Tumbi Umbi (NSW)

Detail

Analysis of ABS demographic updates alongside address verification data compiled by Districts indicates that the suburb of Tumbi Umbi has an estimated residency of 5,355 individuals as of May 2026. This represents a contraction of 14 people (0.3%) from the 2021 Census, which documented a population of 5,369 residents. The shift is calculated from a resident base of 5,354, determined by Districts using the June 2025 ERP release from the ABS, supplemented by 7 validated new addresses established post-census. The current population volume translates to a density of 408 persons per square kilometer, which leaves ample physical space per resident and potential capacity for future building projects. Demographic gains were almost entirely attributable to overseas migration, which served as the exclusive source of population growth in recent times.

Detail

The local workforce is characterized by strong representation in essential services, an unemployment rate of just 3.6%, and estimated job growth of 2.6% over the prior year. As of March 2026, 2,569 residents are employed, with the unemployment rate tracking 0.6% below the 4.1% recorded for Greater Sydney. However, workforce participation is low, standing at 60.1% compared to 69.1% across Greater Sydney. Census records show that a high proportion of residents, 31.0%, worked from home, though this figure may reflect the influence of pandemic lockdowns.

Detail

Taxpayer income statistics show a median of $49,515 and an average of $62,277, according to postcode-level ATO data compiled for the 2023 financial year. These figures sit below national averages, in contrast to Greater Sydney's median of $60,817 and average of $83,003. Factoring in Wage Price Index growth of 10.32% since the 2023 financial year, current adjusted estimates point to a median of $54,625 and an average of $68,704 as of March 2026. The 2021 Census indicates that household, family, and personal incomes all place the area modestly between the 36th and 44th percentiles. Income distribution data shows the largest bracket contains 28.8% of local residents (1,542 people) earning between $1,500 - 2,999, which is comparable to the wider region where 30.9% fall into this range. Housing costs consume a large share of earnings, leaving just of income remaining, placing the area in the th percentile for affordability and the th decile on the SEIFA income index.

Detail

Residential dwelling types in the area at the time of the latest Census consisted of 81.2% houses and 18.8% other options such as semi-detached homes, apartments, or alternative dwellings, compared to a split of 55.9% houses and 44.1% other dwellings across metropolitan Sydney. Home ownership rates were high at 39.2%, with the remaining properties occupied by residents with a mortgage (43.7%) or renting (17.2%). Typical monthly mortgage payments were $2,146, while typical weekly rents were $410, both below the metropolitan Sydney figures of $2,427 and $470. On a national level, local mortgage costs exceed the Australian average of $1,863, and weekly rents are higher than the national benchmark of $375.

Detail

Family units constitute 76.9% of all local households, consisting of couples with children at 32.8%, couples without children at 31.4%, and single-parent households at 12.3%. Non-family households account for the remaining 23.1%, with lone person households representing 21.3% and group households making up 1.8%. The typical household size of 2.7 people matches the average for Greater Sydney.

Detail

Educational outcomes reveal lower university completion rates, with 18.3% of residents holding a tertiary degree compared to the Greater Sydney average of 38.0%. Among those with higher education, bachelor degrees are held by 13.2%, postgraduate qualifications by 3.2%, and graduate diplomas by 1.9%. Vocational and technical education is common, with 42.5% of residents aged 15+ holding qualifications, consisting of advanced diplomas at 12.1% and certificates at 30.4%.

Detail

Analysis of local transit shows 52 active transport stops within the area, composed of bus services. These stops support 108 routes, facilitating 1,588 passenger trips weekly. Transit access is high, with residents living an average of 192 meters from their nearest stop. Given the residential nature of the area, most workers commute out, with private vehicles remaining the primary choice at 95%. Households own an average of 1.6 vehicles, which is above the regional average. A significant 31.0% of the workforce worked from home, according to the 2021 Census, which may reflect pandemic-era conditions.

Detail

Health indicators point to lower wellness outcomes, with elevated mortality rates and chronic health conditions observed across both younger and older cohorts, while private health insurance coverage is low, held by approximately 52% of the population (~2,762 people), compared to 59.9% in Greater Sydney.

Detail

Cultural diversity is below average, with 86.0% of residents born in Australia, 92.0% holding citizenship, and 95.2% speaking only English at home. Christianity is the predominant religion, followed by 61.2% of residents, compared to 49.2% in Greater Sydney.

Detail

The median age of 45 years is older than the Greater Sydney average of 37 and the national average of 38 years. Compared to Greater Sydney, there is a higher proportion of residents aged 75 - 84 (10.4%) and a smaller proportion aged 25 - 34 (8.0%). Since the 2021 Census, the 75 to 84 cohort expanded from 9.2% to 10.4% of the population, and the 35 to 44 cohort rose from 10.3% to 11.4%, while the 25 to 34 age bracket decreased from 9.2% to 8.0%. Looking ahead to 2041, demographic projections indicate shifts, led by the to group which is expected to grow by ( people) to reach from . Overall, cohorts aged + will account for of all population growth, while the to and to brackets are projected to contract.

Detail

Tumbi Umbi currently has an estimated 251 children under 5 years old, comprising approximately 198 children aged 0-2 and 131 children aged 3-4. This cohort declined by an estimated 0% since the previous census. while population forecasts indicate future decline, with an anticipated decrease of 9% by 2041 (to approximately 229 children). Meanwhile the 5-12 cohort currently amounts to 569. Birth rates in the area have averaged 11.7 per 1,000 residents over the latest two-year period, a moderate rate (within the middle tier nationally). This rate has slowed down slightly in recent years however.