North Wahroonga (NSW)

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Following an examination of ABS population updates for the wider region alongside new addresses verified by Districts since the Census, the suburb of North Wahroonga has an estimated population of approximately 2,066 as of May 2026. This represents a decline of 34 people (1.6%) from the 2021 Census, which recorded 2,100 people. This shift is calculated from a resident population of 2,060, which was estimated by Districts after assessing the latest ABS ERP release (June 2025) and incorporating an additional 1 validated new address since the Census date. With this population level, the density ratio stands at 531 persons per square kilometer, indicating substantial space per resident and potential capacity for future development. Overseas migration was the primary driver of population growth, acting as virtually the sole source of population increases in recent times.

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A highly qualified labor force characterizes the suburb of North Wahroonga, with strong representation in professional services, an unemployment rate of 5.0%, and an annual employment growth estimate of 1.0% derived from Districts statistical area aggregations. As of March 2026, there are 979 employed residents, while the unemployment rate is 0.9% higher than the Greater Sydney average of 4.1%, and labor force participation is notably lower (60.1% compared to 69.1% in Greater Sydney). Census records show a high proportion of 61.7% of residents working from home, though the influence of Covid-19 pandemic restrictions should be taken into account.

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According to the latest postcode-level ATO statistics released by Districts for the 2023 financial year, taxpayers in the suburb of North Wahroonga recorded a median income of $59,880 and an average income of $107,630. This places the locality in the top bracket nationwide, compared to a median of $60,817 and an average of $83,003 across Greater Sydney. Factoring in Wage Price Index growth of 10.32% since the 2023 financial year, current estimates point to approximately $66,060 for the median and $118,737 for the average as of March 2026. Household income ranks exceptionally high in the 98th percentile at $3,189 weekly according to Census findings. In terms of income distribution, the top bracket of $4000+ dominates with 42.0% of residents (867 people), contrasting with the wider region where the - bracket is largest at . This high concentration of top earners ( receiving over /week) demonstrates substantial financial capacity in the community. Housing costs consume of income, while strong salaries position residents in the th percentile for disposable income, and the SEIFA index places the area in the th decile for income.

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Residential property types in the suburb of North Wahroonga at the time of the latest Census consisted of 93.4% standalone houses and 6.6% alternative dwellings like townhouses and apartments, compared to 55.9% houses and 44.1% other dwellings across metropolitan Sydney. Home ownership rates were significantly higher than the metropolitan average at 48.3%, with remaining households holding a mortgage (45.4%) or renting (6.2%). The median monthly mortgage payment of $3,884 was well above the metropolitan Sydney average of $2,427, while the median weekly rent stood at $950 compared to the metropolitan average of $470. On a national level, mortgage commitments are far higher than the Australian average of $1,863, and rental costs are substantially above the national figure of $375.

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Families make up the vast majority of households at 88.9%, which includes 53.2% couples with children, 26.1% couples without children, and 8.4% single parent households. The remaining 11.1% consists of non-family households, with single-person households representing 10.6% and group housing making up 0.4%. The median household size of 3.1 people exceeds the Greater Sydney average of 2.7.

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Academic achievement in the suburb of North Wahroonga is substantially higher than state and national averages, with 52.2% of residents aged 15+ holding a tertiary degree compared to 30.4% across Australia and 32.2% across NSW. This high concentration of qualifications positions the population well for professional and knowledge-based roles. Bachelor degrees are the most common credential at 32.5%, followed by postgraduate degrees (17.2%) and graduate diplomas (2.5%). Vocational training accounts for 19.3% of credentials among those aged 15 and over, comprising advanced diplomas (10.6%) and certificate-level qualifications (8.7%).

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Public transit options in the suburb of North Wahroonga consist of 10 active bus stops. These stops accommodate 5 distinct routes, delivering a total of 100 passenger services weekly. Accessibility is highly rated, with residents living an average of 154 meters from their nearest stop. Because the suburb is primarily residential, commuting is common; private vehicles are the main transport mode at 87%, while 7% of residents travel by train. Vehicle ownership stands at an average of 1.8 per household, exceeding the regional average. A high proportion of 61.7% of residents worked from home, based on 2021 Census data which may reflect pandemic-era conditions.

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Health profiles for the suburb of North Wahroonga show excellent outcomes based on Districts assessments of mortality and chronic illness, with low rates of common health conditions across all age brackets. Private health insurance coverage is exceptionally high, encompassing approximately 69% of the population (1,432 people) compared to 59.9% in Greater Sydney and a national average of 55.7%.

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Cultural diversity is notable in the suburb of North Wahroonga, where 28.2% of residents speak a non-English language at home and 40.8% were born outside Australia. Christianity is the primary religious affiliation, representing 52.7% of the population. The most prominent religious overrepresentation is seen in Judaism, which accounts for 0.9% of the local population compared to 0.8% across Greater Sydney.

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The median age of 45 in the suburb of North Wahroonga is considerably higher than the Greater Sydney average of 37 and the national average of 38. Compared to the wider metropolitan area, there is a higher concentration of residents aged 45 - 54 (16.6%) and a smaller proportion aged 25 - 34 (3.7%). Since the 2021 Census, the 15 to 24 cohort has increased from 13.7% to 15.3%, and the 75 to 84 cohort has risen from 7.3% to 8.9%, while the 0 to 4 group declined from 3.4% to 2.3%. Demographic models for 2041 point to significant changes in the age profile, led by a expansion in the to bracket (adding people to reach from ). The combined cohorts aged and over will represent of all population growth, highlighting the aging trend, while both the to and to brackets are expected to contract.

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North Wahroonga currently has an estimated 47 children under 5 years old, comprising approximately 40 children aged 0-2 and 27 children aged 3-4. This cohort declined by an estimated 34% since the previous census. while population forecasts indicate future decline, with an anticipated decrease of 19% by 2041 (to approximately 38 children). Meanwhile the 5-12 cohort currently amounts to 233. Birth rates in the area have averaged 5.5 per 1,000 residents over the latest two-year period, a low rate (among the bottom 20% of areas assessed nationally). This rate has slowed down slightly in recent years however.