Chart Color Schemes
This analysis uses Suburbs and Localities (SAL) boundaries, which can materially differ from Statistical Areas (SA2) even when sharing the same name.
SAL boundaries are defined by Australia Post and the Australian Bureau of Statistics to represent commonly-known suburb names used in postal addresses.
Statistical Areas (SA2) are designed for census data collection and may combine multiple suburbs or use different geographic boundaries. For comprehensive analysis, consider reviewing both boundary types if available.
est. as @ -- *
2021 Census | -- people
Sales Activity
Curious about local property values? Filter the chart to assess the volume and appreciation (including resales) trends and regional comparisons, or scroll to the map below view this information at an individual property level.
Find a Recent Sale
Sales Detail
Population
Population growth drivers in Seacliff Park are slightly above average based on AreaSearch's ranking of recent, and medium term trends
As of May 2026, the estimated population of the suburb of Seacliff Park is around 2,700. This reflects an increase of 56 people since the 2021 Census, which reported a population of 2,644. The change was inferred from AreaSearch's estimation of the resident population at 2,697 following examination of ABS data released in June 2025, and an additional 29 validated new addresses since the Census date. This results in a population density ratio of 1,179 persons per square kilometer, comparable to averages seen across other locations assessed by AreaSearch. Overseas migration contributed approximately 65% of overall population gains during recent periods.
AreaSearch uses ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022. For areas not covered and years post-2032, SA State Government's Regional/LGA projections by age category, released in 2023 based on 2021 data, are adopted with adjustments made employing weighted aggregation methods from LGA to SA2 levels. Future population dynamics anticipate a growth just below the national median statistical areas' average, with the suburb expected to increase by 197 persons to reach approximately 2,897 by 2041, reflecting an overall increase of about 7.2% over the 16-year period.
Frequently Asked Questions - Population
Development
Residential development activity is slightly higher than average within Seacliff Park when compared nationally
AreaSearch analysis of ABS building approval numbers shows Seacliff Park averaged around 17 new dwelling approvals annually. Between FY-21 and FY-25, approximately 86 homes were approved, with another 16 so far in FY-26. This results in an average of about 1.5 new residents per year per dwelling constructed over the past five financial years.
The market appears balanced, with stable conditions and new homes valued at around $475,000 on average, indicating a focus on premium developments. In FY-26, there have been approximately $14.6 million in commercial approvals, demonstrating moderate levels of commercial development. Compared to Greater Adelaide, Seacliff Park shows comparable construction activity per person, maintaining market equilibrium with surrounding areas.
Recent periods have seen an increase in development activity. New developments consist of 82% standalone homes and 18% medium and high-density housing, preserving the area's suburban nature and attracting space-seeking buyers. With around 121 people per dwelling approval, Seacliff Park is considered a low density area. Population forecasts indicate an increase of 194 residents by 2041, based on AreaSearch's latest quarterly estimate. Current development patterns suggest new housing supply should readily meet demand, offering favourable conditions for buyers and potentially facilitating population growth beyond current projections.
Frequently Asked Questions - Development
Development applications around Seacliff Park
Loading development applications…
| Lodged | Address | Description | Type | Distance | Status |
|---|
SOURCE: Planning portals and council registers, compiled by AreaSearch. Distance & bearing measured from the suburb midpoint.
Infrastructure
Seacliff Park has limited levels of nearby infrastructure activity, ranking in the 19thth percentile nationally
Changes to local infrastructure significantly influence an area's performance. AreaSearch has identified one major project that may impact this region: Southern Suburbs Residential Policy Code Amendment, Adelaide Public Transport Capacity and Access, Adelaide's Inner And Outer Ring Route Capacity Improvements, North South Corridor. The following details projects likely most relevant.
Professional plan users can use the search below to filter and access additional projects.
INFRASTRUCTURE SEARCH
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.
Frequently Asked Questions - Infrastructure
Enabling Infrastructure for Hydrogen Production
A national program to coordinate and deploy the enabling infrastructure required to support large-scale renewable hydrogen production across Australia. Building on the 2024 National Hydrogen Strategy and the National Hydrogen Infrastructure Assessment (NHIA), the program aligns electricity transmission, water supply, transport corridors, port and storage infrastructure with Renewable Energy Zones and prospective hydrogen hubs (Bell Bay, Darwin, Eyre Peninsula, Gladstone, Latrobe Valley, Hunter Valley, Pilbara). Two key federal mechanisms underpin delivery. The Hydrogen Headstart program provides up to 4 billion AUD in long-term revenue support via production credits, with Round 2 (2 billion AUD administered by ARENA) opening for Expressions of Interest in October 2025 with EOIs closing 8 December 2025. The Hydrogen Production Tax Incentive (HPTI), legislated through the Future Made in Australia (Production Tax Credits and Other Measures) Act 2025 which received Royal Assent on 14 February 2025, provides an uncapped refundable tax offset of 2 AUD per kilogram of eligible renewable hydrogen for up to 10 years between 1 July 2027 and 30 June 2040 for projects reaching final investment decision by 2030. The HPTI is jointly administered by the ATO and Clean Energy Regulator and requires certification under the Guarantee of Origin scheme. Round 1 of Hydrogen Headstart shortlisted six projects representing more than 3.5 GW of electrolyser capacity, with 814 million AUD ultimately awarded.
SA Water Capital Work Delivery Contracts 2024-28
SA Water's record $3.3 billion capital delivery program for the 2024-28 regulatory period, covering water and wastewater infrastructure across South Australia. The program targets water main replacements, sewerage network upgrades, dam upgrades, water tank refurbishments, and treatment process upgrades across metropolitan and regional areas. A central $1.5 billion component supports the South Australian Premier's Housing Roadmap, expanding network capacity to unlock up to 40,000 new allotments, with major focus on Adelaide's northern growth corridors including Angle Vale, Riverlea, and Roseworthy. Six major framework partners (Fulton Hogan Utilities, John Holland and Guidera O'Connor JV, McConnell Dowell and Diona JV, BMD, Diona, and Leed Engineering and Construction) are delivering works across approximately 120 projects. In Year 1 (to June 2025), $681.6 million in capital was invested. The program runs to June 2028.
Adelaide Public Transport Capacity and Access
State-led program work to increase public transport capacity and access to, through and within central Adelaide. Current work is focused on the City Access Strategy (20-year movement plan for the CBD and North Adelaide) and the State Transport Strategy program, which together will shape options such as bus priority, interchange upgrades, tram and rail enhancements, and better first/last mile access.
SA Housing Trust Maintenance Contracts Review and Service Program
Statewide maintenance and service contracts for SA Housing Trust public housing properties, covering reactive maintenance, vacancy restoration and minor works across metropolitan and regional South Australia. The program is delivered by Spotless Facility Services, RTC Facilities Maintenance and Torrens Facility Management. A 2024 SA Government review examined payment, timeliness, dispute resolution and contract performance issues, and the government provided additional funding to accelerate maintenance and upgrades on vacant public housing homes.
Bulk Water Supply Security
Nationwide program led by the National Water Grid Authority to improve bulk water security and reliability for non-potable and productive uses. Activities include strategic planning, science and business cases, and funding of state and territory projects such as storages, pipelines, dam upgrades, recycled water and efficiency upgrades to build drought resilience and support regional communities, industry and the environment.
National EV Charging Network (Highway Fast Charging)
Partnership between the Australian Government and NRMA to deliver a backbone EV fast charging network on national highways. Program funds and co-funds 117 DC fast charging sites at roughly 150 km intervals to connect all capital cities and regional routes, reducing range anxiety and supporting EV uptake.
Adelaide Level Crossing Removal Planning Program
A joint Australian and South Australian Government program to conduct planning studies at priority at-grade level crossing locations across metropolitan Adelaide, and establish a ten-year Level Crossing Removal Program. Adelaide has 126 at-grade level crossings where boom gates can be closed for up to 25% of peak traffic periods. Priority sites under active planning include Cormack Road (Wingfield), Kings Road (Parafield), and Park Terrace (Salisbury). The program commenced in early 2022 and is expected to be completed by late 2026, with the first major removal project - Curtis Road, Munno Para - announced in May 2025 with a $250 million joint funding commitment and construction starting by 2027.
Network Optimisation Program - Roads
A national program concept focused on improving congestion and reliability on urban road networks by using low-cost operational measures and technology (e.g., signal timing, intersection treatments, incident management) to optimise existing capacity across major city corridors.
Employment
Employment conditions in Seacliff Park demonstrate exceptional strength compared to most Australian markets
Seacliff Park's workforce is well-educated with significant representation in essential services sectors. The unemployment rate was 2.5% as of December 2025, with an estimated employment growth of 4.1% over the preceding year, according to AreaSearch data aggregation. As of December 2025, 1,553 residents were employed, and the unemployment rate was 1.3% lower than Greater Adelaide's rate of 3.8%.
Workforce participation was 70.5%, slightly higher than Greater Adelaide's 66.0%. Census responses indicated that only 11.4% of residents worked from home, though Covid-19 lockdown impacts should be considered. The leading employment industries were health care & social assistance, construction, and education & training. Seacliff Park had a particular specialization in construction, with an employment share 1.4 times the regional level, but manufacturing showed lower representation at 4.9% compared to the regional average of 7.0%.
Employment opportunities appeared limited locally due to the predominantly residential nature of the area. Between December 2024 and December 2025, employment levels increased by 4.1%, and labour force grew by 3.8%, reducing the unemployment rate by 0.3 percentage points. In contrast, Greater Adelaide saw employment rise by 4.2% and unemployment fall by 0.3 percentage points during the same period. Jobs and Skills Australia's national employment forecasts from May-25 suggest that national employment will expand by 6.6% over five years and 13.7% over ten years, with varying growth rates across industry sectors. Applying these projections to Seacliff Park's employment mix indicates potential local employment increases of 7.0% over five years and 14.4% over ten years, although these are simple extrapolations for illustrative purposes and do not account for localized population projections.
Frequently Asked Questions - Employment
Income
Income levels align closely with national averages, indicating typical economic conditions for Australian communities according to AreaSearch analysis
The suburb of Seacliff Park had a higher than average national income level according to AreaSearch aggregated ATO data for the financial year ending June 2023. The median income among taxpayers in Seacliff Park was $54,832 and the average income stood at $70,289, compared to Greater Adelaide's figures of $54,808 and $66,852 respectively. Based on a 10.17% growth rate from Wage Price Index data since June 2023, estimates for March 2026 would be approximately $60,408 (median) and $77,437 (average). According to the 2021 Census, incomes in Seacliff Park clustered around the 53rd percentile nationally. The data showed that 32.2% of the population, equating to 869 individuals, fell within the $1,500 - $2,999 income range, similar to the metropolitan region where this cohort also represented 31.8%. After accounting for housing costs, 85.2% of income remained for other expenses. The area's SEIFA income ranking placed it in the 7th decile.
Frequently Asked Questions - Income
Housing
Seacliff Park is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership
The dwelling structure in Seacliff Park, as evaluated at the latest Census, consisted of 83.9% houses and 16.1% other dwellings (semi-detached, apartments, 'other' dwellings), compared to Adelaide metro's 75.2% houses and 24.9% other dwellings. The level of home ownership in Seacliff Park was at 37.3%, with the remaining dwellings either mortgaged (41.7%) or rented (20.9%). The median monthly mortgage repayment in the area was $1,800, exceeding the Adelaide metro average, while the median weekly rent figure was recorded at $370, compared to Adelaide metro's $320. Nationally, Seacliff Park's mortgage repayments were lower than the Australian average of $1,863, and rents were less than the national figure of $375.
Frequently Asked Questions - Housing
Household Composition
Seacliff Park has a typical household mix, with a lower-than-average median household size
Family households account for 70.4% of all households, including 30.4% couples with children, 28.0% couples without children, and 11.2% single parent families. Non-family households constitute the remaining 29.6%, with lone person households at 26.1% and group households comprising 3.7%. The median household size is 2.4 people, which is smaller than the Greater Adelaide average of 2.5.
Frequently Asked Questions - Households
Local Schools & Education
Seacliff Park demonstrates exceptional educational outcomes, ranking among the top 5% of areas nationally based on AreaSearch's comprehensive analysis of qualification and performance metrics
The area's educational profile is notable regionally with university qualification rates at 31.4%, exceeding the South Australian average of 25.7% and the SA4 region average of 28.1%. Bachelor degrees are most prevalent at 20.9%, followed by postgraduate qualifications at 7.4% and graduate diplomas at 3.1%. Vocational credentials are prominent, with 36.7% of residents aged 15+ holding such qualifications – advanced diplomas at 12.2% and certificates at 24.5%.
Educational participation is high, with 26.9% currently enrolled in formal education. This includes 8.9% in primary education, 6.9% in secondary education, and 5.4% pursuing tertiary education.
Frequently Asked Questions - Education
Schools Detail
Nearby Services & Amenities
Transport
Transport servicing is good compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility
Seacliff Park has 17 active public transport stops operating within it. These stops serve a mix of bus routes, totalling 14 individual routes. Together, they facilitate 1,196 weekly passenger trips. The accessibility of these services is rated as excellent, with residents typically located just 179 meters from the nearest stop. The area is predominantly residential, and most commuters travel outward. Cars remain the primary mode of transport, used by 87% of residents, while train usage stands at 8%.
On average, there are 1.5 vehicles per dwelling. According to the 2021 Census, only 11.4% of residents work from home, which may be influenced by COVID-19 conditions. The service frequency averages 170 trips per day across all routes, equating to approximately 70 weekly trips per individual stop.
Frequently Asked Questions - Transport
Transport Stops Detail
Health
Seacliff Park's residents are extremely healthy with both young and old age cohorts seeing low prevalence of common health conditions
Analysis of health metrics shows strong performance throughout Seacliff Park. AreaSearch's assessment found low prevalence of common health conditions among both young and old age cohorts.
The rate of private health cover was approximately 55% of the total population (~1,478 people), compared to 52.7% across Greater Adelaide. The most common medical conditions were arthritis and asthma, impacting 7.6 and 7.3% of residents respectively. Seventy-point-eight percent declared themselves completely clear of medical ailments, compared to 67.9% across Greater Adelaide. Working-age residents showed notably healthy outcomes with low chronic condition prevalence. The area has 21.3% of residents aged 65 and over (575 people), which is higher than the 19.2% in Greater Adelaide. Health outcomes among seniors are particularly strong, with national rankings broadly in line with the general population.
Frequently Asked Questions - Health
Cultural Diversity
The level of cultural diversity witnessed in Seacliff Park was found to be slightly above average when compared nationally for a number of language and cultural background related metrics
Seacliff Park, surveyed in June 2016, exhibited above-average cultural diversity with 11.9% of residents speaking a language other than English at home and 26.5% born overseas. Christianity was the predominant religion, accounting for 40.6% of the population as per data from 30 June 2017. Notably, the 'Other' religious category comprised 2.2%, slightly higher than Greater Adelaide's 1.8%.
In terms of ancestry, the top groups were English (31.2%), Australian (26.3%), and Other (8.3%). Some ethnic groups showed significant differences: Polish residents made up 1.2% compared to 1.0% regionally, Germans comprised 5.9% versus 5.1%, and Russians constituted 0.4% against a regional average of 0.3%.
Frequently Asked Questions - Diversity
Age
Seacliff Park's median age exceeds the national pattern
The median age in Seacliff Park is 41 years, which is higher than Greater Adelaide's average of 39 years and the national average of 38 years. The age profile shows that those aged 45-54 are particularly prominent, making up 13.4% of the population, while those aged 25-34 comprise only 12.0%. Between 2021 and present, the 15 to 24 age group has increased from 10.9% to 12.5%, while the 75 to 84 cohort has grown from 5.7% to 7.2%. Conversely, the 65 to 74 cohort has declined from 12.1% to 10.7%. By 2041, demographic projections indicate significant shifts in Seacliff Park's age structure. The 85+ age cohort is projected to rise substantially, increasing by 87 people (95%) from 91 to 179. Conversely, both the 5 to 14 and 0 to 4 age groups are expected to decrease in number.