Walkley Heights (SA)

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Analysis of ABS demographic updates for the wider region, alongside address data verified by Districts since the Census, indicates that the suburb of Walkley Heights has a population of approximately 3,556 as of May 2026. This represents a gain of 43 people (1.2%) compared to the 2021 Census, which counted 3,513 people. The calculation is based on an estimated resident population of 3,547, derived by Districts from the June 2025 ABS ERP release and subsequent address checks. The current population levels result in a density of 2,181 persons per square kilometer, which exceeds the typical figure for national locations analyzed by Districts. In recent times, overseas migration has been the primary driver of population growth, acting as virtually the sole source of these gains.

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Data aggregated by Districts indicates that the suburb of Walkley Heights has a highly qualified labor force with strong representation in essential service industries, an unemployment rate of only 1.9%, and steady employment conditions over the previous year. As of March 2026, there are 1,748 employed locals, and the unemployment rate of 1.9% is lower than the Greater Adelaide figure of 3.8%. However, the local participation rate of 61.2% is considerably lower than the 66.6% recorded across Greater Adelaide. Census records show that a modest 8.5% of the workforce worked from home, though this figure may have been influenced by COVID-19 restrictions.

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The latest postcode-level ATO statistics released for the 2023 financial year show that taxpayers in the suburb of Walkley Heights have a median income of $52,805 and an average income of $58,327. These figures are below the national averages, and compare to a median of $54,808 and an average of $66,852 in Greater Adelaide. Adjusting for a Wage Price Index increase of 10.17% since the 2023 financial year, current estimates as of March 2026 would be roughly $58,175 for the median and $64,259 for the average. According to the Census, household incomes are in the 51st percentile at $1,773 per week, while personal incomes are in the 31st percentile. The largest income group comprises 34.6% of residents (1,230 individuals) earning between $1,500 and which aligns with the broader regional pattern where of the population falls into this bracket. Discretionary funds remaining after housing costs account for of income, and the local SEIFA income index sits in the th decile.

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According to the last Census, the housing mix in the suburb of Walkley Heights consisted of 81.0% standalone houses and 19.0% alternative housing types, such as semi-detached homes and apartments, compared to 75.2% houses and 24.9% other dwellings across the Adelaide metro area. Home ownership was higher than the Adelaide metro average, with 34.8% of properties owned outright, while 50.8% were mortgaged and 14.4% were rented. The median monthly mortgage payment was $1,700, which is higher than the Adelaide metro median of $1,562, and the median weekly rent was $370, compared to the metropolitan median of $320. On a national level, mortgage costs in the suburb of Walkley Heights are below the Australian average of $1,863, and weekly rents are lower than the countrywide figure of $375.

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Family households constitute 75.7% of all residences, including 38.3% couples with children, 26.2% couples without children, and 11.1% single parents. The remaining 24.3% are non-family households, with single-person households representing 22.4% and group households accounting for 1.2% of the total. The median household size is 2.7 people, which is slightly larger than the Greater Adelaide average of 2.5.

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The local area has a distinctive educational profile, with university graduation rates at 26.1% of residents aged 15 and over, which is higher than the SA4 average of 19.8%. Bachelor degrees are the most common qualification at 17.9%, followed by postgraduate degrees at 5.6% and graduate diplomas at 2.6%. Vocational and technical skills are also common, with 31.3% of residents aged 15 and over holding qualification credentials, consisting of advanced diplomas at 10.7% and certificates at 20.6%.

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An analysis of public transit options shows 17 active bus stops operating within the suburb of Walkley Heights. These transit points are connected to 20 different routes, which provide a combined total of 1,122 weekly passenger journeys. Accessibility is excellent, with residents living an average of 193 meters from their closest stop. Due to the residential character of the neighborhood, most workers travel outside the area, with private cars being the main transit option at 88% and buses accounting for 9%. The average number of vehicles per household is 1.5. A small share of the workforce, 8.5%, worked from home according to the 2021 Census, which may reflect pandemic-era conditions.

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Based on mortality data and chronic illness rates, the suburb of Walkley Heights faces notable health issues, with general health conditions present across the community and concentrated heavily among older cohorts. The private health insurance rate is relatively low, covering approximately 50% of the population (~1,780 individuals). This compares to 52.7% across Greater Adelaide and a national average of 55.7%.

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The suburb of Walkley Heights exhibits higher cultural diversity than most areas, with 32.8% of its residents born outside Australia and 29.9% speaking a non-English language at home. Christianity is the dominant religion, practiced by 49.3% of the community. The most notable religious variance is in the Other category, which accounts for 5.2% of the local population compared to 1.8% across Greater Adelaide.

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The median age in the suburb of Walkley Heights is 42, which is higher than the Greater Adelaide median of 39 and the national median of 38. The 45 - 54 age bracket is well represented at 14.8% of the population, while the 25 - 34 bracket is smaller at 8.9%. Since the 2021 Census, the proportion of residents aged 75 to 84 has increased from 8.4% to 9.8%, whereas the 65 to 74 group has decreased from 8.8% to 6.2%. Future projections suggest significant demographic shifts by 2041, led by a 72% increase in the 85+ cohort (adding 115 people) to reach instead of while the cohort aged to is projected to decrease by .

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Walkley Heights currently has an estimated 152 children under 5 years old, comprising approximately 116 children aged 0-2 and 77 children aged 3-4. This cohort grew by an estimated 6% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 7% by 2041 (to approximately 162 children). Meanwhile the 5-12 cohort currently amounts to 329. While growth has been positive birth rates observed in the area have been moderate, with approximately 11.6 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area within the middle tier nationally.