Black Mountain (Qld)

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According to ABS population updates for the wider region and recent address validations conducted by Districts since the Census, the suburb of Black Mountain (Qld) has a population of approximately 1,644 as of May 2026. This represents a growth of 84 people (5.4%) relative to the 2021 Census, which documented 1,560 people. This shift is derived from the resident population of 1,638, calculated by Districts using the latest ABS ERP data release (June 2025) and an additional 3 validated new addresses since the Census date. The population level equates to a density ratio of 40 persons per square kilometer, indicating plenty of space per individual. Demographic gains in the area were mostly driven by interstate migration, which accounted for roughly 72.0% of overall population increases in recent times, though all growth drivers, including overseas migration and natural growth, remained positive factors.

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Black Mountain is home to a qualified workforce with a strong representation in essential services, and an unemployment rate of just 3.5%, according to Districts aggregations of statistical area statistics. As of March 2026792 residents are employed, which is 0.4% below the Regional Qld unemployment rate of 3.9%, while the labor participation rate is notably lower (59.2% compared to 64.3% in Regional Qld). Census records indicate that a moderate 19.7% of working residents performed their jobs from home, though the influence of Covid-19 restrictions should be kept in mind.

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The most recent postcode-level ATO statistics from Districts for financial year 2023 show that incomes in the suburb of Black Mountain are below the national average, with a median of $44,245 and an average of $60,154. This is lower than the Regional Qld 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 projections estimate these figures at roughly $49,271 (median) and $66,987 (average) as of March 2026. According to the 2021 Census, household incomes rank at the 44th percentile ($1,648 weekly), while individual incomes sit at the 24th percentile. Looking at the income distribution, the largest cohort accounts for 33.7% of residents (554 people) who earn in the $1,500 - 2,999 range, which is comparable to regional patterns where fall into the same bracket. Residents retain of their income for non-housing costs, and the local SEIFA income score falls in the th decile.

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Residential structures in Black Mountain, as of the most recent Census, consisted of 100.0% houses, with no other dwelling types recorded, compared to Regional Qld where houses make up 76.4% and other formats account for 23.6%. The rate of outright home ownership was significantly higher than the Regional Qld average, standing at 47.5%, with the remaining properties being purchased under a mortgage (45.3%) or occupied by renters (7.3%). The median monthly home loan payment was higher than the Regional Qld average of $1,655 at $1,820, while the median weekly rent was $440 compared to the regional figure of $345. On a national level, mortgage costs in Black Mountain are below the Australian average of $1,863, while weekly rents are notably higher than the national average of $375.

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Family units account for 79.9% of all households, consisting of 32.1% couples with children, 41.7% couples without children, and 5.7% single parent households. The remaining 20.1% are non-family households, with single person dwellings making up 17.2% and group houses accounting for 2.8% of the total. The median household size of 2.6 residents is slightly larger than the Regional Qld average of 2.5.

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Educational attainment in Black Mountain is lower than regional averages, with 22.8% of residents aged 15+ holding a university degree compared to 30.4% nationally. This difference suggests room for academic growth and professional skill development. Bachelor degrees are the most common credential at 16.2%, followed by postgraduate qualifications (3.8%) and graduate diplomas (2.8%). Vocational and technical training is highly represented, with 44.9% of residents aged 15+ holding vocational qualifications, including advanced diplomas (14.9%) and certificates (30.0%).

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Health indicators show excellent results in Black Mountain, based on an Districts review of mortality data and the occurrence of chronic conditions, which reveals very low rates of common illnesses across all age brackets, while the rate of private health insurance coverage is relatively low at approximately 51% of the total population (~839 people).

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Black Mountain has lower levels of cultural diversity than average, with 85.4% of the population holding citizenship, 78.0% born in Australia, and 97.8% speaking only English at home. The dominant religious affiliation is Christianity, representing 42.6% of the local population. However, the most pronounced difference in representation is in Judaism, which accounts for none of the population, compared to 0.1% across Regional Qld.

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With a median age of 49 years, the suburb of Black Mountain (Qld) is significantly older than the Regional Qld average of 41 years and the national average of 38 years. The local demographic profile shows a large concentration of 55 - 64 year-olds (17.8%), while the 25 - 34 bracket is smaller (6.3%) than in Regional Qld. This 55 - 64 age bracket is also well above the national share of 11.2%. Since 2021, the 75 to 84 cohort has increased from 6.2% to 7.6% of the population, and the 15 to 24 cohort grew from 8.9% to 10.2%. In contrast, the to cohort fell from to and the to bracket decreased from to . By the suburb of Black Mountain (Qld) is projected to undergo notable shifts in its age structure. Leading these changes, the to cohort is forecast to grow by ( people), rising from to while the to and to brackets are projected to experience population decreases.

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Black Mountain currently has an estimated 78 children under 5 years old, comprising approximately 40 children aged 0-2 and 26 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 19% by 2041 (to approximately 93 children). Meanwhile the 5-12 cohort currently amounts to 148. While growth has been positive birth rates observed in the area have been low, with approximately 7.0 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area among the bottom 20% of areas assessed nationally. This rate has slowed down slightly in recent years however.