Suburb report · SA 5173
Aldinga Beach
Prepared by the property strategists at Chase Wealth Australia
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Population
11,316
Aldinga Beach suburb profile
Who lives in Aldinga Beach
At 41km from central Adelaide, Aldinga Beach sits well beyond the inner and middle suburbs. With 11,316 residents, Aldinga Beach is in the largest fifth of South Australian suburbs, well above the 3,045 of the median suburb. Among the 89 South Australian suburbs and towns more than 40km from the Adelaide CBD, it ranks 4 by population. Aldinga Beach has a median age of 40, near the state's median suburb at 41. Among South Australian suburbs and towns more than 40km from the Adelaide CBD, 73 of 89 have an older median age. That is 3.2 years younger than the average of 43.2 across the other 2 suburbs of the Aldinga statistical area.
Income and home ownership
Median household income is $72,100, below the $88,600 of the median South Australian suburb. That is 6% below the average of $76,675 across the other 2 suburbs of the Aldinga statistical area. On household income it ranks 35 of 89 South Australian suburbs and towns more than 40km from the Adelaide CBD. Tenure is balanced for South Australia: 71.3% owner-occupied and 28.7% renting. 64 of the 89 South Australian suburbs and towns more than 40km from the Adelaide CBD have a higher ownership share. Across the other 2 suburbs of the Aldinga statistical area the ownership share is 79.9%, 8.6 points higher than in Aldinga Beach.
Household mix
The 2021 Census counted 4,053 occupied private dwellings in Aldinga Beach, one of the larger housing stocks in South Australia. Families with children are the largest household type at 45.1%, ahead of couples without children at 26.6% and people living alone at 25.4%. Among South Australian suburbs and towns more than 40km from the Adelaide CBD, 75 of 89 have a smaller share of families with children than Aldinga Beach. The 45.1% share of families with children runs above most of South Australia, at the 66th percentile. The 26.6% share of couples without children is typical for South Australia. The rest of the Aldinga statistical area averages 42.7% families with children, 2.4 points below Aldinga Beach.
Housing supply
Approvals eased to 104 in the year to June 2025 across the Aldinga statistical area, below its 2020 to 2024 average of 124 a year. Supply figures here are for the Aldinga statistical area, home to 17,041 residents in 2025, which takes in Aldinga Beach and neighbouring suburbs. At 6.1 per 1,000 residents of that area, the pipeline sits mid-range for South Australia, above 58% of areas. The busiest year for approvals since 2020 was 2023, with 155, and the quietest was 2021, with 99.
Population trend
The population of the Aldinga statistical area grew 6.1% from 2020 to 2025, faster than most of South Australia, against 6.3% for South Australia as a whole. Over those 5 years a typical South Australian statistical area added 4.8%, putting this area 1.3 points ahead. It ranks at the 66th percentile of South Australian statistical areas for population growth over the period. Growth was strongest in the year to 2024 (2.1%) and weakest in the year to 2021 (0%).
Against its neighbours
Of the nearby suburbs listed below, Hallett Cove differs most on the median household income: $106,700 there against $72,100 in Aldinga Beach. Morphett Vale matches Aldinga Beach on the median age, at 40. At 20km, Woodcroft counts 11,436 residents against 11,316 in Aldinga Beach.
Location
Demographics
ABS Data by Region to 2025, on ABS Census 2021 suburb baselineHousehold Mix Census 2021
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Reading this report
Every figure in the Aldinga Beach data table is dated at its source. Supply and population change cover the Aldinga statistical area, whose boundary differs from Aldinga Beach's, and our guide to reading a suburb report explains how our buyers agents weigh them.
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This report is market intelligence prepared by Chase Wealth Australia for general information only. Figures are statistical estimates for the suburb, not valuations of any individual property, and do not constitute financial or credit advice. Consider your circumstances and seek professional advice before acting. Demographic figures are sourced from the Australian Bureau of Statistics, Census 2021 (licensed CC BY 4.0) where available.