South Windsor (NSW)

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According to investigations of ABS population statistics for the surrounding region, combined with fresh addresses verified by Districts after the Census, the suburb of South Windsor has an estimated population of about 6,128 in May 2026. This represents a gain of 180 people (3.0%) compared to the 2021 Census, which counted 5,948 individuals. This shift is calculated from a resident population of 6,123, calculated by Districts using the latest ABS ERP release (June 2025) and another 32 validated new addresses registered since the Census date. Such population levels mean a density of 726 persons per square kilometer, which aligns closely with typical averages recorded across localities analyzed by Districts. The 3.0% expansion in the suburb of South Windsor since the census sits within 2.0 percentage points of the broader SA3 territory (5.0%), reflecting competitive underlying growth. Gains in the local population were mostly underpinned by natural increase, which made up roughly 68.0% of the overall population rise in recent times.

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This locality has a balanced workforce distributed across white-collar and blue-collar occupations, with the building sector showing especially strong representation, alongside an unemployment rate of 4.4%, according to Districts aggregations of statistical area data. In March 2026, 3,117 residents were employed, while the local unemployment rate sat 0.3% above the Greater Sydney mark of 4.1%, and labor participation was slightly below average (66.6% compared with 69.1% for Greater Sydney). Census returns indicate that a moderate 22.7% of employed residents worked from home, though the influence of Covid-19 lockdowns must be taken into account.

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The most recent postcode-level ATO statistics from Districts for the 2023 financial year show that earnings in this area are below the national average, with a median of $50,015 and an average income of $62,276. This is lower than the Greater Sydney averages of $60,817 for median income and $83,003 for average income. Adjusted for Wage Price Index expansion of 10.32% since the 2023 financial year, current figures would stand at roughly $55,177 (median) and $68,703 (average) as of March 2026. Data from the 2021 Census reveals that household, family, and personal earnings are modest here, falling between the 33rd and 41st percentiles. The statistics show the largest cohort consists of 34.5% of residents (2,114 people) earning $1,500 - 2,999 weekly, which is similar to the metropolitan region where are in this range. Affordability pressures are high, leaving residents with only of their income, which ranks in the th percentile.

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The housing profile of this area at the time of the latest Census consisted of 75.9% houses and 24.1% other options (such as semi-detached properties, apartments, and alternative dwellings), compared to the metropolitan Sydney split of 55.9% houses and 44.1% other options. Home ownership rates here lagged behind the metropolitan Sydney average, sitting at 17.7%, with the remaining dwellings occupied by individuals with a mortgage (37.1%) or renters (45.3%). The median monthly mortgage payment of $2,000 was well below the metropolitan average of $2,427, while the median weekly rent was $360 compared to the metropolitan average of $470. On a national level, mortgage repayments in this area are higher than the Australian average of $1,863, while rent costs are below the national average of $375.

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Family households make up the majority of homes at 67.4%, which includes 27.1% couples with children, 21.0% couples without children, and 18.3% single-parent households. Non-family households account for the remaining 32.6%, with single-occupant homes representing 29.4% and group living situations representing 3.2% of the total. The median household size of 2.5 residents is smaller than the Greater Sydney standard of 2.7.

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The region presents educational challenges, with the proportion of residents holding university qualifications (14.8%) falling far below the Greater Sydney average of 38.0%. This scenario highlights both an obstacle and a chance for focused educational programs. Bachelor degrees are the most common higher qualification at 9.8%, followed by postgraduate degrees (3.4%) and graduate diplomas (1.6%). Vocational and technical skills are highly represented, with 41.1% of residents aged 15+ holding trade credentials, consisting of advanced diplomas (9.7%) and certificates (31.4%).

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Public transport studies show 61 active transport stops operating in this area, consisting of different bus services. These stops are serviced by 52 distinct routes, which together provide 795 weekly passenger trips. Transport convenience is classified as excellent, with residents usually living 125 meters from the nearest stop. Because this is a major residential area, most workers travel outside the suburb, and the car remains the primary mode of travel at 90%. Vehicle ownership stands at an average of 1.3 per household. Approximately 22.7% of residents work from home (based on the 2021 Census, which may reflect pandemic-related conditions).

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Severe health difficulties are clear in this area, according to Districts evaluations of mortality patterns and the prevalence of long-term illnesses, with various medical issues affecting both younger and older cohorts. In addition, the proportion of residents with private health insurance is relatively low, standing at about 52% of the population (~3,160 people). This is lower than the 59.9% rate observed across Greater Sydney.

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This locality has a below-average level of cultural diversity, with citizens making up 86.0% of the population, 84.8% of residents born in Australia, and 90.9% using only English at home. Christianity is the primary religion, representing 55.2% of the local population. This is higher than the 49.2% rate seen across Greater Sydney.

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With a median age of 34 years, the population in this area is slightly younger than the Greater Sydney average of 37 and considerably younger than the national average of 38 years. Compared to Greater Sydney, this locality has a higher share of children aged 0 - 4 (7.4%) but fewer people in the 45 - 54 age bracket (10.3%). Since the 2021 Census, the 35 to 44 age cohort has increased from 12.6% to 13.6% of the population, while the 45 to 54 cohort has decreased from 11.6% to 10.3%. Population projections for 2041 suggest major demographic adjustments for the area. The 75 to 84 age group is expected to grow the fastest at , adding residents to reach a total of . Senior residents aged and over will account for of the overall population growth, highlighting demographic aging patterns. In contrast, population declines are expected for the to and to age brackets.

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South Windsor currently has an estimated 453 children under 5 years old, comprising approximately 262 children aged 0-2 and 175 children aged 3-4. This cohort grew by an estimated 3% since the previous census. though population forecasts indicate future decline, with an anticipated decrease of 13% by 2041 (to approximately 395 children). Meanwhile the 5-12 cohort currently amounts to 623. Recent growth has been driven by high birth rates observed in the area, with approximately 15.0 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. This rate has slowed down slightly in recent years however.