Diamond Creek

Population growth drivers in Diamond Creek are slightly above average based on AreaSearch's ranking of recent, and medium term trends

Based on ABS population updates and AreaSearch validations, the Diamond Creek statistical area's population was estimated at 12,503 as of Nov 2021. This increased to around 13,019 by Nov 2025, reflecting a growth of 516 people (4.1%) since the 2021 Census. AreaSearch's estimate of resident population in June 2024 was 12,801, with an additional 118 validated new addresses contributing to this increase. This results in a density ratio of 746 persons per square kilometer, comparable to averages across locations assessed by AreaSearch. Diamond Creek's growth since the 2021 Census (4.1%) exceeded its SA3 area's growth (2.8%), indicating it as a growth leader in the region. Natural growth contributed approximately 62.0% of overall population gains during recent periods.

AreaSearch projections for Diamond Creek use ABS/Geoscience Australia data released in 2024 with a base year of 2022, and VIC State Government's Regional/LGA projections from 2023 adjusted to SA2 levels. Projected demographic trends indicate above median population growth for the area, with an expected expansion by 2,534 persons to 2041, reflecting a total increase of 17.6% over the 17 years.

AreaSearch analysis of residential development drivers sees Diamond Creek recording a relatively average level of approval activity when compared to local markets analysed countrywide

Diamond Creek recorded approximately 60 residential properties approved each year over the past five financial years, totalling around 301 homes. As of FY26, 15 approvals have been granted. Between FY21 and FY25, an average of 0.8 people moved to the area per dwelling built annually. New construction is matching or exceeding demand, offering buyers more options while new properties are constructed at an average value of $714,000, targeting the premium market segment.

In FY26, there have been $11.5 million in commercial approvals. Compared to Greater Melbourne, Diamond Creek shows 98.0% higher new home approvals per person. Building activity comprises 81.0% detached houses and 19.0% townhouses or apartments, maintaining the area's traditional low density character with a focus on family homes appealing to those seeking space. The location has approximately 329 people per dwelling approval, indicating a low density market.

Future projections estimate Diamond Creek adding 2,290 residents by 2041 based on current development patterns.

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

Eleven projects have been identified by AreaSearch as potentially impacting the area. These include the Diamond Creek Community Infrastructure Master Plan, Eltham Major Activity Centre, Nillumbik Waste Management Facility Upgrade, and Diamond Creek Outdoor Pool Upgrade.

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

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Employment conditions in Diamond Creek rank among the top 10% of areas assessed nationally

Diamond Creek has a highly educated workforce with significant representation from essential services sectors. Its unemployment rate stands at 1.7%, reflecting relative employment stability over the past year, as per AreaSearch's aggregation of statistical area data.

As of September 2025, 7,817 residents are employed while the unemployment rate is 2.9% lower than Greater Melbourne's rate of 4.7%. Workforce participation in Diamond Creek is high at 72.5%, compared to Greater Melbourne's 64.1%. Employment is concentrated in construction, health care & social assistance, and education & training sectors. Notably, construction employment is particularly strong, with a share 1.6 times the regional level.

Conversely, professional & technical services show lower representation at 7.4% versus the regional average of 10.1%. The area appears to offer limited local employment opportunities, indicated by the count of Census working population versus resident population. Over the 12 months to September 2025, labour force levels increased by 0.2%, while employment declined by 0.1%, resulting in a rise in unemployment rate by 0.3 percentage points. In comparison, Greater Melbourne recorded employment growth of 3.0% and labour force growth of 3.3%, with unemployment rising by 0.3 percentage points. State-level data to 25-Nov shows Victoria's employment grew by 1.13% year-on-year, adding 41,950 jobs, with the state unemployment rate at 4.7%. National employment forecasts from May-25 suggest national employment will expand by 6.6% over five years and 13.7% over ten years. Applying these projections to Diamond Creek's employment mix indicates local employment should increase by 6.7% over five years and 13.7% over ten years, though this is a simple extrapolation for illustrative purposes and does not consider localised population projections.

Income metrics indicate excellent economic conditions, with the area achieving higher performance than 75% of national locations assessed by AreaSearch

The suburb of Diamond Creek had a high national income level according to latest ATO data aggregated by AreaSearch for financial year 2023. The median income among taxpayers was $60,624 and the average income stood at $76,409. These figures compared to Greater Melbourne's median income of $57,688 and average income of $75,164 respectively. Based on Wage Price Index growth of 8.25% since financial year 2023, current estimates for Diamond Creek would be approximately $65,625 (median) and $82,713 (average) as of September 2025. From the 2021 Census, household, family and personal incomes in Diamond Creek ranked highly nationally, between the 77th and 90th percentiles. Income analysis revealed that 33.2% of the population, consisting of 4,322 individuals, fell within the $1,500 - 2,999 income range, which was consistent with broader trends across the region showing 32.8% in the same category. Economic strength was evident through 39.2% of households achieving high weekly earnings exceeding $3,000, supporting elevated consumer spending. After housing costs, residents retained 87.5% of their income, reflecting strong purchasing power and the area's SEIFA income ranking placed it in the 8th decile.

Diamond Creek is characterized by a predominantly suburban housing profile, with a higher proportion of rental properties than the broader region

Diamond Creek's dwelling structure, as per the latest Census, consisted of 94.4% houses and 5.6% other dwellings (semi-detached, apartments, 'other' dwellings). This is compared to Melbourne metro's 93.9% houses and 6.0% other dwellings. Home ownership in Diamond Creek was at 36.0%, with the rest being mortgaged (53.9%) or rented (10.1%). The median monthly mortgage repayment was $2,167, similar to Melbourne metro's average. The median weekly rent was $430, compared to Melbourne metro's $431. Nationally, Diamond Creek's mortgage repayments were higher at $2,167 versus the Australian average of $1,863. Rents in Diamond Creek were substantially above the national figure of $375.

Diamond Creek features high concentrations of family households, with a fairly typical median household size

Family households account for 84.4% of all households, including 47.3% couples with children, 25.7% couples without children, and 10.8% single parent families. Non-family households constitute the remaining 15.6%, with lone person households at 14.6% and group households comprising 0.9%. The median household size is 2.9 people, aligning with Greater Melbourne's average.

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

Diamond Creek trail residents aged 15+ with university degrees comprise 29.3%, compared to Greater Melbourne's 37.0%. Bachelor degrees are most prevalent at 19.6%, followed by postgraduate qualifications (5.7%) and graduate diplomas (4.0%). Vocational credentials are held by 36.6% of residents aged 15+, with advanced diplomas at 12.5% and certificates at 24.1%. Current educational participation is high, with 30.0% enrolled in formal education: primary (9.7%), secondary (9.0%), and tertiary (5.2%).

Educational participation is notably high, with 30.0% of residents currently enrolled in formal education. This includes 9.7% in primary education, 9.0% in secondary education, and 5.2% pursuing tertiary education.

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

Transport analysis indicates 45 active stops operating within Diamond Creek, offering a mix of train and bus services. These stops are served by 10 individual routes, collectively facilitating 5,034 weekly passenger trips. Transport accessibility is rated as good, with residents typically located 266 meters from the nearest stop.

Service frequency averages 719 trips per day across all routes, equating to approximately 111 weekly trips per individual stop.

Diamond Creek's residents are extremely healthy with both young and old age cohorts seeing low prevalence of common health conditions

Analysis of health metrics indicates robust performance across Diamond Creek, with both younger and older age groups exhibiting low prevalence of common health conditions. Approximately 57% (~7,419 people) of the total population has private health cover, compared to Greater Melbourne's 60.9%.

The most prevalent medical conditions are asthma (7.8%) and mental health issues (7.7%). Around 71.8% of residents claim to be free from medical ailments, compared to 70.6% in Greater Melbourne. Diamond Creek has 15.2% (1,978 people) of its population aged 65 and over, lower than Greater Melbourne's 19.2%. Health outcomes among seniors align with the general population's health profile.

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

Diamond Creek had a lower than average cultural diversity, with 85.0% of its population born in Australia, 94.0% being citizens, and 91.1% speaking English only at home. Christianity was the predominant religion, making up 46.8% of people in Diamond Creek. There was an overrepresentation of Judaism, comprising 0.1% compared to the regional average of 0.1%.

The top three ancestry groups were English (28.4%), Australian (26.5%), and Irish (9.4%). Notably, Macedonian (1.0%) was slightly overrepresented compared to the regional figure of 0.7%, as were Italian (6.8% vs 6.2%) and Maltese (1.2% vs 1.0%).

Diamond Creek's population aligns closely with national norms in age terms

The median age in Diamond Creek was 39 years old, slightly higher than Greater Melbourne's average of 37 years and close to the national average of 38 years as per the 2021 Census data. The 55-64 age group comprised 13.9% of Diamond Creek's population compared to Greater Melbourne's average, indicating an over-representation locally. Conversely, the 25-34 year-olds made up only 9.7% of Diamond Creek's population, showing under-representation relative to Greater Melbourne. Post-Census data revealed that the 75 to 84 age group had grown from 3.6% to 5.0% of the population, while the 25-34 cohort had declined from 11.2% to 9.7%. Population forecasts for 2041 suggest significant demographic changes in Diamond Creek. Notably, the 75 to 84 age group is projected to grow by 80%, adding 522 people and reaching a total of 1,173 from the previous count of 650. This growth is part of an overall demographic aging trend, with residents aged 65 and older accounting for 53% of anticipated population growth. Conversely, the 0 to 4 age group is projected to decrease by 44 people.