Humpty Doo (NT)

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Analysis of ABS demographic updates for the wider region, alongside new addresses validated by Districts since the Census, indicates the population of the suburb of Humpty Doo is estimated to be approximately 4,915 as of May 2026. This represents an addition of 602 people (14.0%) compared to the 2021 Census, which documented a population of 4,313 people. This shift is calculated from the resident population of 4,915, which Districts estimated using the latest ERP data release from the ABS (June 2025) and a further 26 validated new addresses since the Census date. Such a population size results in a density ratio of 68 persons per square kilometer, offering substantial space per individual and potential scope for subsequent growth. The 14.0% growth rate in the suburb of Humpty Doo since the 2021 census outpaced the national average (9.3%) as well as the state, establishing it as a regional growth leader. Population expansion in the area was chiefly fueled by natural growth, which accounted for roughly 63.0% of the total population increase in recent times, though all other contributors, including overseas migration and interstate migration, remained positive.

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Humpty Doo features a balanced workforce distributed across white-collar and blue-collar roles, with a strong presence of essential services sectors, an unemployment rate of just 3.0%, and an estimated employment growth of 0.6% over the past year, based on Districts compilations of statistical area data. As of March 2026, 2,864 residents are employed, while the unemployment rate is 0.5% lower than the rate in Greater Darwin of 3.5%, and labor force participation is largely in line with Greater Darwin's 72.7%. Census records show that a low 6.4% of residents worked from home, although the influence of Covid-19 lockdowns should be kept in mind.

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According to the latest postcode-level ATO data released by Districts for financial year 2023, the median income of taxpayers in Humpty Doo is $62,087, with an average of $71,346. This sits above the national average, and compares to a median of $66,956 and an average of $77,199 in Greater Darwin. Based on Wage Price Index growth of 9.41% since financial year 2023, current estimates would stand at approximately $67,929 (median) and $78,060 (average) as of March 2026. Census statistics show that household, family, and personal incomes all place highly in Humpty Doo, ranking between the 85th and 87th percentiles nationally. Distribution figures show that 33.2% of the population (1,631 individuals) earn in the $1,500 - 2,999 range, which is comparable to regional patterns where fall into this bracket. A notable earn more than weekly, pointing to pockets of wealth that drive active local economic demand. High housing costs absorb of income, yet strong earnings still position disposable income at the th percentile, and the area's SEIFA income index places it in the th decile.

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The mix of dwelling structures in Humpty Doo, measured at the most recent Census, consisted of 96.2% houses and 3.8% other dwelling types (such as semi-detached, apartments, and 'other' structures), compared to 63.5% houses and 36.5% other dwellings in the Darwin metro area. Meanwhile, the level of home ownership in Humpty Doo was far higher than that of Darwin metro, sitting at 23.8%, with the remaining properties being mortgaged (59.6%) or rented (16.6%). The median monthly mortgage payment in the locality was above the Darwin metro average at $2,206, while the median weekly rent stood at $400, compared to Darwin metro's $2,100 and $385. On a national level, mortgage payments in Humpty Doo are notably higher than the Australian average of $1,863, and rents also exceed the national average of $375.

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Family households make up the large majority at 79.3% of all households, consisting of 38.6% couples with children, 29.0% couples without children, and 10.9% single-parent households. Non-family households account for the remaining 20.7%, with single-person households at 17.7% and group households representing 3.2% of the total. The median household size of 2.9 people is larger than the Greater Darwin average of 2.6.

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The locality displays educational challenges, with university qualification rates (14.6%) falling significantly below the SA4 region average of 31.3%. This presents both an obstacle and a chance for focused educational strategies. Bachelor degrees are the most common at 9.7%, followed by postgraduate qualifications (2.5%) and graduate diplomas (2.4%). Vocational and technical skills are highly prevalent, with 50.2% of residents aged 15+ holding trade credentials, consisting of advanced diplomas (10.2%) and certificates (40.0%).

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Public transit analysis indicates 14 active transit stops operate within Humpty Doo, consisting of a mix of bus options. These stops are served by 39 different routes, which combined offer 2,517 passenger journeys weekly. Transit access is classified as limited, with residents on average living 1811 meters from the nearest stop. As a majorly residential locality, most residents travel outwards for work, and driving remains the primary mode of travel at 93%. Vehicle ownership averages 2.2 per household, exceeding the regional average. A relatively low 6.4% of residents work from home (2021 Census; potentially reflecting COVID-19 settings).

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An evaluation of health indicators shows strong performance across Humpty Doo, based on Districts' analysis of mortality rates and chronic condition rates, with a very low presence of common health issues across all age cohorts. Additionally, the rate of private health insurance is very high, covering approximately 55% of the total population (~2,702 people). This compares to 57.8% across Greater Darwin.

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Humpty Doo shows lower than average levels of cultural diversity, with citizens making up 87.4% of the population, 85.5% born in Australia, and 94.1% speaking only English at home. Christianity is the dominant religion, accounting for 40.5% of people in Humpty Doo. However, the most distinct overrepresentation is in Buddhism, which represents 1.8% of the population, compared to 3.3% across Greater Darwin.

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At 39 years, the median age in the suburb of Humpty Doo is notably higher than the Greater Darwin average of 34, and is very close to the national median of 38. Compared to Greater Darwin, the suburb of Humpty Doo has a higher proportion of residents aged 55 - 64 (15.8%) but fewer individuals aged 25 - 34 (11.4%). Since the 2021 Census, the 65 to 74 age group has expanded from 9.0% to 10.6% of the population, while the 55 to 64 group rose from 14.4% to 15.8%. In contrast, the 45 to 54 cohort decreased from 16.0% to 13.3%, and the to group fell from to . Demographic projections suggest the age distribution in the suburb of Humpty Doo will change significantly by . The to cohort is expected to grow the most at , adding residents to total . Conversely, both the to and to age groups are projected to decrease in size.

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Humpty Doo currently has an estimated 289 children under 5 years old, comprising approximately 169 children aged 0-2 and 113 children aged 3-4. This cohort grew by an estimated 8% since the previous census. though population forecasts indicate future decline, with an anticipated decrease of 0% by 2041 (to approximately 289 children). Meanwhile the 5-12 cohort currently amounts to 506. Recent growth has been driven by high birth rates observed in the area, with approximately 11.9 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area among the top 30% of areas assessed nationally. This rate has slowed down slightly in recent years however.