Trentham

Population growth drivers in Trentham are strong compared to national averages based on AreaSearch's ranking of recent, and medium to long-term trends

As of Feb 2026, Trentham's population is estimated at around 1,551. This reflects an increase from the 2021 Census figure of 1,382 people, representing a growth of 169 people (12.2%). The change was inferred from AreaSearch estimates based on ERP data released by ABS in June 2024 and additional validated new addresses since the Census date. This results in a population density ratio of 30 persons per square kilometer. Trentham's growth rate exceeded the SA3 area (7.3%) and Rest of Vic., marking it as a growth leader in the region. Interstate migration contributed approximately 59.0% of overall population gains during recent periods.

AreaSearch projections for Trentham are based on ABS/Geoscience Australia data released in 2024 with a base year of 2022, and VIC State Government's Regional/LGA projections adjusted using weighted aggregation methods for years 2032 to 2041. Based on aggregated SA2-level projections, Trentham is expected to increase by 139 persons to reach a population of approximately 1,690 by the year 2041, reflecting an overall gain of 1.4% over the 17-year period.

Residential development activity is slightly higher than average within Trentham when compared nationally

AreaSearch analysis indicates Trentham had approximately 23 new homes approved annually. Between FY-21 and FY-25, around 115 homes were approved, with another 5 in FY-26 so far. On average, 0.9 people moved to the area per dwelling built over these years.

This suggests new construction is meeting or exceeding demand, offering more options for buyers and potentially driving population growth beyond current projections. The average expected construction cost of new homes is $734,000, indicating developers target the premium market segment with higher-end properties. In FY-26, Trentham has registered $4.3 million in commercial approvals, reflecting its residential character. Compared to Rest of Vic., Trentham records 138.0% more building activity per person, providing ample choice for buyers despite recent easing in construction activity. This high level reflects strong developer confidence in the area.

New development consists of 89.0% detached houses and 11.0% townhouses or apartments, preserving Trentham's low-density nature and attracting space-seeking buyers. With around 79 people per dwelling approval, Trentham exhibits growth area characteristics. Future projections estimate Trentham will add 22 residents by 2041. At current development rates, new housing supply should comfortably meet demand, offering good conditions for buyers and potentially supporting population growth beyond current projections.

Trentham has very high levels of nearby infrastructure activity, ranking in the top 20% nationally

Area infrastructure changes significantly influence local performance. AreaSearch identified 0 projects impacting this area. Notable projects are Victorian Renewable Energy Zones, Western Renewables Link, Ballarat Line Upgrade, and Outer Metropolitan Ring/E6 Transport Corridor. The following list details the most relevant ones.

Professional plan users can use the search below to filter and access additional projects.

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Employment conditions in Trentham demonstrate exceptional strength compared to most Australian markets

Trentham has an educated workforce with strong professional services representation. Its unemployment rate was 1.1% as of December 2025, according to AreaSearch's statistical area data aggregation. In December 2025715 residents were employed at a rate 2.6% lower than Regional Vic.'s 3.7%.

Workforce participation was 56.6%, below Regional Vic.'s 61.5%. Census responses showed 41.5% of residents worked from home, potentially influenced by Covid-19 lockdowns. Employment is concentrated in health care & social assistance, professional & technical services, and construction. Professional & technical employment was notably high at 2.7 times the regional average.

Retail trade had lower representation at 6.8% versus Regional Vic.'s 9.9%. Local employment opportunities seemed limited based on Census working population vs resident population comparison. Over a 12-month period ending in December 2025, labour force and employment decreased by 0.6%, with unemployment remaining stable, compared to Regional Vic.'s 0.6% employment decrease, 0.7% labour force contraction, and 0.1 percentage point unemployment fall. Jobs and Skills Australia's national employment forecasts from May-25 project overall growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Trentham's employment mix suggests local employment could increase by 6.8% over five years and 14.0% over ten years, based on a simple weighting extrapolation for illustrative purposes.

Income figures position the area below 75% of locations analysed nationally by AreaSearch

AreaSearch aggregated latest postcode level ATO data released for financial year 2023. Trentham's median taxpayer income was $45,218 and average was $66,548. These figures are slightly lower than national averages of $50,954 and $62,728 in Regional Vic. respectively. Based on Wage Price Index growth of 8.25% since financial year 2023, current estimates for Trentham would be approximately $48,948 (median) and $72,038 (average) by September 2025. According to 2021 Census figures, household, family, and personal incomes in Trentham rank modestly between the 33rd and 35th percentiles. Income distribution shows that 28.0% of individuals earn between $1,500 - 2,999 annually, aligning with regional levels at 30.3%. Housing costs are manageable with 88.2% retained income, but disposable income ranks below average at the 40th percentile. Trentham's SEIFA income ranking places it in the 7th decile.

Trentham is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership

The dwelling structure in Trentham, as per the latest Census, consisted of 95.5% houses and 4.5% other dwellings (semi-detached, apartments, 'other' dwellings), compared to Regional Vic.'s 90.1% houses and 9.9% other dwellings. Home ownership in Trentham stood at 55.6%, with the rest of dwellings either mortgaged (32.2%) or rented (12.2%). The median monthly mortgage repayment was $1,733, higher than Regional Vic.'s average, while the median weekly rent was $386, compared to Regional Vic.'s $285. Nationally, Trentham's mortgage repayments were lower than the Australian average of $1,863, but rents exceeded the national figure of $375.

Trentham has a typical household mix, with a lower-than-average median household size

Family households constitute 69.4% of all households, including 18.8% couples with children, 43.2% couples without children, and 5.8% single parent families. Non-family households comprise the remaining 30.6%, with lone person households at 29.3% and group households making up 2.2%. The median household size is 2.2 people, which is smaller than the Regional Vic. average of 2.4.

Trentham shows strong educational performance, ranking in the upper quartile nationally when assessed across multiple qualification and achievement indicators

Trentham's educational attainment is notably higher than broader standards. Among residents aged 15+, 38.8% possess university qualifications, compared to 21.7% in the rest of Victoria and 24.6% in the SA4 region. This educational advantage indicates strong potential for knowledge-based opportunities. Bachelor degrees are most prevalent at 22.9%, followed by postgraduate qualifications (10.5%) and graduate diplomas (5.4%). Vocational credentials are also prominent, with 34.8% of residents aged 15+ holding such qualifications – advanced diplomas comprise 13.9% and certificates make up 20.9%.

Notably, 24.7% of the population is currently engaged in formal education, including 9.0% in primary education, 7.1% in secondary education, and 2.9% pursuing tertiary education.

Transport servicing is very low compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility

Trentham has one active public transport stop. It is served by one route offering 44 weekly passenger trips in total. Transport accessibility is limited, with residents typically located 709 meters from the nearest stop. Most residents commute outward daily. Car remains the dominant mode of transport at 90%, while 8% walk. On average, there are 1.6 vehicles per dwelling.

According to the 2021 Census, 41.5% of residents work from home, which may reflect COVID-19 conditions. Service frequency averages six trips per day across all routes, equating to approximately 44 weekly trips per individual stop.

Trentham's residents are extremely healthy with very low prevalence of common health conditions across all age groups

Analysis of health metrics shows strong performance throughout Trentham. Mortality rates and chronic condition prevalence were very low across all age groups.

Private health cover was approximately 53% of the total population (~824 people), leading the average SA2 area's rate, which is 50.5% in Regional Vic. The most common medical conditions were arthritis (11.8%) and mental health issues (7.8%). 61.7% of residents declared themselves completely clear of medical ailments, compared to 63.4% across Regional Vic. Working-age residents showed above average prevalence of chronic health conditions. Trentham had 34.6% of residents aged 65 and over (536 people), higher than Regional Vic.'s 23.9%. Health outcomes among seniors were particularly strong, with national rankings broadly in line with the general population.

Trentham ranks below the Australian average when compared to other local markets across a number of language and cultural background related metrics

Trentham's cultural diversity was found to be below average, with 80.5% of its population born in Australia, 88.5% being citizens, and 96.7% speaking English only at home. Christianity is the dominant religion in Trentham, comprising 38.0% of people, but Judaism is notably underrepresented at 0.0%, compared to Regional Vic's average of 0.1%. Regarding ancestry, the top three groups are English (33.2%), Australian (23.0%), and Irish (14.9%).

The Australian figure is lower than the regional average of 29.6%, while Irish representation is substantially higher than the regional average of 9.7%. Additionally, certain ethnic groups show notable divergences: Scottish at 11.0% in Trentham versus 8.8% regionally, Welsh at 0.8% versus 0.4%, and French at 0.8% versus 0.3%.

Trentham ranks among the oldest 10% of areas nationwide

The median age in Trentham is 56 years, notably exceeding Regional Victoria's average of 43 years and significantly higher than Australia's 38 years. The 55-64 age group shows strong representation at 20.6%, compared to Regional Victoria, while the 25-34 cohort is less prevalent at 5.5%. This concentration in the 55-64 age group is well above the national average of 11.2%. According to the 2021 Census, the 15 to 24 age group has grown from 5.5% to 7.5%, while the 75 to 84 cohort increased from 10.6% to 12.1%. Conversely, the 45 to 54 cohort has declined from 12.8% to 11.7%, and the 5 to 14 group dropped from 8.8% to 7.8%. Looking ahead to 2041, demographic projections reveal significant shifts in Trentham's age structure. The 25 to 34 cohort shows the strongest projected growth at 32%, adding 27 residents to reach 113. Population declines are projected for the 5 to 14 and 65 to 74 cohorts.