Seacliff Park

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

Based on analysis of ABS population updates for the broader area, as of Nov 2025, the estimated population of the Seacliff Park statistical area (Lv2) is around 2,737. This reflects an increase of 93 people since the 2021 Census, which reported a population of 2,644. The change was inferred from AreaSearch's estimate of the resident population at 2,726 following examination of the latest ERP data release by the ABS in June 2024, along with an additional 4 validated new addresses since the Census date. This level of population equates to a density ratio of 1,195 persons per square kilometer, which is relatively in line with averages seen across locations assessed by AreaSearch. Population growth for the area was primarily driven by overseas migration that contributed approximately 65.0% of overall population gains during recent periods.

AreaSearch adopted 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, the SA State Government's Regional/LGA projections by age category were adopted, based on 2021 data and released in 2023, with adjustments made employing a method of weighted aggregation of population growth from LGA to SA2 levels. Looking at population projections moving forward, a population increase just below the median of national statistical areas is expected for the Seacliff Park (SA2), with an expected expansion by 206 persons to reach 3,013 by 2041 based on aggregated SA2-level projections, reflecting a gain of 7.8% in total over the 17 years.

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

Seacliff Park has seen approximately 17 dwelling approvals per year based on AreaSearch analysis of ABS building approval numbers. Around 87 homes were approved between FY-21 and FY-25, with an additional 12 approved in FY-26 to date. On average, 1.1 people have moved to the area annually for each dwelling built over the past five financial years.

This balance indicates stable market conditions, with new dwellings valued at approximately $475,000, targeting the premium market segment. In FY-26, commercial development approvals totalled $14.6 million, demonstrating moderate commercial activity. Compared to Greater Adelaide, Seacliff Park has similar development levels per person, maintaining market equilibrium.

Recent construction comprises 82% detached dwellings and 18% attached dwellings, preserving the area's suburban character focused on family homes. With around 118 people per dwelling approval, Seacliff Park is considered a low-density area. Population forecasts indicate an increase of 212 residents by 2041, with current development rates expected to comfortably meet demand and potentially support growth beyond current projections.

Seacliff Park has limited levels of nearby infrastructure activity, ranking in the 17thth percentile nationally

Changes to local infrastructure significantly impact an area's performance. AreaSearch has identified one major project likely affecting this region. Key projects are Southern Suburbs Residential Policy Code Amendment, Adelaide Public Transport Capacity and Access, Adelaide's Inner And Outer Ring Route Capacity Improvements, and North South Corridor. The following list details those 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.

Employment conditions in Seacliff Park demonstrate strong performance, ranking among the top 35% of areas assessed nationally

Seacliff Park has an educated workforce with prominent representation in essential services sectors. Its unemployment rate is 2.8%, lower than Greater Adelaide's 3.9%.

Over the past year, employment grew by 3.3%. As of September 2025, 1,588 residents are employed, with a participation rate of 65.9% compared to Greater Adelaide's 61.7%. Key industries include health care & social assistance, construction, and education & training, with construction showing strong specialization at 1.4 times the regional level. Manufacturing representation is lower at 4.9%, versus the regional average of 7.0%.

Between September 2024 and September 2025, employment increased by 3.3% while labour force grew by 3.6%, causing unemployment to rise by 0.3 percentage points. In comparison, Greater Adelaide saw employment grow by 3.0%, labour force expand by 2.9%, and unemployment fall by 0.1 percentage points. State-level data from November 25 shows South Australia's employment grew by 1.19% year-on-year, with an unemployment rate of 4.0%. Nationally, the unemployment rate is 4.3%, with SA's employment growth outpacing the national average of 0.14%. Jobs and Skills Australia forecasts national employment to expand by 6.6% over five years and 13.7% over ten years. Applying these projections to Seacliff Park's employment mix suggests local employment should increase by 7.0% over five years and 14.4% over ten years, based on a simple weighting extrapolation for illustrative purposes.

Income levels align closely with national averages, indicating typical economic conditions for Australian communities according to AreaSearch analysis

As per AreaSearch's latest postcode level ATO data released for financial year ended 30 June 2023, the suburb of Seacliff Park's median income among taxpayers is $54,832, with an average of $70,289. This is higher than the national average and compares to Greater Adelaide's median of $54,808 and average of $66,852. Based on Wage Price Index growth of 8.8% from financial year ended 30 June 2023 to September 2025, current estimates would be approximately $59,657 (median) and $76,474 (average). From the Census conducted in August 2021, household, family and personal incomes in Seacliff Park cluster around the 53rd percentile nationally. The earnings profile shows that 32.2% of locals (881 people) fall within the $1,500 - 2,999 income category, similar to the metropolitan region where 31.8% occupy this range. After housing expenses, 85.2% of income remains for other expenses. The area's SEIFA income ranking places it in the 7th decile.

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

As evaluated in the latest Census, dwelling structures within Seacliff Park consisted of 83.9% houses and 16.1% other dwellings (semi-detached, apartments, 'other' dwellings). This compares to Adelaide metro's structure of 70.8% houses and 29.2% other dwellings. Home ownership in Seacliff Park stood at 37.3%, with mortgaged dwellings at 41.7% and rented ones at 20.9%. The median monthly mortgage repayment was $1,800, higher than Adelaide metro's average of $1,700. Median weekly rent in Seacliff Park was recorded at $370, compared to Adelaide metro's $330. 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.

Seacliff Park has a typical household mix, with a fairly typical 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 make up the remaining 29.6%, with lone person households at 26.1% and group households comprising 3.7% of the total. The median household size is 2.4 people, which matches the Greater Adelaide average.

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 stands out regionally, with university qualification rates at 31.4% of residents aged 15+, exceeding the South Australian (SA) average of 25.7% and that of the SA4 region at 28.1%. Bachelor degrees lead at 20.9%, followed by postgraduate qualifications at 7.4% and graduate diplomas at 3.1%. Trade and technical skills are prominent, with 36.7% of residents aged 15+ holding vocational credentials – advanced diplomas at 12.2% and certificates at 24.5%.

Educational participation is notably high, with 26.9% of residents currently enrolled in formal education, including 8.9% in primary education, 6.9% in secondary education, and 5.4% pursuing tertiary education.

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

Analysis shows 17 active public transport stops within Seacliff Park, all providing bus services. These stops are served by 14 different routes, offering a total of 1,196 weekly passenger trips. Transport accessibility is rated excellent, with residents on average located 179 meters from the nearest stop.

Service frequency averages 170 trips per day across all routes, translating to approximately 70 weekly trips per individual stop.

Seacliff Park's residents are healthier than average in comparison to broader Australia with prevalence of common health conditions quite low across both younger and older age cohorts

Health data shows that Seacliff Park residents have a relatively low prevalence of common health conditions across both younger and older age groups. Approximately 55% (~1,499 people) have private health cover, compared to 51.4% across Greater Adelaide.

The most prevalent medical conditions are arthritis (7.6%) and asthma (7.3%). A total of 70.8% of residents report no medical ailments, compared to 68.1% in Greater Adelaide. As of the data source, Seacliff Park has 20.7% (566 people) of its population aged 65 and over, higher than Greater Adelaide's 19.2%. Health outcomes among seniors are notably strong, outperforming those of the general population in relevant health metrics.

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's cultural diversity was above average, with 11.9% speaking a language other than English at home and 26.5% born overseas. Christianity was the main religion, comprising 40.6%. The 'Other' category showed overrepresentation at 2.2%, compared to Greater Adelaide's 1.6%.

In ancestry, English (31.2%), Australian (26.3%), and Other (8.3%) were the top groups. Notably, Polish was overrepresented at 1.2% vs regional 1.1%, German at 5.9% vs 5.0%, and Russian at 0.4% vs 0.3%.

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 modestly exceeds the national average of 38 years. The age profile shows that those aged 45-54 are particularly prominent, making up 13.6% of the population, while the 25-34 age group is smaller at 12.1%. Between 2021 and present, the 15 to 24 age group has grown from 10.9% to 12.3%, and the 75 to 84 cohort has increased from 5.7% to 6.9%. Conversely, the 65 to 74 age group has declined from 12.1% to 10.8%. Looking ahead to 2041, demographic projections show significant shifts in Seacliff Park's age structure. The 85+ age cohort is projected to grow exceptionally, increasing by 88 people (108%) from 82 to 171. Conversely, both the 5-14 and 65-74 age groups are expected to decrease in numbers.