Wilton (NSW)

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Based on a study of ABS population adjustments for the wider region, alongside new addresses validated by Districts since the Census, the population of the suburb of Wilton (NSW) is estimated to be approximately 5,955 as of May 2026. This represents a rise of 2,188 people (58.1%) since the 2021 Census, which documented a population of 3,767 people. The variance is calculated from the resident population of 5,816, estimated by Districts following analysis of the latest ERP data release by the ABS (June 2025) and an additional 1,491 validated new addresses since the Census date. This population size corresponds to a density ratio of 54 persons per square kilometer, a level that offers plentiful space per person. The 58.1% growth in the suburb of Wilton (NSW) since the 2021 census outpaced the state (7.1%), as well as Greater Sydney, positioning it as a growth leader in the region. Population growth for the area was chiefly fueled by interstate migration, which accounted for approximately of overall population gains during recent times, though all components including natural growth and overseas migration were positive contributors.

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Wilton possesses a skilled labor force, with the construction sector showing especially strong representation, an unemployment rate of only 1.0%, and 14.1% in estimated employment growth over the past year, according to Districts aggregations of statistical area data. As of March 2026, 3,770 residents are employed while the unemployment rate is 3.1% lower than Greater Sydney's rate of 4.1%, and labor force participation is far above the norm (90.3% compared to Greater Sydney's 69.1%). Based on Census feedback, a high 35.0% of residents worked from home, though the effects of Covid-19 lockdowns should be taken into account.

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Based on Districts' aggregation of the latest postcode level ATO data released for financial year 2023, the suburb of Wilton recorded a median taxpayer income of $67,144 and an average income of $82,901. This ranks among the highest in Australia and compares to figures of $60,817 and $83,003 across Greater Sydney respectively. Factoring in Wage Price Index growth of 10.32% since financial year 2023, current estimates would be approximately $74,073 (median) and $91,456 (average) as of March 2026. From the 2021 Census, household, family and personal incomes all rank highly in Wilton, falling between the 88th and 95th percentiles nationally. Income analysis indicates the $1,500 - 2,999 earnings band accounts for 33.9% of the community ( individuals), mirroring the surrounding region where occupy this bracket. The substantial proportion of high earners ( above /week) indicates strong economic capacity throughout the locality. High housing costs consume of income, though strong earnings still place disposable income at the th percentile and the area's SEIFA income ranking places it in the th decile.

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Dwelling structures in Wilton, as assessed during the latest Census, consisted of 100.0% houses and no other dwellings (semi-detached, apartments, or other housing types), compared to Sydney metro's 55.9% houses and 44.1% other dwellings. Meanwhile, home ownership in Wilton lagged behind the Sydney metro average, sitting at 22.1%, with the remaining properties being mortgaged (66.8%) or rented (11.1%). The median monthly mortgage payment in the area was higher than the Sydney metro average at $2,600, while the median weekly rent stood at $580, compared to Sydney metro's $2,427 and $470. Nationally, mortgage repayments in Wilton are notably higher than the Australian average of $1,863, and rents are also significantly above the national average of $375.

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Family households make up the vast majority at 89.8% of all households, consisting of 56.5% couples with children, 26.5% couples without children, and 6.7% single parent families. Non-family households account for the remaining 10.2%, with lone person households at 9.2% and group households representing 0.8% of the total. The median household size of 3.3 people is larger than the Greater Sydney average of 2.7.

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The area experiences educational disparities, with university qualification rates (20.5%) sitting substantially below the Greater Sydney average of 38.0%. This highlights a challenge as well as an opportunity for targeted educational programs. Bachelor degrees are the most common at 14.5%, followed by postgraduate credentials (4.2%) and graduate diplomas (1.8%). Trade and technical qualifications are highly prevalent, with 47.8% of residents aged 15+ holding vocational credentials—comprising advanced diplomas (13.2%) and certificates (34.6%).

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Public transport analysis shows 70 active transport stops operating in Wilton, consisting of bus services. These stops are serviced by 17 unique routes, which together provide 125 weekly passenger trips. Transport access is classified as good, with residents living an average of 203 meters from the nearest stop. As a primarily residential area, most residents travel outside the suburb for work, and private vehicles remain the primary mode of transport at 96%. Vehicle ownership averages 2.2 per household, exceeding the regional average. A high 35.0% of residents work from home (2021 Census; may reflect COVID-19 conditions).

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Wilton presents favorable health profiles, based on Districts' evaluation of mortality statistics and chronic condition prevalence, with common health condition rates being low across both younger and older demographics, and the rate of private health insurance found to be exceptionally high at approximately 60% of the total population (3,552 people).

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Wilton was found to have low levels of cultural diversity, with 88.3% of residents born in Australia, 92.3% holding citizenship, and 95.1% speaking only English at home. The predominant religion in Wilton was found to be Christianity, representing 64.3% of Wilton's population. This compares to 49.2% across Greater Sydney.

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With a median age of 33, Wilton is younger than the Greater Sydney median of 37 and is below Australia's median of 38 years. Relative to Greater Sydney, Wilton has a higher concentration of residents aged 5 - 14 (18.1%) but fewer youth aged 15 - 24 (10.1%). The proportion of residents aged 5 - 14 is well above the national figure of 12.0%. Since the 2021 Census, the 75 to 84 cohort has increased from 2.3% to 4.4% of the population, while the 35 to 44 age bracket grew from 17.9% to 19.5%. Conversely, the 45 to 54 group declined from to and the to cohort decreased from to . Population forecasts for indicate significant demographic shifts for Wilton, with the to cohort projected to show the strongest growth at , adding residents to reach .

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Wilton currently has an estimated 565 children under 5 years old, comprising approximately 257 children aged 0-2 and 172 children aged 3-4. This cohort grew by an estimated 53% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 254% by 2041 (to approximately 2,001 children). Meanwhile the 5-12 cohort currently amounts to 765. Recent growth has been driven by high birth rates observed in the area, with approximately 14.1 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.