Olinda (Vic.)

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Analysis of ABS population updates for the wider region, alongside address points verified by Districts subsequent to the Census, indicates the population of the suburb of Olinda (Vic.) stands at approximately 1,741 in May 2026. This represents a decline of 32 residents (1.8%) from the 2021 Census, which documented 1,773 people. This population estimate of 1,741 is derived by Districts by assessing the latest ABS ERP release from June 2025 and validating local addresses following the Census. The current population translates to a density of 82 persons per square kilometer, indicating low density and space for potential growth. Overseas migration was the primary driver of population growth, representing approximately 64.0% of all population increases over recent times.

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Olinda has a workforce with high levels of education, strong representation in essential services, an unemployment rate of 3.8%, and employment growth estimated at 0.6% over the preceding year, using Districts aggregations of statistical area data. In March 2026936 residents were employed, and the unemployment rate sat 1.0% below the Greater Melbourne average of 4.8%, while workforce participation was slightly lower at 66.5% compared to 70.2% in Greater Melbourne. According to Census records, a substantial 37.0% of the workforce worked from home, though this figure was likely influenced by COVID-19 pandemic restrictions.

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According to postcode-level ATO data compiled by Districts for the 2023 financial year, taxpayers in the suburb of Olinda recorded a median income of $52,512 and an average of $73,141. These figures exceed the national average, though they sit below the Greater Melbourne median of $57,688 and average of $75,164. Adjusting for a Wage Price Index increase of 9.62% since the 2023 financial year, estimated incomes as of March 2026 are approximately $57,564 for the median and $80,177 for the average. Census data from 2021 shows that household, family, and individual incomes in Olinda place the area at the 62nd percentile nationally. The weekly income band of $1,500 - 2,999 accounts for 30.0% of the population (522 residents), which is comparable to regional levels where of individuals fall into the same bracket. A significant proportion of high-income earners, with earning more than weekly, indicates strong financial capacity within the suburb. Residents retain of their income after housing costs, and the SEIFA index ranks the area in the th decile for income.

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Census data shows that dwellings in Olinda consist of 99.4% houses and 0.6% alternative housing types, such as semi-detached properties, apartments, or other options, compared to Greater Melbourne where houses make up 67.9% and other dwellings comprise 32.1%. Home ownership rates in Olinda are high at 38.6%, with the remaining properties occupied by residents with a mortgage (48.9%) or tenants (12.5%). The median mortgage repayment in the area is $2,000 per month, matching the Greater Melbourne average, while the median weekly rent is $398, compared to $2,000 and $390 in Greater Melbourne. Olinda's monthly mortgage payments exceed the national average of $1,863, and weekly rents are higher than the Australian median of $375.

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Families make up the majority of households at 74.5%, consisting of couples with children (33.1%), couples without children (30.6%), and single-parent households (10.6%). The remaining 25.5% are non-family households, which are predominantly lone person households (23.0%) alongside group households (1.6%). The average household size is 2.5 residents, slightly below the Greater Melbourne median of 2.6.

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The proportion of residents with tertiary qualifications in Olinda is higher than average, with 38.4% of people aged 15+ holding a university degree compared to 23.8% in the SA3 region and 30.4% nationally. This highlights a strong base for knowledge-intensive employment. Bachelor degrees are the most common qualification at 23.3%, followed by postgraduate degrees at 9.7% and graduate diplomas at 5.4%. Technical and trade qualifications are also common, with 34.9% of residents aged 15+ holding vocational qualifications, split between advanced diplomas (15.2%) and certificates (19.7%).

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Analysis of transit options shows 18 active bus stops operating in Olinda. These stops are served by 8 separate routes, which support 562 weekly passenger trips. Public transport accessibility is moderate, with the average distance to a stop being 420 meters. Given the residential nature of the suburb, most workers commute out of the area, with private vehicles remaining the primary mode of travel at 86%, while 5% walk. Vehicle ownership averages 1.8 cars per household, which is above the metropolitan average. A high proportion of residents (37.0%) worked from home, according to the 2021 Census, which may be reflective of pandemic conditions.

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Health indicators in Olinda point to positive outcomes, based on Districts assessments of mortality rates and chronic illness rates, showing low levels of common health problems across all age groups. Private health insurance coverage is high, with approximately 56% of the population (~970 people) holding coverage.

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Cultural diversity in Olinda is lower than average, with 80.5% of residents born in Australia, 88.9% holding citizenship, and 92.5% speaking only English at home. Christianity is the main religion, followed by 31.3% of the population. Judaism is overrepresented relative to the broader metropolitan area, accounting for 0.7% of residents compared to 1.0% across Greater Melbourne.

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The median age of 45 years in Olinda is older than the Greater Melbourne average of 37 and the national average of 38. Compared to Greater Melbourne, Olinda features a larger proportion of residents aged 65 - 74 (14.9%) and a smaller share of 25 - 34 year-olds (6.1%). The proportion of residents aged 65 - 74 is higher than the national figure of 9.4%. Since the 2021 Census, the 75 to 84 cohort grew from 4.5% to 7.0%, and the 15 to 24 cohort rose from 9.4% to 11.4%. Meanwhile, the 25 to 34 age bracket fell from to , and the to bracket declined from to . Projections to show changes in the age structure, with the + cohort expected to increase by ( people), going from to . Combined cohorts aged and over are expected to represent of the total population increase, emphasizing the aging profile, while the to and to cohorts are expected to decrease in size.

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Olinda currently has an estimated 73 children under 5 years old, comprising approximately 44 children aged 0-2 and 29 children aged 3-4. This cohort declined by an estimated 15% since the previous census. while population forecasts indicate future decline, with an anticipated decrease of 19% by 2041 (to approximately 59 children). Meanwhile the 5-12 cohort currently amounts to 164. Birth rates in the area have averaged 7.8 per 1,000 residents over the latest two-year period, a low rate (among the bottom 30% of areas assessed nationally). This rate has slowed down slightly in recent years however.