Reservoir (Vic.)

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According to evaluations of ABS demographic releases for the wider region, alongside updated addresses verified by Districts since the Census, the suburb of Reservoir (Vic.) has an estimated residency of 55,353 individuals in May 2026. This represents a growth of 4,257 people (8.3%) compared to the 2021 Census, which documented 51,096 residents. This shift is calculated from a resident population of 55,194, calculated by Districts using the most recent ABS ERP statistics from June 2025 and 1,041 validated new addresses registered since the Census date. With this population level, the density stands at 2,908 persons per square kilometer, placing the locality in the top quartile of Australian settings analyzed by Districts. The 8.3% expansion rate since the census in the suburb of Reservoir (Vic.) is within 1.0 percentage points of the state level of 9.3%, indicating solid growth dynamics. Overseas migration was the primary driver of this demographic expansion, accounting for approximately 86.0% of the total population gains in recent times.

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Reservoir has a highly educated workforce with strong representation in essential services, showing an unemployment rate of 6.1% and a 1.4% expansion in local employment over the past year, according to Districts' compilation of regional statistical data. In March 2026, there were 29,846 employed residents, although the unemployment rate is 1.3% higher than the Greater Melbourne average of 4.8%, and the participation rate is slightly below average at 67.5% compared to Greater Melbourne's 70.2%. Census data indicates that a high proportion of residents, 31.5%, worked from home, though this may have been influenced by COVID-19 restrictions.

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Based on Districts' compilation of the most recent postcode-level ATO statistics released for the financial year 2023, taxpayers in the suburb of Reservoir recorded a median income of $53,824 and an average income of $63,737. These figures are below the national averages and compare to $57,688 (median) and $75,164 (average) across Greater Melbourne. Factoring in Wage Price Index growth of 9.62% since the financial year 2023, current estimates for March 2026 are approximately $59,002 for the median and $69,868 for the average. According to the 2021 Census, household, family, and individual incomes are all relatively low in Reservoir, positioning between the 37th and 37th percentiles. The largest income group comprises 32.2% of residents (17,823 people) earning between $1,500 and $2,999, which aligns with regional patterns where fall into this bracket. Financial pressures from housing are high, with only of income left after housing costs, ranking in the th percentile, while the area's SEIFA income index ranks in the th decile.

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The mix of housing in Reservoir at the time of the latest Census was 63.2% detached houses and 36.8% other options such as semi-detached homes, apartments, and alternative dwellings, compared to Greater Melbourne's breakdown of 67.9% houses and 32.1% other dwellings. Home ownership in Reservoir matched the metropolitan average of 32.1%, while the remaining properties were either mortgaged (30.2%) or rented (37.8%). The median monthly mortgage payment in the locality was $1,986, which is lower than the metropolitan median of $2,000, and the median weekly rent was $360, compared to Greater Melbourne's $390. Across Australia, mortgage payments in Reservoir are higher than the national median of $1,863, whereas weekly rents are lower than the national average of $375.

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Families make up 64.0% of all households, consisting of 26.9% couples with children, 24.1% couples without children, and 11.2% single parents. The remaining 36.0% are non-family households, which are mostly individuals living alone (30.8%) along with group households (5.2%). The average household size of 2.4 residents is slightly below the Greater Melbourne average of 2.6.

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At 33.7%, the proportion of Reservoir residents holding a university degree is slightly lower than the SA3 regional average of 37.9%, showing reasonable educational competitiveness despite this small difference. Bachelor degrees are the most common higher qualification at 21.4%, followed by postgraduate degrees (9.1%) and graduate diplomas (3.2%). Vocational and technical training is also highly represented, with 27.3% of residents aged 15+ holding qualifications such as advanced diplomas (10.7%) or certificates (16.6%).

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Public transit analysis indicates there are 330 transit stops in Reservoir, consisting of light rail and bus services. These stops are served by 16 different routes, delivering 9,512 weekly passenger journeys. Accessibility is highly rated, with residents living an average of 165 meters from their nearest transit stop. Given the residential nature of the suburb, most workers commute out of the area, with private vehicles remaining the primary choice at 78%, followed by trains at 12%. Average car ownership is 1.0 vehicle per household, which is below the regional average. A high share of residents, 31.5%, worked from home according to the 2021 Census, which may reflect pandemic-era arrangements.

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Reservoir faces notable public health concerns, according to Districts' evaluation of mortality rates and the prevalence of chronic illnesses. Common health conditions are somewhat widespread, particularly within older demographic groups, while the rate of private health insurance coverage lags slightly behind the average SA2 area, representing approximately 52% of the population (~28,811 people) compared to 56.7% in Greater Melbourne.

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Reservoir exhibits high levels of cultural diversity, with 37.6% of residents born outside Australia and 42.9% speaking a non-English language at home. Christianity is the largest religious group, representing 49.0% of the population. The most notable religious difference is in Islam, which is practiced by 6.9% of residents compared to 5.6% across Greater Melbourne.

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The median age of 38 years in Reservoir is close to the Greater Melbourne average of 37 and matches the national median of 38. Compared to the metropolitan area, Reservoir has a higher percentage of residents aged 25 - 34 (18.8%) but a lower share of those aged 15 - 24 (10.4%). Since the 2021 Census, the 35 to 44 age bracket has increased from 15.7% to 17.3% of the population, whereas the 45 to 54 group has decreased from 12.6% to 11.8%. By 2041, Reservoir is expected to experience significant shifts in its age structure, led by the 45 to 54 cohort, which is projected to grow by ( people), rising from to .

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Reservoir currently has an estimated 3,210 children under 5 years old, comprising approximately 1,909 children aged 0-2 and 1,273 children aged 3-4. This cohort grew by an estimated 3% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 26% by 2041 (to approximately 4,046 children). Meanwhile the 5-12 cohort currently amounts to 4,057. Recent growth has been driven by high birth rates observed in the area, with approximately 12.4 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area among the top 30% of areas assessed nationally. This rate has slowed down slightly in recent years however.