Centennial Park (NSW)

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Analysis of ABS population figures for the surrounding region combined with new address validations by Districts indicates that the suburb of Centennial Park (NSW) has an estimated population of 2,329 as of May 2026. This represents an expansion of 104 people (4.7%) from the 2,225 residents recorded in the 2021 Census. The calculation is based on the 2,329 resident estimate produced by Districts using the ABS June 2025 ERP release and post-Census address verification. The suburb's density stands at 1,044 persons per square kilometer, which aligns closely with typical figures across locations evaluated by Districts. The growth rate of 4.7% since the census is within 0.9 percentage points of the SA3 area (5.6%), showing solid competitive performance. Growth in the local population was mostly generated by overseas migration, which made up approximately 81.0% of the total gains in recent times.

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Data aggregated by Districts shows that Centennial Park has a highly qualified labor force, particularly in the technology sector, with unemployment sitting at only 2.8% and yearly employment growth estimated at 1.6%. Working residents numbered 1,631 as of March 2026, while the local unemployment rate was 1.3% below the Greater Sydney average of 4.1%, and participation was exceptionally high at 81.3% compared to 69.1% across Greater Sydney. Census responses indicated that a substantial 54.9% of residents worked from home, although this figure may be influenced by pandemic restrictions.

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The most recent postcode-level ATO statistics for the 2023 financial year show that incomes in Centennial Park are exceptionally high by national standards, with a median of $72,456 and an average of $151,530. By comparison, Greater Sydney recorded a median of $60,817 and an average of $83,003. Factoring in Wage Price Index growth of 10.32% since the 2023 financial year, current estimates point to approximately $79,933 (median) and $167,168 (average) as of March 2026. Individual weekly earnings from the 2021 Census sit in the 96th percentile nationwide at $1,415. In terms of brackets, the largest segment comprises 34.5% of residents (803 people) earning between $1,500 and $2,999, which is comparable to the wider region where this bracket accounts for . A substantial of individuals earn more than weekly, pointing to high concentration of wealth that stimulates local commerce. Elevated housing expenses take up of income, yet strong overall earnings keep disposable income in the st percentile, placing the area in the th decile on the SEIFA index.

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Census data reveals that the housing stock in Centennial Park consists of 9.1% houses and 90.9% other property types (semi-detached, apartments, and alternative dwellings), compared to the Sydney metro profile of 55.9% houses and 44.1% other options. Home ownership rates in the suburb trail the wider metropolitan average at 21.7%, with the remaining properties divided between those carrying a mortgage (21.7%) and those rented (56.6%). The median monthly mortgage payment of $2,466 is higher than the Sydney metro median of $2,427, while the median weekly rent stands at $500 compared to the metropolitan median of $470. Globally across Australia, local mortgage payments are significantly higher than the national median of $1,863, and rents are also well above the countrywide figure of $375.

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Families make up 46.6% of local households, consisting of couples with children at 17.3%, couples without children at 22.2%, and single-parent households at 6.3%. Non-family households account for 53.4% of the total, with single-person households at 46.6% and group households at 6.7%. The median household size of 1.9 residents is smaller than the Greater Sydney average of 2.7.

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Levels of education in Centennial Park are well above average benchmarks, with 57.7% of residents aged 15+ holding a university degree, compared to 30.4% nationally and 32.2% across NSW. This high level of qualification positions the community well for professional services roles. Bachelor degrees are the most common at 38.0%, with postgraduate qualifications at 16.2% and graduate diplomas at 3.5%. Vocational training is held by 20.2% of those aged 15+, consisting of advanced diplomas (10.3%) and certificates (9.9%).

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Public transport links include 17 active stops within Centennial Park, offering a combination of light rail and bus services. These stops support 11 distinct routes, which combine to facilitate 7,176 weekly passenger trips. Transport access is rated as excellent, with residents living an average of 90 meters from their nearest stop. Because it is a residential area, most workers commute out of the suburb, with private cars remaining the primary travel mode at 57%, followed by buses at 13% and walking at 12%. The average number of vehicles per household is 0.5, which is lower than the metropolitan average. A high 54.9% of residents work from home based on 2021 Census data, which may reflect pandemic-era conditions.

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Health statistics show excellent outcomes for Centennial Park, with Districts identifying a very low prevalence of common chronic illnesses and mortality rates across all age brackets. Private health insurance coverage is exceptionally high, encompassing roughly 86% of the population (2,014 people). This compares to 59.9% across Greater Sydney and a national average of 55.7%.

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Cultural diversity in Centennial Park is higher than in most other local areas, with 19.4% of residents speaking a non-English language at home and 35.0% born outside Australia. Christianity is the most common religion, representing 43.4% of the population. However, the most distinct religious concentration is Judaism, which represents 5.4% of residents, compared to 0.8% across Greater Sydney.

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The median age of 35 years in Centennial Park is slightly younger than Greater Sydney's median of 37 and the national average of 38. The 25 - 34 age bracket is heavily represented at 24.5% of the population compared to Greater Sydney, while children aged 5 - 14 represent a lower share at 6.7%. This 25 - 34 concentration is significantly higher than the national average of 14.6%. Since 2021, the 15 to 24 age bracket has risen from 10.6% to 12.3% of the population. Meanwhile, the 45 to 54 cohort has decreased from 14.2% to 12.3% and the 65 to age group has fallen from to . Projections for point to notable demographic shifts in Centennial Park, with the to age bracket expected to grow by people () from to . In contrast, population declines are forecast for the to and to cohorts.

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Centennial Park currently has an estimated 111 children under 5 years old, comprising approximately 64 children aged 0-2 and 43 children aged 3-4. This cohort grew by an estimated 5% since the previous census. though population forecasts indicate future decline, with an anticipated decrease of 6% by 2041 (to approximately 104 children). Meanwhile the 5-12 cohort currently amounts to 145. While growth has been positive birth rates observed in the area have been moderate, with approximately 10.1 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area within the middle tier nationally. This rate has slowed down slightly in recent years however.