Galston

Galston is positioned among the lower quartile of areas assessed nationally for population growth based on AreaSearch's assessment of recent, and medium term trends

Galston's population is estimated at around 3,244 as of May 2026. This reflects an increase of 49 people since the 2021 Census, which reported a population of 3,195 people. The change is inferred from AreaSearch's estimation of the resident population at 3,240 following examination of the latest ERP data release by the ABS in June 2025 and an additional 44 validated new addresses since the Census date. This level of population equates to a density ratio of 137 persons per square kilometer. Galston's 1.5% growth since census positions it within 0.6 percentage points of the SA3 area (2.1%), demonstrating competitive growth fundamentals. Population growth for the suburb was primarily driven by overseas migration.

AreaSearch is adopting ABS/Geoscience Australia projections for each SA2 area, as released in 2024 with 2022 as the base year. For areas not covered by this data, AreaSearch utilises NSW State Government's SA2 level projections released in 2022 with 2021 as the base year. Growth rates by age group from these aggregations are applied to all areas for years 2032 to 2041. Population projections anticipate lower quartile growth, with Galston expected to grow by 49 persons to 2041 based on aggregated SA2-level projections, reflecting an increase of 1.4% in total over the 16 years.

AreaSearch assessment of residential development drivers sees a low level of activity in Galston, placing the area among the bottom 25% of areas assessed nationally

Galston has seen an average of 11 dwelling approvals per year based on AreaSearch analysis of ABS building approval numbers. Between FY-21 and FY-25, approximately 57 homes were approved, with another 3 approved in FY-26 so far. Despite a fall in population during this period, housing supply has remained adequate relative to demand, indicating a balanced market with good buyer choice.

The average expected construction cost value of new dwellings is $1,045,000, suggesting developers are targeting the premium market segment. This financial year, $3.2 million in commercial development approvals have been recorded, reflecting Galston's residential character. Compared to Greater Sydney and nationally, Galston has similar or below average development levels per person, which could indicate planning constraints or the area's maturity. Recent construction comprises 91.0% detached houses and 9.0% attached dwellings, maintaining Galston's traditional low density character focused on family homes.

The estimated population per dwelling approval is around 500 people. According to AreaSearch's latest quarterly estimate, Galston is projected to grow by 45 residents by 2041. At current development rates, new housing supply should meet demand comfortably, providing good conditions for buyers and potentially supporting growth beyond current projections.

Galston has strong levels of nearby infrastructure activity, ranking in the top 40% nationally

Changes to local infrastructure significantly impact an area's performance. AreaSearch identified zero projects expected to influence this area. Notable initiatives include transforming Hornsby Park from a quarry into parklands, extending Berowra Valley National Park northwards, Hills Shire Council's Infrastructure Delivery Program for 2025-2026, and Sydney Metro Northwest.

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While Galston retains a healthy unemployment rate of 4.0%, recent employment declines have impacted its national performance ranking

Galston has a well-educated workforce with a notable representation in the construction sector. Its unemployment rate is 4.0%, as per AreaSearch's aggregation of statistical area data. As of December 2025, Galston had 1,628 residents employed, with an unemployment rate of 0.2% lower than Greater Sydney's rate of 4.2%.

Workforce participation in Galston was at 62.4%, compared to Greater Sydney's 68.8%. Census responses indicated that 42.2% of residents worked from home, though Covid-19 lockdown impacts should be considered. Key industries for employment among residents were construction, health care & social assistance, and education & training. Construction had particularly notable concentration with employment levels at 1.9 times the regional average.

Finance & insurance had limited presence with 3.4% employment compared to the regional average of 7.3%. AreaSearch's analysis of SALM and ABS data over a 12-month period showed labour force remained stable by 0.0%, while employment declined by 1.5%, leading to a rise in unemployment rate by 1.5 percentage points. In contrast, Greater Sydney saw employment grow by 2.2% and labour force expand by 2.3%. Jobs and Skills Australia's national employment forecasts from May-25 suggest national employment will expand by 6.6% over five years and 13.7% over ten years. Applying these projections to Galston's employment mix suggests local employment should increase by 6.7% over five years and 13.6% over ten years, assuming constant population projections for illustrative purposes.

The economic profile demonstrates above-average performance, with income metrics exceeding national benchmarks based on AreaSearch comparative assessment

AreaSearch's latest postcode level ATO data for financial year 2023 shows Galston's median income among taxpayers is $53,547. The average income is $94,403. This places Galston among the highest in Australia. In comparison, Greater Sydney's median income is $60,817 and average is $83,003. Based on Wage Price Index growth of 10.32% since financial year 2023, current estimates for Galston would be approximately $59,073 (median) and $104,145 (average) as of March 2026. The 2021 Census ranks Galston's household incomes at the 83rd percentile with a weekly income of $2,295. Income brackets indicate that 26.3% of Galston residents earn between $1,500 and $2,999 per week (853 individuals). This is consistent with broader trends across regional levels showing 30.9% in the same category. Galston demonstrates considerable affluence with 37.0% earning over $3,000 per week. After housing costs, residents retain 87.0% of their income, reflecting strong purchasing power. The area's SEIFA income ranking places it in the 8th decile.

Galston is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership

Galston's dwelling structure, as per the latest Census, consisted of 84.1% houses and 15.9% other dwellings (semi-detached, apartments, 'other' dwellings), compared to Sydney metro's 55.9% houses and 44.1% other dwellings. Home ownership in Galston stood at 48.1%, with mortgaged dwellings at 38.8% and rented ones at 13.1%. The median monthly mortgage repayment was $2,600, exceeding Sydney metro's average of $2,427. The median weekly rent figure in Galston was $495, higher than Sydney metro's $470. Nationally, Galston's mortgage repayments were significantly higher than the Australian average of $1,863, and rents substantially above the national figure of $375.

Galston features high concentrations of family households, with a higher-than-average median household size

Family households constitute 77.0% of all households, including 39.7% couples with children, 28.3% couples without children, and 8.2% single parent families. Non-family households comprise the remaining 23.0%, with lone person households at 20.8% and group households making up 2.8%. The median household size is 2.8 people, larger than the Greater Sydney average of 2.7.

The educational profile of Galston exceeds national averages, with above-average qualification levels and academic performance metrics

Galston's educational qualifications trail regional benchmarks, with 31.2% of residents aged 15+ holding university degrees compared to the SA4 region's 40.4%. Bachelor degrees are most prevalent at 21.4%, followed by postgraduate qualifications (7.5%) and graduate diplomas (2.3%). Trade and technical skills are prominent, with 36.6% of residents aged 15+ holding vocational credentials – advanced diplomas (12.6%) and certificates (24.0%). Educational participation is high, with 28.6% of residents currently enrolled in formal education, including 10.0% in primary education, 8.8% in secondary education, and 4.5% pursuing tertiary education.

Educational participation is notably high, with 28.6% of residents currently enrolled in formal education. This includes 10.0% in primary education, 8.8% in secondary education, and 4.5% pursuing tertiary education.

Transport servicing is low compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility

Galston has 43 operational public transport stops, all of which are bus services. These stops cater to 44 different routes that facilitate a total of 419 weekly passenger trips. The area's transport accessibility is deemed good, with the average resident living about 295 meters from their nearest transport stop. As a predominantly residential zone, most residents travel outward for work, primarily by car (89%). On average, there are 2.0 vehicles per dwelling in Galston, surpassing the regional norm. According to the 2021 Census, 42.2% of residents worked from home, potentially influenced by COVID-19 conditions.

Across all routes, an average of 59 trips occur daily, translating to roughly 9 weekly trips per individual stop.

The level of general health in Galston is notably higher than the national average with both young and old age cohorts seeing low prevalence of common health conditions

Galston demonstrates above-average health outcomes based on AreaSearch's assessment of mortality rates and chronic condition prevalence. Both young and old age cohorts show low prevalence of common health conditions. The rate of private health cover is exceptionally high at approximately 64% of the total population (2,081 people), compared to 59.9% across Greater Sydney and 55.7% nationally.

The most common medical conditions are arthritis and asthma, impacting 9.7% and 6.9% of residents respectively. 68.1% of residents declare themselves completely clear of medical ailments, compared to 74.6% across Greater Sydney. The under-65 population demonstrates better than average health outcomes. The area has 28.0% of residents aged 65 and over (908 people), higher than the 15.5% in Greater Sydney. Health outcomes among seniors are above average, with national rankings broadly in line with the general population.

In terms of cultural diversity, Galston records figures broadly comparable to the national average, as found in AreaSearch's assessment of a number of language and cultural background related metrics

Galston's population was found to be approximately in line with the broader regional average regarding cultural diversity, with 79.5% born in Australia, 92.3% being citizens, and 89.2% speaking English only at home as of 2016 Census data. Christianity was identified as the predominant religion in Galston, comprising 64.4% of its population, compared to 49.2% across Greater Sydney during the same period. The top three ancestry groups in Galston were found to be English (30.0%), Australian (24.9%), and Irish (8.7%).

These figures are notably higher than their respective regional averages: English at 19.0%, Australian at 17.8%. Additionally, certain ethnic groups showed notable differences in representation compared to the regional average: Lebanese at 2.3% vs 2.6%, Hungarian at 0.4% vs 0.3%, and Italian at 5.8% vs 3.4%.

Galston hosts an older demographic, ranking in the top quartile nationwide

The median age in Galston is 46 years, which exceeds Greater Sydney's average of 37 years and is also higher than Australia's median age of 38 years. The 75-84 age cohort makes up 10.3% of Galston's population, compared to Greater Sydney's average, indicating an over-representation in this age group locally. Meanwhile, the 25-34 age group is under-represented at 7.3%. Between the 2021 Census and now, the percentage of people aged 75 to 84 has increased from 8.3% to 10.3%, while those aged 15 to 24 have risen from 12.2% to 13.9%. Conversely, the 45-54 age group has decreased from 13.9% to 12.3%, and the 55-64 age group has dropped from 13.9% to 12.8%. By 2041, Galston's population is projected to see significant demographic shifts. The 75-84 age cohort is expected to grow by 147 people (44%), increasing from 334 to 482 individuals. This trend reflects an aging population dynamic, with those aged 65 and above accounting for all the projected growth. Conversely, the 0-4 and 55-64 age cohorts are expected to experience population declines.