Kalkallo (Vic.)

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According to investigations of ABS population statistics for the surrounding region, combined with new addresses validated by Districts since the Census, the suburb of Kalkallo has an estimated residency of approximately 10,265 as of May 2026. This marks an expansion of 4,717 people (85.0%) since the 2021 Census, which registered a population of 5,548 people. This shift is calculated from a resident population of 10,023, which Districts estimated after evaluating the ABS June 2025 release of ERP data alongside an additional 1,624 validated new addresses since the Census date. This size of population represents a density ratio of 1,462 persons per square kilometer, exceeding the typical average among national locations evaluated by Districts. The suburb of Kalkallo recorded an 85.0% expansion rate since the 2021 census that outpaced the state (9.3%) and national averages, placing it as a growth leader in the region. Recent population gains were driven mostly by interstate migration, which accounted for roughly of total gains, though all factors including natural growth and overseas migration were positive contributors.

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The suburb of Kalkallo has a well-educated workforce, with diverse sector representation, and an unemployment rate of 4.1%, based on Districts aggregation of statistical area data. As of March 2026, 4,244 residents are in work while the unemployment rate is 0.7% below Greater Melbourne's rate of 4.8%, and workforce participation lags significantly (62.2% compared to Greater Melbourne's 70.2%). Based on Census responses, a moderate 19.4% of residents were found to work from home, though Covid-19 lockdown impacts should be considered.

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According to Districts' aggregation of the latest postcode level ATO data released for financial year 2023, the suburb of Kalkallo had a median income among taxpayers of $51,014 with the average level standing at $58,774. This is below the national average and compares to levels of $57,688 and $75,164 across Greater Melbourne respectively. Based on Wage Price Index growth of 9.62% since financial year 2023, current estimates would be approximately $55,922 (median) and $64,428 (average) as of March 2026. According to 2021 Census figures, household, family and personal incomes in the suburb of Kalkallo cluster around the 69th percentile nationally. Distribution data shows 51.2% of the population (5,255 individuals) fall within the $1,500 - 2,999 income range, mirroring regional levels where 32.8% occupy this bracket. High housing costs consume of income, though strong earnings still place disposable income at the st percentile and the area's SEIFA income ranking places it in the th decile.

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Dwelling structure within the suburb of Kalkallo, as evaluated at the latest Census, comprised 97.7% houses and 2.3% 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 the suburb of Kalkallo was lagging that of Melbourne metro, at 5.1%, with the remainder of dwellings either mortgaged (73.2%) or rented (21.7%). The median monthly mortgage repayment in the area was in line with the Melbourne metro average at $2,000, while the median weekly rent figure was recorded at $400, compared to Melbourne metro's $2,000 and $390. Nationally, the suburb of Kalkallo's mortgage repayments are 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 86.8% of all households, comprising 56.1% couples with children, 20.8% couples without children, and 8.9% single parent families. Non-family households make up the remaining 13.2%, with lone person households at 10.9% and group households comprising 2.2% of the total. The median household size of 3.2 people is larger than the Greater Melbourne average of 2.6.

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Educational attainment in the suburb of Kalkallo significantly surpasses broader benchmarks, with 36.7% of residents aged 15+ holding university qualifications compared to 24.3% in SA3 area and 27.7% in SA4 region. This substantial educational advantage positions the area strongly for knowledge-based opportunities. Bachelor degrees lead at 23.1%, followed by postgraduate qualifications (11.1%) and graduate diplomas (2.5%). Trade and technical skills feature prominently, with 34.1% of residents aged 15+ holding vocational credentials – advanced diplomas (14.8%) and certificates (19.3%).

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Public transport analysis reveals 17 active transport stops operating within the suburb of Kalkallo comprising a mix of buses. These stops are serviced by 2 individual routes, collectively providing 655 weekly passenger trips. Transport accessibility is rated as good, with residents typically located 253 meters from the nearest transport stop. As a primarily residential area, most residents commute outward - car remains the dominant mode at 89%, with 8% by train. Vehicle ownership averages 1.6 per dwelling, above the regional average. Some 19.4% of residents work from home (2021 Census; may reflect COVID-19 conditions).

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The suburb of Kalkallo demonstrates above-average health outcomes, based on Districts' assessment of mortality rates and chronic condition prevalence with both young and old age cohorts seeing low prevalence of common health conditions , and the rate of private health cover found to be relatively low at approximately 50% of the total population (~5,144 people). This compares to 56.7% across Greater Melbourne. The national average is 55.7%.

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The suburb of Kalkallo is among the most culturally diverse areas in the country, with 50.5% of its population born overseas and 62.3% speaking a language other than English at home. The main religion in the suburb of Kalkallo was found to be Christianity, which makes up 32.1% of people in the suburb of Kalkallo. However, the most apparent overrepresentation was in Other, which comprises 26.8% of the population, substantially higher than the Greater Melbourne average of 2.3%.

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At 32 years, the suburb of Kalkallo's median age is materially younger than the Greater Melbourne average of 37 and also significantly lower than the 38-year national average. Relative to Greater Melbourne, the suburb of Kalkallo has a higher concentration of 35 - 44 residents (24.2%) but fewer 55 - 64 year-olds (5.2%). This 35 - 44 concentration is well above the national 14.3%. Post-2021 Census data shows demographic aging is evident with the median age advancing from 30 to 32 years. Key changes show the 35 to 44 age group has grown from 20.5% to 24.2% of the population, while the 5 to cohort increased from to . Conversely, the to cohort has declined from to and the to group dropped from to . Demographic modeling suggests the suburb of Kalkallo's age profile will evolve significantly by . The to cohort shows the strongest projected growth at , adding residents to reach .

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Kalkallo currently has an estimated 1,139 children under 5 years old, comprising approximately 664 children aged 0-2 and 443 children aged 3-4. This cohort grew by an estimated 44% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 29% by 2041 (to approximately 1,474 children). Meanwhile the 5-12 cohort currently amounts to 1,531. Recent growth has been driven by high birth rates observed in the area, with approximately 27.4 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area among the top 20% of areas assessed nationally.