Marian

Marian lies within the top quartile of areas nationally for population growth performance according to AreaSearch analysis of recent, and medium to long-term trends

Based on analysis of Australian Bureau of Statistics (ABS) population updates for the broader area, and new addresses validated by AreaSearch since the Census Marian's population is estimated at around 4,424 as of Nov 2025. This reflects an increase of 200 people from the population reported in the 2021 Census, which was 4,224 people. The change is inferred from the resident population of 4,395 estimated by AreaSearch following examination of the latest ERP data release by the ABS (June 2024) and an additional 8 validated new addresses since the Census date. This level of population equates to a density ratio of 53 persons per square kilometer. Over the past decade, Marian has demonstrated resilient growth patterns with a compound annual growth rate of 1.0%, outpacing the SA3 area. Population growth for the suburb was primarily driven by natural growth that contributed approximately 63.0% of overall population gains during recent periods.

AreaSearch is adopting ABS/Geoscience Australia projections for each SA2 area, as released in 2024 with 2022 as the base year. For any SA2 areas not covered by this data, and for years post-2032, Queensland State Government's SA2 area projections are adopted, released in 2023 and based on 2021 data. Considering the projected demographic shifts, an above median population growth of locations outside of capital cities is projected, with Marian expected to grow by 888 persons to 2041 based on aggregated SA2-level projections, reflecting a total increase of 20.0% over the 17 years.

Residential development activity is lower than average in Marian according to AreaSearch's national comparison of local real estate markets

AreaSearch analysis shows Marian has had approximately 4 residential properties approved each year over the past five financial years, totalling about 23 homes. In FY-26 so far, 3 approvals have been recorded. On average, 11.4 people move to the area annually for each dwelling built between FY-21 and FY-25. This high demand exceeds new supply, typically leading to price growth and increased buyer competition.

New properties are constructed at an average cost of $513,000, in line with broader regional development. In FY-26, there have been $346,000 in commercial approvals, indicating minimal commercial development activity. Marian's building activity is 71.0% below the Rest of Qld average per person and under the national average, suggesting established nature and potential planning limitations. All new construction has been detached dwellings, maintaining Marian's traditional low density character with a focus on family homes. The estimated population per dwelling approval is 802 people.

By 2041, Marian is projected to grow by 884 residents. If current construction levels persist, housing supply may lag population growth, likely intensifying buyer competition and underpinning price growth.

Marian has moderate levels of nearby infrastructure activity, ranking in the top 50% nationally

Changes to local infrastructure significantly impact an area's performance. AreaSearch has identified five projects expected to affect the region. Notable initiatives include Nabilla Meadows Estate, Peak Downs Highway Safety Upgrades from Mackay to Eton, Marian Reservoir Upgrade, and Nell Baker Park Upgrade. The following list outlines those most pertinent.

Professional plan users can use the search below to filter and access additional projects.

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Employment conditions in Marian rank among the top 10% of areas assessed nationally

Marian has a diverse workforce with both white and blue collar jobs, prominent manufacturing and industrial sectors, an unemployment rate of 1.0%, and estimated employment growth of 1.2% in the past year (AreaSearch data). As of June 2025, Marian has 2,407 employed residents, a 2.9% lower unemployment rate than Rest of Qld's 3.9%, and a workforce participation rate of 70.5%.

Key industries include mining, health care & social assistance, and retail trade. Mining is particularly strong with an employment share 5.1 times the regional level. Health care & social assistance has limited presence at 11.1% compared to the regional 16.1%. The area may have limited local job opportunities, indicated by Census working population vs resident population counts.

In the year to June 2025, Marian's employment increased by 1.2%, labour force remained stable, reducing unemployment by 1.2 percentage points. This contrasts with Rest of Qld where employment grew by 1.8%, labour force expanded by 2.0%, and unemployment rose by 0.2%. Jobs and Skills Australia's forecasts from Sep-22 project national employment growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Marian's industry mix suggests local employment could increase by 5.3% in five years and 12.0% in ten years, though this is a simplified extrapolation for illustrative purposes only.

The economic profile demonstrates exceptional strength, placing the area among the top 10% nationally based on comprehensive AreaSearch income analysis

AreaSearch aggregated latest postcode level ATO data for financial year 2022, indicating Marian had a median income among taxpayers of $71,462 and an average income of $86,056. These figures are among the highest in Australia, compared to $50,780 and $64,844 across Rest of Qld respectively. Based on Wage Price Index growth of 13.99% since financial year 2022, estimated incomes as of September 2025 would be approximately $81,460 (median) and $98,095 (average). Census 2021 income data shows Marian's household, family, and personal incomes rank between the 79th and 87th percentiles nationally. The $1,500 - 2,999 income bracket dominates with 35.6% of residents (1,574 people). The district exhibits affluence with 36.9% earning over $3,000 per week, supporting premium retail and service offerings. Housing accounts for 14.3% of income, while strong earnings place residents within the 88th percentile for disposable income. Marian's SEIFA income ranking places it in the 5th decile.

Marian is characterized by a predominantly suburban housing profile, with ownership patterns similar to the broader region

Dwelling structure in Marian, as evaluated at the latest Census, comprised 99.0% houses and 1.0% other dwellings. In comparison, Non-Metro Qld had 85.1% houses and 14.9% other dwellings. Home ownership in Marian was 21.9%, with mortgaged dwellings at 59.8% and rented ones at 18.3%. The median monthly mortgage repayment in Marian was $1,941, higher than Non-Metro Qld's average of $1,733. Median weekly rent in Marian was $400, compared to Non-Metro Qld's $340. Nationally, Marian's mortgage repayments were higher at $1,941 versus the Australian average of $1,863, and rents were also higher at $400 compared to the national figure of $375.

Marian features high concentrations of family households, with a higher-than-average median household size

Family households constitute 87.1% of all households, including 48.0% couples with children, 28.7% couples without children, and 9.1% single parent families. Non-family households comprise the remaining 12.9%, with lone person households at 11.4% and group households comprising 1.9%. The median household size is 3.0 people, larger than the Rest of Qld average of 2.6.

Educational outcomes in Marian fall within the lower quartile nationally, indicating opportunities for improvement in qualification attainment

The area's university qualification rate is 10.3%, significantly lower than the Australian average of 30.4%. This presents both a challenge and an opportunity for targeted educational initiatives. Bachelor degrees are most common at 8.1%, followed by graduate diplomas (1.3%) and postgraduate qualifications (0.9%). Vocational credentials are prominent, with 50.8% of residents aged 15+ holding them - advanced diplomas at 8.4% and certificates at 42.4%.

Educational participation is high, with 36.1% of residents currently enrolled in formal education. This includes 16.9% in primary, 9.9% in secondary, and 2.6% in tertiary education. Marian State School serves the local area, enrolling 456 students as of a recent count. The school focuses exclusively on primary education, with secondary options available in nearby areas. School places per 100 residents (10.3) are below the regional average (17.1), indicating some students may attend schools outside the immediate area.

Transport servicing is very low compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility

Marian has eight active public transport stops, all of which serve buses. These stops are served by a single route collectively offering ten weekly passenger trips. Transport accessibility is limited, with residents typically located 708 meters from the nearest stop.

Service frequency averages one trip per day across all routes, equating to approximately one weekly trip per individual stop.

Marian's residents boast exceedingly positive health performance metrics with younger cohorts in particular seeing very low prevalence of common health conditions

Marian's health outcomes show exceptional results, particularly for younger cohorts who have a very low prevalence of common health conditions. As of 2021, approximately 61% (2,711 people) of Marian's total population has private health cover, which is higher than Rest of Qld's 57.0% and the national average of 55.3%. The most prevalent medical conditions in Marian are asthma and mental health issues, affecting 8.5% and 6.4% of residents respectively.

A total of 75.0% of Marian's residents report being completely free from medical ailments, compared to Rest of Qld's 69.7%. As of 2021, 9.3% (411 people) of Marian's population is aged 65 and over, which is lower than Rest of Qld's 16.2%. While health outcomes among seniors require more attention than the broader population, overall Marian's health outcomes are outstanding.

The latest Census data sees Marian placing among the least culturally diverse areas in the country when compared across a range of language and cultural background related metrics

Marian's population was found to have low cultural diversity, with 89.6% being Australian citizens, 94.1% born in Australia, and 98.5% speaking English only at home. Christianity is the predominant religion in Marian, comprising 53.6% of its population, compared to 56.8% across the rest of Queensland. The top three ancestry groups in Marian are Australian (34.1%), English (29.0%), and Irish (7.6%).

Notably, Maltese (3.5%) and Maori (0.9%) populations were higher than regional averages, while German was slightly lower at 3.9%.

Marian hosts a very young demographic, ranking in the bottom 10% of areas nationwide

Marian's median age is 32 years, which is considerably lower than the Rest of Qld average of 41 and substantially under the Australian median of 38. Compared to Rest of Qld, Marian has a higher concentration of 5 - 14 residents at 17.8%, but fewer 65 - 74 year-olds at 5.9%. This concentration of 5 - 14 residents is well above the national average of 12.2%. Between the 2021 Census and present, the 65 to 74 age group has grown from 5.1% to 5.9% of Marian's population. Conversely, the 45 to 54 cohort has declined from 13.1% to 11.7%, and the 5 to 14 group has dropped from 19.0% to 17.8%. Demographic modeling suggests that Marian's age profile will evolve significantly by 2041. The 25 to 34 cohort is projected to grow by 33%, adding 224 residents to reach 910. Meanwhile, the 15 to 24 group is expected to contract by 16 residents.