profiles, according to Districts' analysis of mortality figures and long-term health issues, with both youth and senior groups showing low occurrences of standard health conditions, and the rate of private health insurance slightly exceeding the average SA2 area at roughly 53% of the total population (~4,092 people).

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Trinity Beach exhibits a higher degree of cultural variety than average, with 11.2% of its population speaking a non-English language at home and 29.0% born in another country. The main religious affiliation is Christianity, encompassing 42.5% of residents. However, the most distinct overrepresentation is observed in Judaism, which accounts for 0.3% of the population compared to 0.1% across Regional Qld.

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The median age of 42 years in Trinity Beach is very close to the Regional Qld average of 41, and sits well above the national median of 38. Compared to the Regional Qld standard, the 55 - 64 age group is noticeably larger (14.8% locally), while the 15 - 24 cohort is smaller (9.3%). Since the 2021 Census, the 75 to 84 bracket has increased from 4.6% to 5.7% of the population. In contrast, the 5 to 14 cohort decreased from 13.4% to 12.2%. Demographic projections for 2041 suggest notable shifts for Trinity Beach. The 25 to 34 age bracket is expected to grow significantly, increasing by 431 people () from to . Meanwhile, the to bracket shows much smaller growth of , adding only residents.

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Trinity Beach currently has an estimated 407 children under 5 years old, comprising approximately 266 children aged 0-2 and 176 children aged 3-4. This cohort grew by an estimated 26% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 27% by 2041 (to approximately 518 children). Meanwhile the 5-12 cohort currently amounts to 775. While growth has been positive birth rates observed in the area have been moderate, with approximately 11.1 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area within the middle tier nationally. This rate has slowed down slightly in recent years however.