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

Based on ABS population updates and AreaSearch validation, Trentham's estimated population is around 1,548 as of Nov 2025. This reflects a 166 person increase (12.0%) since the 2021 Census, which reported 1,382 people. The change is inferred from AreaSearch's estimated resident population of 1,434 in Jun 2024 and additional 39 validated new addresses since the Census date. Trentham's density ratio is 30 persons per square kilometer. Its 12.0% growth since the 2021 census exceeded the SA3 area (7.3%) and non-metro areas, marking it as a growth leader in the region. Interstate migration contributed approximately 59.0% of overall population gains recently.

AreaSearch uses ABS/Geoscience Australia projections for each SA2 area released in 2024 with a base year of 2022. For uncovered areas, they utilise Vic State Government's Regional/LGA projections from 2023, adjusted using weighted aggregation methods to SA2 levels. Growth rates by age group are applied across all areas for years 2032 to 2041. By 2041, Trentham is projected to grow by 132 persons based on aggregated SA2-level projections, reflecting an increase of 1.1% over the 17 years.

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

AreaSearch analysis of ABS building approval numbers shows Trentham has received around 23 dwelling approvals annually. Between FY-21 and FY-25, approximately 115 homes were approved, with another 4 in FY-26 so far. This results in an average of 0.9 new residents per year per new home over the past five financial years.

New construction is meeting or exceeding demand, offering buyers more options and potentially driving population growth beyond current projections. The average development value is $734,000, indicating a focus on premium market properties. This financial year has seen $4.3 million in commercial development approvals, reflecting Trentham's residential character. Compared to the Rest of Vic., Trentham has 135.0% more building activity per person, providing ample choice for buyers despite recent moderation in development activity. This high level of activity reflects strong developer confidence in the area.

New developments consist of 89.0% standalone homes and 11.0% medium to high-density housing, maintaining Trentham's traditional low-density character appealing to families seeking space. With around 79 people per approval, Trentham is a developing area. According to AreaSearch's latest quarterly estimate, Trentham is expected to grow by 17 residents by 2041. At current development rates, new housing supply should comfortably meet demand, creating good conditions for buyers and potentially supporting growth beyond current population projections.

Trentham has strong levels of nearby infrastructure activity, ranking in the top 30% nationally

No changes can significantly affect a region's performance like alterations to local infrastructure, major projects, and planning initiatives. AreaSearch has identified zero projects expected to impact this area. Notable projects include Victorian Renewable Energy Zones, Western Renewables Link, Ballarat Line Upgrade, and Outer Metropolitan Ring/E6 Transport Corridor. The following list details those projected to be most relevant.

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

Denotes AI-based impression for illustrative purposes only, not to be taken as definitive under any circumstances. Please follow links and conduct other investigations from the project's source for actual imagery. Developers and project owners wishing us to use original imagery please Contact Us and we will do so.

AreaSearch analysis reveals Trentham significantly outperforming the majority of regions assessed nationwide

Trentham's workforce is highly educated with significant representation in professional services. The unemployment rate was 1.1% as of September 2025, lower than the Rest of Vic.'s 3.8%.

Employment growth over the past year was estimated at 2.0%. Workforce participation in Trentham was 49.3%, compared to Rest of Vic.'s 57.4%. Dominant employment sectors include health care & social assistance, professional & technical, and construction. The area specializes strongly in professional & technical jobs, with an employment share 2.7 times the regional level.

Retail trade is under-represented at 6.8%, compared to Rest of Vic.'s 9.9%. Employment opportunities locally appear limited based on Census data comparison. In the wider area over a 12-month period, employment increased by 2.0% while unemployment remained broadly flat. Meanwhile, Rest of Vic. experienced employment decline of 0.7%. State-level data to 25-Nov shows VIC employment grew by 1.13%, with an unemployment rate of 4.7%. National employment forecasts from May-25 project a 6.6% increase over five years and 13.7% over ten years. Applying these projections to Trentham's employment mix suggests local employment should increase by 6.8% over five years and 14.0% over ten years, though this is an illustrative extrapolation not accounting for localized population projections.

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

The median taxpayer income in Trentham is $45,218, with an average of $66,548, according to the latest postcode level ATO data aggregated by AreaSearch for financial year 2023. This is slightly below the national average. In comparison, Rest of Vic.'s median income is $50,954 and average income is $62,728. 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) as of September 2025. According to the 2021 Census, household, family and personal incomes in Trentham rank modestly, between the 33rd and 35th percentiles. The earnings profile shows that 28.0% of locals (433 people) fall into the $1,500 - 2,999 income category. This is similar to metropolitan regions where 30.3% occupy this range. Housing costs are manageable with 88.2% retained. However, disposable income is below average at the 40th percentile and 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

Trentham's dwelling structure, as per the latest Census, consisted of 95.5% houses and 4.5% other dwellings (semi-detached, apartments, 'other' dwellings). This compares to Non-Metro Vic.'s 96.1% houses and 3.9% other dwellings. Home ownership in Trentham was at 55.6%, with mortgaged dwellings at 32.2% and rented ones at 12.2%. The median monthly mortgage repayment in the area was $1,733, higher than Non-Metro Vic.'s average of $1,538. The median weekly rent figure was recorded at $386, compared to Non-Metro Vic.'s $300. Nationally, Trentham's mortgage repayments were lower than the Australian average of $1,863, while 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 percent of all households, including 18.8 percent couples with children, 43.2 percent couples without children, and 5.8 percent single parent families. Non-family households account for the remaining 30.6 percent, with lone person households at 29.3 percent and group households comprising 2.2 percent of the total. The median household size is 2.2 people, smaller than the Rest of 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 exceeds broader standards. Among residents aged 15+, 38.8% possess university qualifications, compared to 21.7% in the Rest of Vic., and 24.6% in the SA4 region. 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 them - advanced diplomas account for 13.9% and certificates for 20.9%. A significant 24.7% of the population is actively engaged in formal education.

This includes 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

Transport analysis shows one active public transport stop in Trentham. This stop offers mixed bus services, with one route providing 44 weekly passenger trips. Transport accessibility is limited, with residents typically located 709 meters from the nearest stop.

Service frequency averages six trips per day across all routes, resulting in approximately 44 weekly trips per individual stop.

Health performance in Trentham is lower than average with common health conditions somewhat prevalent across both younger and older age cohorts

Trentham faces significant health challenges with common health conditions prevalent across both younger and older age cohorts.

The rate of private health cover is approximately 53%, leading that of the average SA2 area, covering around 822 people. The most common medical conditions are arthritis and mental health issues, impacting 11.8% and 7.8% of residents respectively. Approximately 61.7% of residents declare themselves completely clear of medical ailments, compared to 63.5% across Rest of Vic.. Around 33.2% of residents are aged 65 and over (513 people), which is higher than the 24.2% in Rest of Vic.. Health outcomes among seniors are strong, performing better than the general population in health metrics.

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 was the predominant religion in Trentham, comprising 38.0% of people. Notably, Judaism was not present among Trentham's population, which differed from the Rest of Vic.'s 0.1%.

The top three ancestry groups were English (33.2%), Australian (23.0%), and Irish (14.9%). Some ethnic groups showed notable differences: Scottish at 11.0% in Trentham compared to 9.9% regionally, Welsh at 0.8% versus 0.6%, and French at 0.8% versus 0.4%.

Trentham ranks among the oldest 10% of areas nationwide

The median age in Trentham is 56 years, notably higher than Rest of Vic.'s average of 43 years and Australia's 38 years. The 55-64 age group constitutes 20.1% of Trentham's population, significantly higher than Rest of Vic.'s figure and well above the national average of 11.2%. In contrast, the 25-34 cohort is less prevalent at 5.1%. According to the 2021 Census, Trentham's 15 to 24 age group has grown from 5.5% to 7.6%, while the 25 to 34 cohort has declined from 6.5% to 5.1% and the 5 to 14 age group has dropped from 8.8% to 7.8%. By 2041, demographic projections indicate significant shifts in Trentham's age structure. The 25-34 cohort is projected to grow by 38%, adding 30 residents to reach a total of 109. Meanwhile, population declines are projected for the 45 to 54 and 65 to 74 cohorts.