Denman Prospect (ACT)

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According to evaluations of ABS population adjustments for the surrounding district, combined with recently verified addresses from Districts since the Census, the suburb of Denman Prospect has a projected population of approximately 6,095 as of May 2026. This represents a growth of 3,336 individuals (120.9%) compared to the 2021 Census, which registered 2,759 residents. This shift is calculated from a resident population of 5,608, calculated by Districts using the latest ABS ERP release (June 2025) and an additional 1,497 validated new addresses since the Census date. The population size translates to a density of 1,285 persons per square kilometer, exceeding the typical average across national locations analyzed by Districts. The 120.9% expansion of the suburb of Denman Prospect since the 2021 census outpaced the state (8.3%) and the broader SA4 territory, representing a regional growth leader. The expansion was largely fueled by interstate migration, which accounted for roughly of all population increases recently, though natural increase and overseas migration also contributed positively.

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The suburb of Denman Prospect has a highly qualified workforce, with a strong presence of professionals, an unemployment rate of only 2.4%, and consistent employment numbers over the past year, according to aggregated statistical area data from Districts. As of March 2026, 3,108 citizens are employed, with the unemployment rate sitting 1.7% below the Australian Capital Territory average of 4.1%, and labor participation is relatively standard (74.0% versus 70.8% for Australian Capital Territory). According to Census statistics, a moderate 13.7% of working residents performed their jobs from home, though this may have been influenced by COVID-19 lockdowns.

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According to the latest postcode level ATO statistics released for financial year 2023, the suburb of Denman Prospect has a median taxpayer income of $93,675 and an average income of $111,440. These figures are exceptionally high by national standards, comparing to a median of $72,206 and an average of $85,981 in Australian Capital Territory. Adjusted for a Wage Price Index rise of 10.44% since financial year 2023, current estimates stand at roughly $103,455 for the median and $123,074 for the average as of March 2026. Data from the 2021 Census ranks household, family, and personal incomes very high in the suburb of Denman Prospect, placing in the 98th to 99th percentiles nationwide. The income distribution shows the $4000+ bracket is the largest, containing 36.6% of residents ( people), whereas the surrounding region is led by the - bracket at . Financial prosperity is evident with of households earning weekly incomes above which drives substantial consumer spending. High housing expenses take up of income, but strong earnings keep disposable income in the th percentile, and the area's SEIFA income score is in the th decile.

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Residential structures in the suburb of Denman Prospect, recorded at the latest Census, consisted of 48.6% houses and 51.3% other dwellings (semi-detached, apartments, and alternative housing types), compared to 63.3% houses and 36.7% other dwellings in Australian Capital Territory. At the same time, home ownership in the suburb of Denman Prospect lagged behind the territory at 6.7%, with remaining properties being mortgaged (78.7%) or rented (14.6%). The median monthly mortgage payment in this locality was significantly higher than the Australian Capital Territory median at $2,400, while the median weekly rent was $498, compared to territory figures of $2,080 and $450 respectively. Nationally, the suburb of Denman Prospect's mortgage costs are much higher than the Australian average of $1,863, and rents are substantially above the national average of $375.

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Families make up the majority of households at 78.3%, consisting of 43.9% couples with children, 24.8% couples without children, and 8.3% single parent homes. Non-family households constitute the remaining 21.7%, with single person homes at 18.8% and group households making up 3.1% of the total. The median household size of 2.8 individuals is larger than the Australian Capital Territory average of 2.5.

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Academic credentials in the suburb of Denman Prospect are well above broader averages, with 62.6% of residents aged 15+ holding university degrees compared to 30.4% nationwide and 46.8% across the SA4 region. This educational lead positions the community well for professional services. Bachelor degrees are the most common credential at 33.9%, followed by postgraduate degrees (23.3%) and graduate diplomas (5.4%). Vocational education makes up 18.9% of qualifications for residents aged 15+ – consisting of advanced diplomas (9.1%) and certificates (9.8%).

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Public transit assessment indicates 14 active transport stops are located within the suburb of Denman Prospect, consisting of bus services. These locations are served by 45 distinct routes, which provide a total of 3,796 passenger trips per week. Transit accessibility is good, with residents living an average of 233 meters from their nearest stop. Because this is a residential area, most workers commute out of the suburb, with private cars remaining the primary travel mode at 91%, and 6% using buses. Household vehicle ownership averages 1.4 per home. Approximately 13.7% of residents work from home (based on the 2021 Census, which may show COVID-19 influences).

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Health indicators demonstrate excellent findings throughout the suburb of Denman Prospect, based on Districts' evaluation of death rates and chronic illness prevalence, showing low rates of common health conditions across every age cohort, while private health insurance rates are exceptionally high at roughly 71% of the population (4,339 people). This compares to 62.4% in Australian Capital Territory and a national average of 55.7%.

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The suburb of Denman Prospect exhibits high cultural diversity, with 42.8% of the population born outside Australia and 46.1% speaking a non-English language at home. Christianity is the leading religion, practiced by 30.6% of the population. However, the most distinct overrepresentation is seen in Hinduism, which represents 14.5% of the population, considerably higher than the Australian Capital Territory average of 4.8%.

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The median age of 32 years in the suburb of Denman Prospect is slightly lower than the Australian Capital Territory average of 35 and well below the national median of 38. Compared to the territory, the suburb of Denman Prospect has a higher share of residents aged 35 - 44 (24.2%) but fewer residents aged 15 - 24 (9.2%). This 35 - 44 demographic is significantly above the national proportion of 14.3%. Since the 2021 Census, demographic aging is apparent as the median age rose from 31 to 32 years. Notable shifts show the 45 to 54 cohort grew from 8.9% to 12.5% of the population, while the 25 to cohort declined from to and the to group dropped from to . Population projections for suggest major demographic changes, with the to cohort showing the fastest growth at , adding residents to reach .

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Denman Prospect currently has an estimated 432 children under 5 years old, comprising approximately 260 children aged 0-2 and 173 children aged 3-4. This cohort grew by an estimated 62% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 87% by 2041 (to approximately 806 children). Meanwhile the 5-12 cohort currently amounts to 783. Recent growth has been driven by high birth rates observed in the area, with approximately 17.8 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.