Brompton (SA)

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Based on evaluation of ABS demographic updates for the wider region and new addresses validated by Districts since the Census, the suburb of Brompton has a population estimated at approximately 3,917 in May 2026. This represents a rise of 188 individuals (5.0%) from the 2021 Census, which recorded 3,729 people. This shift is derived from a resident population of 3,914, calculated by Districts using the June 2025 ERP release from the ABS alongside 40 validated new addresses added since the Census. Such population levels result in a density of 3,466 persons per square kilometer, placing the area in the top quartile of countrywide locations analyzed by Districts. The post-census growth of 5.0% in the suburb of Brompton is within 2.5 percentage points of the 7.5% state average, indicating competitive local growth. The expansion in the suburb of Brompton was chiefly supported by overseas migration, which made up roughly 91.0% of the overall population increases in the recent timeframe.

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Data aggregated by Districts shows that Brompton has a highly qualified labor force with a strong concentration of professionals, a low unemployment rate of 3.6%, and estimated job growth of 6.7% over the past year. In March 2026, there were 2,392 employed residents, with an unemployment rate 0.2 percentage points below the 3.8% rate seen in Greater Adelaide. The participation rate is relatively typical, sitting at 70.2% compared to 66.6% in Greater Adelaide. Census records show that a low 11.8% of the workforce worked from home, though this figure may have been influenced by COVID-19 pandemic restrictions.

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Based on financial year 2023 ATO postcode data compiled by Districts, Brompton has a median taxpayer income of $57,176 and an average income of $66,893. These figures are close to the national average, contrasting with Greater Adelaide's median of $54,808 and average of $66,852. Factoring in a Wage Price Index growth of 10.17% since financial year 2023, estimates for March 2026 would be around $62,991 for the median and $73,696 for the average. The 2021 Census ranks household, family, and individual incomes in Brompton around the 56th percentile nationwide. The largest income bracket is the 32.7% of residents earning between $1,500 - 2,999 per week (1,280 residents), which is similar to the regional share of 31.8%. Although accommodation costs absorb of income, strong earnings keep disposable income at the nd percentile, placing the area in the th decile of the SEIFA income index.

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According to the latest Census, residential properties in Brompton consisted of 43.1% standalone houses and 56.9% alternative dwellings such as semi-detached homes and apartments, compared to 75.2% houses and 24.9% other dwellings across the Adelaide metro area. Home ownership in Brompton was lower than the metropolitan average at 17.1%, with the remaining properties being mortgaged at 29.4% or rented at 53.5%. The median monthly mortgage payment of $1,733 was notably higher than the Adelaide metro average of $1,562, and the median weekly rent of $380 also exceeded the metropolitan average of $320. Nationally, mortgage payments in Brompton are below the Australian average of $1,863, whereas rents are higher than the national median of $375.

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Families make up the majority of households at 53.3%, which includes 14.3% couples with children, 26.2% couples without children, and 10.9% single parents. Non-family living arrangements account for the remaining 46.7%, consisting of 35.1% single-person households and 11.5% group households. The median household size is 2.1 people, which is smaller than the Greater Adelaide average of 2.5.

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Educational attainment in Brompton is high compared to the wider region, with 42.9% of residents aged 15+ holding a university degree, compared to 25.7% in SA and 28.8% in the SA3 area. This profile positions the local workforce well for knowledge-based jobs. Bachelor degrees represent the most common tertiary qualification at 29.5%, followed by postgraduate degrees at 10.0% and graduate diplomas at 3.4%. Professional and vocational qualifications are held by 23.1% of residents aged 15+, consisting of advanced diplomas at 8.8% and certificates at 14.3%.

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Analysis of the public transport network shows 10 active bus stops operating in Brompton. These stops are served by 9 separate routes, which combine to provide 853 weekly passenger trips. Public transport accessibility is good, with residents living an average of 209 meters from their nearest stop. Because the area is mostly residential, the majority of workers commute to other areas, with private vehicles remaining the primary mode of travel at 73%, followed by bus transit at 10% and cycling at 5%. Average vehicle ownership is 0.9 cars per household, which is below the regional average. A relatively low 11.8% of residents worked from home, according to the 2021 Census, which may reflect pandemic-era conditions.

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Health indicators show notable difficulties for Brompton. Districts assessments of mortality and chronic illnesses indicate that common medical conditions are significantly more prevalent than average, with the disparity being even wider among older age groups. Additionally, private health insurance uptake is just ahead of the SA2 average, covering approximately 53% of the population, which equates to about 2,093 people.

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Brompton exhibits high levels of multiculturalism, with 34.9% of the population born outside Australia and 29.4% using a non-English language at home. Christianity is the most common religious affiliation, representing 37.4% of local residents. The most notable religious overrepresentation is Buddhism, which is practiced by 4.1% of the population, compared to 2.4% across Greater Adelaide.

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With a median age of 35, Brompton has a younger demographic than Greater Adelaide's average of 39 and sits just below the national median of 38 years. The 25 - 34 age bracket is highly represented at 25.5% compared to Greater Adelaide, while the 5 - 14 demographic is less common at 6.3%. The concentration of residents aged 25 - 34 is significantly higher than the national average of 14.6%. Since 2021, the cohort aged 35 to 44 has increased from 13.8% to 16.1% of the population. Conversely, the 45 to 54 cohort fell from 11.3% to 9.6%, and the 55 to group declined from to . Looking forward to population projections indicate notable changes in the age profile, led by the to age bracket, which is expected to increase by ( people), growing from to .

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Brompton currently has an estimated 148 children under 5 years old, comprising approximately 113 children aged 0-2 and 75 children aged 3-4. This cohort grew by an estimated 5% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 18% by 2041 (to approximately 174 children). Meanwhile the 5-12 cohort currently amounts to 264. While growth has been positive birth rates observed in the area have been moderate, with approximately 10.6 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area within the middle tier nationally. This rate has slowed down slightly in recent years however.