Zilzie (Qld)

Detail

According to calculations of ABS population updates for the wider region alongside new addresses verified by Districts since the Census, Zilzie has an estimated population of approximately 2,972 in May 2026. This indicates a growth of 126 residents (4.4%) from the 2021 Census, which documented a population of 2,846 people. The shift is calculated from a resident population of 2,950, which Districts estimated after evaluating the ABS's June 2025 ERP data release, combined with an additional 15 validated new addresses since the Census date. With this population level, the density ratio stands at 307 persons per square kilometer, offering plenty of space for residents and potential scope for additional expansion. Throughout the last decade, Zilzie has shown stable expansion patterns with a compound annual growth rate of 1.4%, which is higher than the SA3 area. The primary driver of population gains in recent times was interstate migration, which accounted for roughly 91.0% of the total growth.

Detail

Zilzie features a balanced workforce spanning white and blue collar employment, with essential services sectors well represented, and an unemployment rate of just 2.6%, based on Districts aggregation of statistical area data. As of March 2026, 1,288 residents are in work while the unemployment rate is 1.3% below Regional Qld's rate of 3.9%, and workforce participation lags significantly (56.4% compared to Regional Qld's 64.3%). Based on Census responses, a low 6.3% of residents were found to work from home, though Covid-19 lockdown impacts should be considered.

Detail

Taxpayer statistics compiled by Districts from the latest postcode-level ATO data for the 2023 financial year show that the suburb of Zilzie has a median income of $51,987 and an average income of $68,089. This aligns closely with national benchmarks, whereas Regional Qld recorded a median of $53,146 and an average of $66,593. Factoring in Wage Price Index growth of 11.36% since the 2023 financial year, current estimates would point to approximately $57,893 for the median and $75,824 for the average as of March 2026. Based on the 2021 Census, household, family, and individual incomes in Zilzie all place between the 18th and 23rd percentiles across Australia. In terms of earnings brackets, 30.7% of the community (912 individuals) fall into the $1,500 - 2,999 range, which is very similar to the regional average of in the same bracket. The area faces significant housing affordability pressures, leaving residents with only of their income, which ranks in the st percentile.

Detail

Data from the latest Census shows that the housing stock in Zilzie consisted of 92.7% separate houses and 7.3% alternative dwellings like semi-detached properties, apartments, or other structures, compared to Regional Qld where houses made up 76.4% and alternative dwellings accounted for 23.6%. Home ownership rates in Zilzie stood higher than the Regional Qld average at 35.7%, with the remaining properties being held under a mortgage (29.4%) or occupied by renters (34.9%). The median monthly mortgage payment in the area was $1,600, which is lower than the Regional Qld average of $1,655, while the median weekly rent was $370 compared to Regional Qld's $345. Across the country, Zilzie's mortgage costs are notably below the Australian median of $1,863, and weekly rents also sit below the national average of $375.

Detail

Families represent the vast majority of local households at 72.9%, which includes 23.5% couples raising children, 34.3% couples without children, and 14.2% single parent households. The remaining 27.1% consists of non-family households, with single-person households making up 23.8% and group living situations accounting for 3.3% of the total. The median household size stands at 2.5 residents, which is identical to the Regional Qld average.

Detail

The local community experiences educational challenges, with the proportion of residents holding university qualifications (13.4%) sitting well below the national average of 30.4%. This gap highlights both a challenge and a focus area for targeted educational strategies. Bachelor degrees represent the largest segment at 9.5%, followed by postgraduate degrees (2.0%) and graduate diplomas (1.9%). Vocational and technical training are highly prevalent, with 43.2% of residents aged 15 and over possessing vocational qualifications, consisting of advanced diplomas (9.7%) and certificates (33.5%).

Detail

Based on Districts' evaluation of mortality data and the occurrence of long-term illnesses, Zilzie faces notable health challenges, with common medical issues appearing across both young and old cohorts, while private health insurance coverage is relatively high at roughly 54% of the population, representing about 1,610 residents.

Detail

Zilzie exhibits relatively low cultural diversity, with citizens making up 86.5% of the population, 89.4% of residents born in Australia, and 96.8% speaking only English at home. The predominant religion is Christianity, representing 52.3% of residents in Zilzie, which matches the Regional Qld rate of 52.2%.

Detail

The median age in Zilzie is 43 years, which is higher than the Regional Qld average of 41 and significantly higher than the national median of 38 years. The 65 - 74 age bracket is highly represented at 13.7% compared to Regional Qld, while the 15 - 24 cohort is less common at 8.1%. Since the 2021 Census, the 35 to 44 age cohort has increased from 12.9% to 14.3% of the population, and the 75 to 84 bracket has risen from 8.2% to 9.6%. In contrast, the 5 to 14 cohort decreased from 15.1% to 14.0%. Demographic projections indicate that Zilzie's age profile will transform by with the to bracket showing the largest projected increase of , adding residents to reach a total of . Meanwhile, the to age bracket is projected to show almost no growth, increasing by just ( people).

Detail

Zilzie currently has an estimated 202 children under 5 years old, comprising approximately 97 children aged 0-2 and 64 children aged 3-4. This cohort grew by an estimated 15% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 31% by 2041 (to approximately 264 children). Meanwhile the 5-12 cohort currently amounts to 269. While growth has been positive birth rates observed in the area have been low, with approximately 7.8 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area among the bottom 30% of areas assessed nationally. This rate has slowed down slightly in recent years however.