Clemton Park (NSW)

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Based on demographic evaluations by Districts using updated figures from the ABS and new addresses verified since the Census, Clemton Park's population is estimated at around 1,767 as of May 2026. This represents an increase of 91 people (5.4%) since the 2021 Census, which reported a population of 1,676 people. The change is inferred from the resident population of 1,764, estimated by Districts following examination of the latest ERP data release by the ABS (June 2025) and an additional 10 validated new addresses since the Census date. This level of population equates to a density ratio of 4,775 persons per square kilometer, which lies in the top 10% of national locations assessed by Districts, making land in the area a highly-sought resource. Clemton Park's 5.4% growth since the 2021 census exceeded the SA3 area (5.2%), marking it as a growth leader in the region. Population growth for the area was primarily driven by overseas migration that contributed approximately of overall population gains during recent periods.

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The local workforce is highly skilled and distributed across various sectors, featuring a low unemployment rate of 3.3% and an annual job growth rate estimated at 2.7% based on Districts statistical aggregations. In March 2026, there were 991 employed residents. The unemployment rate is 0.8% below the Greater Sydney average of 4.1%, while workforce participation matches the Greater Sydney rate of 69.1%. Census data indicates that a high proportion of residents (48.9%) worked from home, though this figure may reflect the influence of COVID-19 pandemic restrictions.

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Taxpayer data from the ATO for the 2023 financial year, aggregated by Districts, shows that the suburb of Clemton Park has a below-average income profile on a national scale. The median income for taxpayers in the suburb of Clemton Park is $37,866 and the average income is $48,973, compared to median and average figures of $60,817 and $83,003 in Greater Sydney. Factoring in Wage Price Index growth of 10.32% since the 2023 financial year, current estimates point to a median income of approximately $41,774 and an average income of $54,027 as of March 2026. According to the 2021 Census, individual weekly incomes are low, placing in the 16th percentile at $634, whereas household incomes perform better, ranking in the 57th percentile. The largest income group consists of 28.1% of residents (496 individuals) earning between $1,500 and weekly, which is similar to the wider region where fall into this bracket. The area displays socioeconomic diversity, with of residents earning under weekly and earning more than . On average, residents retain of their income after housing costs, and the suburb's SEIFA index for income ranks in the th decile.

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The housing stock in Clemton Park at the time of the latest Census consisted of 77.9% detached houses and 22.0% other dwelling types, such as townhouses and apartments, compared to 55.9% houses and 44.1% other dwellings across the Sydney metropolitan area. Home ownership was high at 38.3%, with the remaining properties occupied by residents with a mortgage (35.5%) or renting (26.2%). The median monthly mortgage payment of $2,400 was slightly lower than the Sydney metropolitan average of $2,427, and the median weekly rent of $264 was also below the metropolitan average of $470. On a national level, mortgage repayments in Clemton Park are significantly higher than the Australian average of $1,863, while weekly rents are substantially below the national average of $375.

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Families make up the majority of households at 73.9%, consisting of couples with children at 40.9%, couples without children at 19.9%, and single-parent households at 12.1%. Non-family households account for 26.1% of the total, with single-person households representing 23.5% and group households making up 1.3%. The median household size stands at 2.8 people, which is slightly above the Greater Sydney average of 2.7.

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Educational attainment in the area presents a mixed picture, with university qualification rates at 26.4%, which is lower than the Greater Sydney average of 38.0%. Bachelor degrees are the most common tertiary qualification at 19.4%, followed by postgraduate qualifications at 5.4% and graduate diplomas at 1.6%. Vocational and technical training is common, with 31.4% of residents aged 15+ holding a qualification in these fields, including advanced diplomas (10.8%) and certificates (20.6%).

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Public transport analysis indicates there is 1 active transit stop within Clemton Park, which is serviced by bus routes. There are 9 distinct routes operating through the suburb, providing a combined 968 weekly passenger journeys. Access to transport is rated as excellent, with residents living an average of 193 meters from the nearest stop. The suburb is primarily residential, and most workers commute to other areas, with private vehicles being the primary mode of transport at 83%, followed by buses at 7% and trains at 6%. The average number of vehicles per household is 1.3. A high proportion of residents (48.9%) worked from home, according to the 2021 Census, which may reflect the impact of pandemic-related restrictions.

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Health measures point to below-average outcomes in Clemton Park, with mortality rates and the prevalence of chronic illnesses slightly elevated across both younger and older cohorts, and private health insurance coverage is low, held by approximately 46% of the population (~819 people). This is lower than the rate of 59.9% in Greater Sydney and the national average of 55.7%.

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Clemton Park displays a high degree of cultural diversity, with 40.8% of the population born outside of Australia and 59.4% speaking a language other than English at home. The predominant religion is Christianity, adhered to by 69.7% of the population, compared to 49.2% across Greater Sydney.

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The median age in Clemton Park is 47 years, which is older than the Greater Sydney average of 37 and the national average of 38. The suburb has a high concentration of residents aged 85 and over at 7.7%, compared to Greater Sydney, while the 25 to 34 age bracket is smaller at 6.1%. The proportion of residents aged 85 and over is also well above the national average of 2.2%. Post-2021 Census data shows the 35 to 44 age cohort has increased from 11.3% to 12.7% of the population, whereas the 25 to 34 cohort has decreased from 8.5% to 6.1%. Demographic projections indicate that the age profile of Clemton Park will change significantly by 2041, with the and older cohort projected to grow by , adding residents to reach a total of . Older residents aged and over are expected to account for of the suburb's population growth, highlighting the aging trend, while the population in the to age range is expected to decrease by natural language zero.

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Clemton Park currently has an estimated 65 children under 5 years old, comprising approximately 59 children aged 0-2 and 39 children aged 3-4. This cohort declined by an estimated 10% since the previous census. though population forecasts indicate future growth, with an anticipated increase of 5% by 2041 (to approximately 68 children). Meanwhile the 5-12 cohort currently amounts to 138. Birth rates in the area have averaged 12.1 per 1,000 residents over the latest two-year period, a high rate (among the top 30% of areas assessed nationally). This rate has slowed down slightly in recent years however.