Diamond Creek

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

As per AreaSearch's analysis of ABS population updates and new addresses validated by Feb 2026, the suburb of Diamond Creek's estimated population stands at approximately 13,024. This figure reflects an increase of 521 people since the 2021 Census, which reported a population of 12,503. The change is inferred from AreaSearch's estimated resident population of 12,801 in Jun 2024 and an additional 119 validated new addresses since the Census date. This results in a density ratio of 746 persons per square kilometer, comparable to averages seen across locations assessed by AreaSearch. Diamond Creek's growth rate of 4.2% since the 2021 census outperformed the SA3 area's 2.8%, positioning it as a growth leader in the region. Natural growth contributed approximately 62.0% of overall population gains during recent periods.

AreaSearch employs ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022. For areas not covered by this data, AreaSearch utilises VIC State Government's Regional/LGA projections from 2023, adjusted using weighted aggregation methods to SA2 levels. Considering these projections and demographic shifts, the suburb is forecasted to experience significant population growth, with an increase of 2,532 persons expected by 2041, reflecting a total increase of 17.7% over the 17-year period.

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

AreaSearch analysis of ABS building approval numbers shows Diamond Creek has recorded approximately 60 residential properties granted approval per year over the past five financial years, totalling an estimated 301 homes. As of FY26, 16 approvals have been recorded. Between FY21 and FY25, an average of 0.8 new residents was associated with each dwelling constructed. This suggests that new supply is keeping pace with or exceeding demand, providing ample buyer choice and capacity for population growth beyond current forecasts.

The average construction value of these dwellings is $714,000, indicating a focus on the premium market with high-end developments. In FY26, $11.5 million in commercial approvals have been registered, suggesting balanced commercial development activity. Compared to Greater Melbourne, Diamond Creek shows 99.0% higher construction activity per person. Recent construction comprises 81.0% standalone homes 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.

With around 325 people per dwelling approval, Diamond Creek exhibits characteristics of a low density area. According to AreaSearch's latest quarterly estimate, Diamond Creek is expected to grow by 2,309 residents through to 2041. Based on current development patterns, new housing supply should readily meet demand, offering good conditions for buyers and potentially facilitating population growth beyond current projections.

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

Eleven projects identified by AreaSearch are expected to influence the local area's performance significantly. These projects include the Diamond Creek Community Infrastructure Master Plan, Eltham Major Activity Centre, Nillumbik Waste Management Facility Upgrade, and Diamond Creek Outdoor Pool Upgrade, with the following list detailing those likely to have the most relevance.

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.

The exceptional employment performance in Diamond Creek places it among Australia's strongest labour markets

Diamond Creek has an educated workforce with prominent representation in essential services sectors. Its unemployment rate was 2.0% as of December 2025. This rate is 0.7 percentage points lower than the previous year's figure.

The area's unemployment rate is also below Greater Melbourne's, which stood at 4.8%. Workforce participation in Diamond Creek is high at 77.2%, compared to Greater Melbourne's 71.3%. According to Census responses, 31.6% of residents work from home, potentially influenced by Covid-19 lockdowns. The dominant employment sectors are construction, health care & social assistance, and education & training.

Construction is particularly strong, with an employment share 1.6 times the regional level. However, professional & technical services employ only 7.4% of local workers, below Greater Melbourne's 10.1%. The area appears to offer limited local employment opportunities, as indicated by the ratio of Census working population to resident population. Between December 2024 and December 2025, employment increased by 0.7%, while labour force grew by 1.3%, resulting in a 0.5 percentage point rise in unemployment. In comparison, Greater Melbourne recorded higher employment and labour force growth rates, with a smaller increase in unemployment. Jobs and Skills Australia's national employment forecasts from May-25 project national employment growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Diamond Creek's employment mix suggests local employment should increase by 6.7% over five years and 13.7% over ten years, though this is a simplified extrapolation for illustrative purposes and does not account for localized population projections.

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

In Diamond Creek, taxpayers had a median income of $60,624 and an average income of $76,409 in the financial year 2023. Nationally, these figures stood at $57,688 and $75,164 respectively. By September 2025, adjusted for Wage Price Index growth of 8.25%, median income is estimated to be approximately $65,625 and average income around $82,713. As per the 2021 Census, Diamond Creek's incomes rank between the 77th and 90th percentiles nationally for households, families, and individuals. The income band of $1,500 - $2,999 covers 33.2% of residents (4,323 individuals), similar to the surrounding region at 32.8%. Notably, 39.2% earn above $3,000 per week, indicating strong economic capacity in the area. After housing costs, residents retain 87.5% of their income, reflecting robust purchasing power. The SEIFA income ranking places Diamond Creek in the 8th decile.

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

Diamond Creek's housing composition, as per the latest Census, was 94.4% houses and 5.6% other dwellings (semi-detached, apartments, 'other' dwellings). This compares to Melbourne metro's 67.9% houses and 32.1% other dwellings. Home ownership in Diamond Creek stood at 36.0%, with mortgaged dwellings at 53.9% and rented ones at 10.1%. The median monthly mortgage repayment was $2,167, higher than Melbourne metro's average of $2,000. Median weekly rent in Diamond Creek was $430, compared to Melbourne metro's $390. Nationally, Diamond Creek's mortgage repayments were significantly higher at $2,167 versus the Australian average of $1,863, and rents were substantially above the national figure of $375.

Diamond Creek features high concentrations of family households, with a higher-than-average median household size

Family households account for 84.4% of all households, consisting of 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, which is larger than the Greater Melbourne average of 2.6.

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

Diamond Creek trail region has 29.3% of residents aged 15 and over holding university degrees, compared to Greater Melbourne's 37.0%. This indicates potential for educational development. Bachelor degrees are most common at 19.6%, followed by postgraduate qualifications (5.7%) and graduate diplomas (4.0%). Vocational credentials are prominent, with 36.6% of residents aged 15 and over holding them - advanced diplomas at 12.5% and certificates at 24.1%.

Educational participation is 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

Diamond Creek has 45 active public transport stops, all of which are bus stops. These stops are served by 10 different routes that together facilitate 5,034 weekly passenger trips. The area's transport accessibility is considered good, with residents typically residing 266 meters from the nearest stop. Most Diamond Creek residents commute outwards daily due to its residential nature. Cars remain the primary mode of transportation for 92% of residents, while trains are used by 5%. On average, there are 2.0 vehicles per dwelling in Diamond Creek, which is higher than the regional average.

According to the 2021 Census, a significant 31.6% of residents work from home, possibly due to COVID-19 conditions. The service frequency across all routes averages 719 trips per day, 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 shows Diamond Creek's health metrics indicate strong performance.

Mortality rates and chronic condition prevalence were low across both young and old age cohorts. Private health cover was high at approximately 57% of the total population (~7,422 people). The most common medical conditions were asthma (7.8%) and mental health issues (7.7%). A majority, 71.8%, reported being completely clear of medical ailments, compared to Greater Melbourne's 72.6%. Under-65 residents had better than average health outcomes. Diamond Creek has 16.3% of residents aged 65 and over (2,122 people), higher than Greater Melbourne's 15.1%. Health outcomes among seniors were strong, aligning with national rankings for the general population.

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 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, comprising 46.8% of Diamond Creek's population. Judaism was overrepresented at 0.1%, compared to Greater Melbourne's average of 1.0%.

The top three ancestry groups were English (28.4%), Australian (26.5%), and Irish (9.4%). Macedonian, Italian, and Maltese groups showed notable divergences in representation compared to regional averages.

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

The median age in Diamond Creek is 39 years, which is higher than Greater Melbourne's average of 37 years and very close to the national average of 38 years. Compared to Greater Melbourne, the 55-64 age cohort is notably over-represented in Diamond Creek at 13.7%, while the 25-34 age group is under-represented at 9.4%. According to post-2021 Census data, the 75 to 84 age group has increased from 3.6% to 5.4% of the population, whereas the 25 to 34 age cohort has decreased from 11.2% to 9.4%. By 2041, population forecasts indicate significant demographic changes for Diamond Creek. The 75 to 84 age group is projected to grow by 68%, adding 475 people and reaching a total of 1,179 from the current 703. Conversely, the 0 to 4 age group is forecasted to decrease by 29 residents.