Sellicks Beach

Sellicks Beach has seen population growth performance typically on par with national averages when looking at short and medium term trends

As per ABS population updates for the broader area and new addresses validated by AreaSearch, the suburb of Sellicks Beach's population is estimated at around 3,073 as of Feb 2026. This figure represents an increase of 368 people (13.6%) since the 2021 Census, which reported a population of 2,705 people. The change is inferred from the resident population of 2,928, estimated by AreaSearch following examination of the latest ERP data release by the ABS in June 2024 and an additional 4 validated new addresses since the Census date. This level of population equates to a density ratio of 495 persons per square kilometer. Sellicks Beach's growth rate of 13.6% since the 2021 census exceeded that of the SA3 area (6.4%) and the SA4 region, indicating it as a growth leader in the region. Population growth for the suburb was primarily driven by overseas migration, contributing approximately 50.0% of overall population gains during recent periods.

AreaSearch is adopting ABS/Geoscience Australia projections for each SA2 area, released in 2024 with 2022 as the base year. For areas not covered by this data and years post-2032, the SA State Government's Regional/LGA projections by age category are 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. Future population trends suggest an increase just below the median of statistical areas analysed by AreaSearch, with the suburb expected to grow by 204 persons to reach 3,277 by 2041 based on aggregated SA2-level projections, reflecting a decline of 1.1% in total over the 17 years.

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

AreaSearch analysis of ABS building approval numbers shows Sellicks Beach averaged around 22 new dwelling approvals annually over the past five financial years, totalling an estimated 112 homes. So far in FY-26, 15 approvals have been recorded. An average of 1.2 new residents per year has been arriving per new home between FY-21 and FY-25, indicating balanced supply and demand dynamics. New properties are constructed at an average value of $445,000, reflecting a focus on the premium segment with upmarket properties.

This financial year, $32.3 million in commercial development approvals have been recorded, suggesting robust local business investment. Compared to Greater Adelaide, Sellicks Beach shows 65.0% higher construction activity per person, offering buyers greater choice. New development consists of 86.0% detached houses and 14.0% attached dwellings, maintaining the area's traditional low density character with a focus on family homes appealing to those seeking space. With around 110 people per dwelling approval, Sellicks Beach shows characteristics of a growth area.

Given stable or declining population forecasts, Sellicks Beach may experience less housing pressure in the future, creating favourable conditions for buyers.

Sellicks Beach has limited levels of nearby infrastructure activity, ranking in the 11thth percentile nationally

Changes to local infrastructure significantly impact an area's performance. AreaSearch identified one major project likely affecting this region: Sellicks Beach Code Amendment. Other notable projects include Fleurieu Connections - Main South Road and Victor Harbor Road Duplication, Sellicks Hill Quarry Operations, and Main South Road Duplication Project (Stage 2) - Aldinga to Sellicks Beach.

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Sellicks Beach has seen below average employment performance when compared to national benchmarks

Sellicks Beach has a skilled labor force with well-represented essential services sectors. Its unemployment rate was 4.5% in the past year, with an estimated employment growth of 4.5%. As of September 2025, there were 1,547 residents employed, and the unemployment rate was 0.6% higher than Greater Adelaide's rate of 3.9%.

Workforce participation was similar to Greater Adelaide's 66.4%. According to Census responses, only 11.0% of residents worked from home, but Covid-19 lockdown impacts should be considered. Key industries for employment among residents are health care & social assistance, construction, and retail trade. The area has a strong specialization in construction with an employment share of 1.9 times the regional level, while professional & technical services have limited presence at 3.7% compared to the regional average of 7.3%.

Employment opportunities locally may be limited as indicated by the ratio of working population to resident population. In the 12-month period ending in September 2025, employment increased by 4.5%, and labor force grew by 3.8%, causing a decrease in unemployment rate by 0.6 percentage points compared to Greater Adelaide's growth rates of 3.0% for employment and 2.9% for labor force, with an unemployment reduction of 0.1 percentage points. Jobs and Skills Australia's national employment forecasts from May-25 project overall employment growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Sellicks Beach's employment mix suggests local employment should increase by 6.3% over five years and 13.3% over ten years, though these are simple extrapolations for illustrative purposes only and do not account for localized population projections.

Income levels sit below national averages according to AreaSearch assessment

AreaSearch's data for financial year 2023 shows median income in Sellicks Beach is $51,657 and average income is $60,013. This is below Greater Adelaide's median of $54,808 and average of $66,852. By September 2025, estimated median income would be approximately $56,203 and average income $65,294, based on an 8.8% Wage Price Index growth since financial year 2023. According to the 2021 Census, household, family, and personal incomes in Sellicks Beach rank between the 30th and 37th percentiles. Income distribution shows that 32.7% of locals (1,004 people) earn between $1,500 - 2,999, similar to the region's 31.8%. Housing affordability is severe, with only 84.1% of income remaining, ranking at the 30th percentile.

Sellicks Beach is characterized by a predominantly suburban housing profile, with ownership patterns similar to the broader region

Sellicks Beach's dwelling structures, as per the latest Census, consisted of 97.5% houses and 2.6% other dwellings (semi-detached, apartments, 'other' dwellings). This contrasts with Adelaide metro's figures of 75.2% houses and 24.9% other dwellings. Home ownership in Sellicks Beach stood at 29.3%, with mortgaged dwellings at 52.9% and rented ones at 17.8%. The median monthly mortgage repayment was $1,391, lower than Adelaide metro's $1,562. Weekly rent median was $320, matching Adelaide metro's figure. Nationally, Sellicks Beach's mortgage repayments were significantly lower ($1,391 vs $1,863), while rents were substantially below the national average ($320 vs $375).

Sellicks Beach has a typical household mix, with a lower-than-average median household size

Family households comprise 73.2% of all households, including 29.8% couples with children, 30.9% couples without children, and 12.3% single parent families. Non-family households account for 26.8%, with lone person households at 24.0% and group households comprising 2.7%. The median household size is 2.4 people, smaller than the Greater Adelaide average of 2.5.

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

The area's university qualification rate is 16.3%, significantly lower than the Australian average of 30.4%. This presents both challenges and opportunities for targeted educational initiatives. Bachelor degrees are the most common at 12.1%, followed by postgraduate qualifications (3.1%) and graduate diplomas (1.1%). Trade and technical skills are prominent, with 46.8% of residents aged 15+ holding vocational credentials - advanced diplomas (11.3%) and certificates (35.5%).

Educational participation is high, with 27.7% of residents currently enrolled in formal education. This includes 12.2% in primary education, 6.2% in secondary education, and 3.7% pursuing tertiary education.

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

Public transport analysis shows 21 active transport stops operating within Sellicks Beach, consisting of a mix of buses. These stops are served by 4 individual routes, collectively offering 251 weekly passenger trips. Transport accessibility is rated excellent, with residents typically located 186 meters from the nearest transport stop. Most residents commute outward due to the area's primarily residential nature. Car remains the dominant mode of transport at 92%. Vehicle ownership averages 1.7 per dwelling, exceeding the regional average.

According to the 2021 Census, a relatively low 11.0% of residents work from home, which may reflect COVID-19 conditions. Service frequency averages 35 trips per day across all routes, equating to approximately 11 weekly trips per individual stop.

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

Sellicks Beach faces significant health challenges, according to AreaSearch's assessment.

Mortality rates and chronic condition prevalence are high, with common health conditions prevalent across both younger and older age cohorts. Private health cover is relatively low at approximately 51% of the total population (~1,559 people). The most common medical conditions are arthritis and mental health issues, impacting 9.7% and 9.2% of residents respectively. 65.1% of residents declare themselves completely clear of medical ailments, compared to 67.9% across Greater Adelaide. The working-age population faces notable health challenges with elevated chronic condition rates. The area has 18.9% of residents aged 65 and over (580 people). Health outcomes among seniors are above average, with national rankings even higher than the general population.

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

Sellicks Beach, as per data from the Australian Bureau of Statistics Census in 2016, had a population with 78.0% born in Australia and 88.5% being citizens. The majority spoke English only at home, comprising 95.5%. Christianity was the predominant religion, accounting for 31.1% of the population.

Notably, Judaism was not present (0.0%), compared to a regional average of 0.1%. In terms of ancestry, Sellicks Beach had higher percentages than Greater Adelaide for English (38.2% vs 27.8%), Australian (28.3% vs 22.8%), and Irish (7.3%). Other ethnic groups with notable divergences were Welsh at 1.0% (vs regional 0.6%), Hungarian at 0.5% (vs 0.3%), and Polish at 1.2% (vs 1.0%).

Sellicks Beach's median age exceeds the national pattern

The median age in Sellicks Beach is 41 years, which is higher than Greater Adelaide's average of 39 years and exceeds the national average of 38 years. The age profile shows that individuals aged 55-64 make up 15.4% of the population, while those aged 25-34 comprise 12.5%. Since 2021, the percentage of people aged 75-84 has increased from 4.5% to 6.1%, while the 45-54 group has decreased from 14.6% to 13.2% and the 5-14 age group has dropped from 12.9% to 11.6%. By 2041, demographic projections indicate that the number of individuals aged 85 and above will grow significantly by 40 people (131%), reaching a total of 71. The combined population of those aged 65 and above is projected to account for 74% of total population growth in Sellicks Beach, reflecting its aging demographic trend. Conversely, the populations of individuals aged 25-34 and 0-4 are expected to decline.