Westminster (WA)

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According to ABS demographic data and Districts' validation of newer addresses post-census, the population of the suburb of Westminster is calculated to be 8,788 in May 2026. This indicates that since the 2021 Census, which documented 7,042 residents, the population grew by 1,746 individuals, or 24.8%. The figure is deduced from a baseline resident count of 8,770, which Districts determined using the ABS June 2025 ERP release, combined with an additional 37 addresses confirmed since the census. This population size results in a density of 3,804 individuals per square kilometer, placing the locality in the top quarter of all areas evaluated nationwide by Districts. The suburb of Westminster recorded a expansion rate of 24.8% post-2021, outperforming the national benchmark of 9.3% and the wider SA3 territory, making it a primary growth hub. Demographic gains were heavily underpinned by arrivals from abroad, which represented roughly 67.0% of the overall population increase in the recent timeframe.

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The suburb of Westminster has a workforce characterized by strong educational credentials and a solid concentration in key service fields, with a jobless rate of 6.1% and a 5.6% rise in employed residents over the last year, using data aggregated by Districts. In March 2026, there were 4,948 employed locals, while the unemployment level was 1.9% higher than the Greater Perth benchmark of 4.2%. The workforce participation rate was typical at 72.6% compared to 70.2% across Greater Perth. Census records indicate that a minor share of 5.2% of workers performed their duties from home, though this figure may be influenced by pandemic restrictions.

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According to postcode-level ATO records for the 2023 financial year, taxpayers in the suburb of Westminster recorded a median income of $53,763 and an average income of $60,385. These figures are below the national benchmarks and compare to median and average levels of $60,748 and $80,248 across Greater Perth. Factoring in Wage Price Index growth of 10.93% since the 2023 financial year, current estimates would be approximately $59,639 for median income and $66,985 for average income as of March 2026. Data from the 2021 Census places personal, family, and household incomes in the suburb of Westminster in a modest range, between the 29th and 42nd percentiles. The largest income group comprises 33.8% of local residents, or 2,970 people, earning in the $1,500 - 2,999 brackets, which is similar to the metropolitan trend of . Housing costs present a severe burden, leaving only of income available, which ranks in the th percentile.

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The residential mix in the suburb of Westminster at the time of the latest Census consisted of 62.9% detached houses and 37.1% alternative dwellings, such as semi-detached homes and apartments, compared to the Perth metro breakdown of 77.8% houses and 22.1% alternative dwellings. The home ownership rate of 19.1% was lower than the metropolitan average, with the remaining homes being paying off a mortgage (35.7%) or occupied by tenants (45.2%). The median monthly home loan payment was $1,517, which is well below the Perth metro average of $1,907, while the median weekly rental cost was $330, compared to the metro average of $350. Nationally, mortgage payments in the suburb of Westminster are significantly below the Australian average of $1,863, and weekly rents are much lower than the national figure of $375.

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Families make up 62.4% of households, consisting of 25.4% couples with children, 21.4% couples without children, and 13.4% single parents. The remaining 37.6% of households are non-family arrangements, with single-person households representing 32.0% and shared houses making up 5.8%. The median household occupancy of 2.3 people is lower than the Greater Perth average of 2.6.

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Educational attainment in the suburb of Westminster is lower than regional averages, with 28.7% of residents aged 15+ holding a higher education degree compared to 37.1% in the SA3 region. This represents an opportunity for skill development. Among degree holders, 19.7% have a bachelor qualification, followed by 6.6% with postgraduate qualifications and 2.4% with graduate diplomas. Vocational and technical training is common, with 34.3% of residents aged 15+ possessing vocational qualifications, including 13.0% with advanced diplomas and 21.3% with certificates.

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An analysis of public transit options shows 33 bus stops operating in the suburb of Westminster. These stops are served by 13 routes, providing 2,679 weekly passenger journeys. Public transport access is high, with the average distance to the nearest stop being 173 meters. Most residents travel outside the area for work, and private vehicles are the main transport mode at 82%, followed by 8% who use buses and 5% who use trains. Household vehicle ownership averages 1.1 cars, which is below the metropolitan average. A relatively small proportion of residents work from home, at 5.2% based on the 2021 Census, which may reflect pandemic conditions.

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Based on Districts' evaluation of mortality patterns and the incidence of chronic conditions, health markers in the suburb of Westminster are close to national levels, with typical rates of common illnesses overall, although older cohorts show slightly higher rates than the national average. The proportion of residents with private health insurance is low, standing at about 51% of the population, or approximately 4,497 people, compared to 59.0% across Greater Perth.

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The suburb of Westminster is highly multicultural, with 49.8% of residents speaking a language other than English in their homes and 52.3% born in another country. Christianity is the primary religion, followed by 45.3% of the population. The most prominent statistical variance is in the Other category, which represents 4.2% of residents compared to 1.4% across Greater Perth.

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The median age in the suburb of Westminster is 34 years, which is lower than the Greater Perth average of 37 and younger than the national average of 38 years. Compared to Greater Perth, there is a higher proportion of young adults aged 25 - 34 (21.6%) but a smaller share of people aged 55 - 64 (8.4%). The concentration of residents aged 25 - 34 is higher than the national share of 14.6%. Since the 2021 Census, the proportion of residents aged 65 to 74 grew from 6.4% to 7.5%, while the share of children aged 0 to 4 shrank from 8.3% to 6.8%. Population forecasts for 2041 suggest changing age patterns, with the to cohort projected to grow by , adding residents to reach while the number of children aged to and to is expected to decrease.

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Westminster currently has an estimated 597 children under 5 years old, comprising approximately 333 children aged 0-2 and 223 children aged 3-4. This cohort grew by an estimated 2% since the previous census. though population forecasts indicate future decline, with an anticipated decrease of 4% by 2041 (to approximately 576 children). Meanwhile the 5-12 cohort currently amounts to 722. Recent growth has been driven by high birth rates observed in the area, with approximately 14.6 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.