Suburb report · SA 5251
Mount Barker
Prepared by the property strategists at Chase Wealth Australia
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Population
22,032
Mount Barker suburb profile
Who lives in Mount Barker
Mount Barker is 29km by straight line from central Adelaide. With 22,032 residents, Mount Barker is in the largest fifth of South Australian suburbs, well above the 3,045 of the median suburb. Among the 340 suburbs within 40km of the Adelaide CBD, it ranks 3 by population. Mount Barker skews young, with a median age of 36 against 41 for the median South Australian suburb. Against the 340 suburbs within 40km of the Adelaide CBD, it is older than 47 and younger than 264. That is 4 years younger than the average of 40 in the other suburb of the Mount Barker statistical area.
Income and home ownership
Households earn a median $94,000 a year, higher than 58% of South Australian suburbs. That is 22.2% below the average of $120,800 in the other suburb of the Mount Barker statistical area. On household income it ranks 167 of 340 suburbs within 40km of the Adelaide CBD. 69.2% of households own their home and 30.8% rent, below the 73.1% ownership of the median South Australian suburb. Among suburbs within 40km of the Adelaide CBD, 148 have a lower share of owner-occupiers than Mount Barker. In the other suburb of the Mount Barker statistical area the ownership share is 88.3%, 19.1 points higher than in Mount Barker.
Household mix
The 2021 Census counted 7,032 occupied private dwellings in Mount Barker, one of the larger housing stocks in South Australia. Families with children are the largest household type at 44.5%, ahead of couples without children at 27.5% and people living alone at 25.3%. On the share of families with children it ranks 143 of 340 suburbs within 40km of the Adelaide CBD. The 25.3% share of people living alone sits below most of South Australia, at the 34th percentile. The 27.5% share of couples without children is typical for South Australia. The rest of the Mount Barker statistical area averages 51.2% families with children, 6.7 points above Mount Barker.
Housing supply
Approvals eased to 502 in the year to June 2025 across the Mount Barker statistical area, below its 2020 to 2024 average of 588 a year. Supply figures here are for the Mount Barker statistical area, home to 26,939 residents in 2025, which takes in Mount Barker and neighbouring suburbs. Per head of population the pipeline is deep: 18.6 approvals per 1,000 residents of that area against 5.2 for the median South Australian area. Over the 6 years to June 2025, annual approvals ranged from 417 in 2020 to 724 in 2021.
Population trend
The population of the Mount Barker statistical area surged 26.4% from 2020 to 2025, 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 21.6 points ahead. That rate is faster than 98% of South Australian statistical areas. Growth was strongest in the year to 2022 (5.3%) and weakest in the year to 2023 (4.3%).
Against its neighbours
Of the nearby suburbs listed below, Flagstaff Hill differs most on the owner-occupied share: 89.5% there against 69.2% in Mount Barker. Magill is the closest match on the median household income, at $93,200 against $94,000. Aberfoyle Park sits 24km away, with a median household income of $99,700 against $94,000 here.
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 Mount Barker data table is dated at its source. Supply and population change cover the Mount Barker statistical area, whose boundary differs from Mount Barker'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.