Heidelberg Heights (Vic.)

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According to evaluations of ABS demographic updates for the surrounding region, and recent address validations by Districts since the Census, the suburb of Heidelberg Heights has a population calculated at approximately 6,343 in May 2026. This represents a reduction of 415 people (6.1%) from the 2021 Census, which documented a population of 6,758 people. The shift is calculated from a resident population of 6,217, estimated by Districts using the most recent ABS ERP statistics (June 2025) and an extra 336 validated new addresses since the Census date. This level of population translates to a density ratio of 3,034 persons per square kilometer, placing the locality in the highest quartile of national areas analysed by Districts. Growth in the suburb of Heidelberg Heights was mainly driven by net overseas migration, which made up roughly 67.0% of all population increases during recent times, though other components including natural growth and interstate migration were positive factors.

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Heidelberg Heights possesses a highly educated workforce, with professional services showing strong representation, and an unemployment rate of 8.1%, based on Districts aggregation of statistical area data. As of March 2026, 3,251 residents are in work while the unemployment rate is 3.4% above Greater Melbourne's rate of 4.8%, showing room for improvement, and workforce participation is broadly similar to Greater Melbourne's 70.2%. Based on Census responses, a high 34.6% of residents were found to work from home, though Covid-19 lockdown impacts should be considered.

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As per Districts' latest postcode level ATO data released for financial year 2023, the suburb of Heidelberg Heights's median income among taxpayers is $64,124, with an average of $78,522. This is well above average nationally, and compares to Greater Melbourne's median of $57,688 and average of $75,164. Based on Wage Price Index growth of 9.62% since financial year 2023, current estimates would be approximately $70,293 (median) and $86,076 (average) as of March 2026. Census data reveals personal income ranks at the 70th percentile ($923 weekly), while household income sits at the 54th percentile. Distribution data shows the $1,500 - 2,999 earnings band captures 34.1% of the community (2,162 individuals), aligning with the broader area where this cohort likewise represents . High housing costs consume of income, though strong earnings still place disposable income at the nd percentile and the area's SEIFA income ranking places it in the th decile.

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Dwelling structure within Heidelberg Heights, as evaluated at the latest Census, comprised 61.9% houses and 38.1% other dwellings (semi-detached, apartments, 'other' dwellings), in comparison to Melbourne metro's 67.9% houses and 32.1% other dwellings. Meanwhile, the level of home ownership within Heidelberg Heights was lagging that of Melbourne metro, at 24.3%, with the remainder of dwellings either mortgaged (32.9%) or rented (42.8%). The median monthly mortgage repayment in the area was above the Melbourne metro average at $2,167, while the median weekly rent figure was recorded at $381, compared to Melbourne metro's $2,000 and $390. Nationally, Heidelberg Heights's mortgage repayments are significantly higher than the Australian average of $1,863, while rents are exceeding the national figure of $375.

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Family households dominate at 62.5% of all households, comprising 24.7% couples with children, 23.8% couples without children, and 12.3% single parent families. Non-family households make up the remaining 37.5%, with lone person households at 30.8% and group households comprising 6.6% of the total. The median household size of 2.3 people is smaller than the Greater Melbourne average of 2.6.

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Educational attainment in Heidelberg Heights significantly surpasses broader benchmarks, with 43.8% of residents aged 15+ holding university qualifications compared to 30.4% in Australia and 32.8% in SA4 region. This substantial educational advantage positions the area strongly for knowledge-based opportunities. Bachelor degrees lead at 27.1%, followed by postgraduate qualifications (12.2%) and graduate diplomas (4.5%). Trade and technical skills feature prominently, with 25.2% of residents aged 15+ holding vocational credentials – advanced diplomas (10.4%) and certificates (14.8%).

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Public transport systems feature 40 active transport stops within the suburb of Heidelberg Heights, comprising a mix of buses. These facilities are serviced by 10 individual routes, which combine to support 2,820 weekly passenger trips. Transport accessibility is rated as excellent, with residents typically located 152 meters from their nearest transport stop. As a primarily residential area, most residents commute outward - car remains the dominant mode at 82%, with 6% by train. Vehicle ownership averages 1.1 per dwelling, below the regional average. A high 34.6% of residents work from home (2021 Census; may reflect COVID-19 conditions).

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Health indicators suggest below-average outcomes in Heidelberg Heights, based on Districts' assessment of mortality rates and chronic condition prevalence with the level of common health conditions among the general population somewhat typical, though higher than the nation's average among older cohorts , and the rate of private health cover found to be very high at approximately 58% of the total population (~3,666 people).

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Heidelberg Heights was found to be more culturally diverse than the vast majority of local markets, with 30.6% of its population born overseas and 30.0% speaking a language other than English at home. The main religion in Heidelberg Heights was found to be Christianity, which makes up 41.7% of people in Heidelberg Heights. However, the most apparent overrepresentation was in Islam, which comprises 7.5% of the population, compared to 5.6% across Greater Melbourne.

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At 34 years, Heidelberg Heights's median age is somewhat lower than the Greater Melbourne average of 37 similarly considerably younger than Australia's 38 years. Relative to Greater Melbourne, Heidelberg Heights has a higher concentration of 25 - 34 residents (21.4%) but fewer 15 - 24 year-olds (10.3%). This 25 - 34 concentration is well above the national 14.6%. Since the 2021 Census, the 35 to 44 age group has grown from 15.9% to 17.7% of the population. Conversely, the 45 to 54 cohort has declined from 11.7% to 10.2%. Population forecasts for 2041 indicate substantial demographic changes for Heidelberg Heights. The to cohort shows the strongest projected growth at , adding residents to reach .

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Heidelberg Heights currently has an estimated 437 children under 5 years old, comprising approximately 254 children aged 0-2 and 169 children aged 3-4. This cohort declined by an estimated 0% since the previous census. though population forecasts indicate future growth, with an anticipated increase of 45% by 2041 (to approximately 632 children). Meanwhile the 5-12 cohort currently amounts to 492. Birth rates in the area have averaged 17.1 per 1,000 residents over the latest two-year period, a high rate (among the top 20% of areas assessed nationally).