Mannum (SA)

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Analysis of ABS demographic updates and newly validated address details compiled by Districts since the Census points to an estimated headcount of approximately 3,139 for the suburb of Mannum as of May 2026. This marks an expansion of 220 residents, or 7.5%, from the 2,919 individuals recorded in the 2021 Census. Districts calculated this shift by starting with a resident population of 3,131 derived from the June 2025 ABS ERP figures, then factoring in 49 new addresses validated since the Census. With this total, the suburb of Mannum registers a density of 12.2 persons per square kilometer, indicating a spacious residential environment. The 7.5% growth rate observed since the 2021 census outpaces both the wider SA3 territory's 5.9% expansion and the Rest of SA region, positioning the locality as a leading growth hub. The majority of these population increases, accounting for roughly 82.0% of recent growth, were fueled by interstate moves.

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Mannum features a mix of white and blue collar jobs, with essential services playing a strong role, an unemployment rate of 5.6%, and an estimated employment growth of 3.3% over the past year, according to Districts aggregation of statistical area data. As of March 2026, 1,173 residents are employed, while the unemployment rate sits 0.2% higher than the Regional SA rate of 5.5%. Workforce participation is notably lower at 45.5% compared to the Regional SA figure of 58.4%. Census data indicates that only 7.4% of residents worked from home, though the effects of Covid-19 lockdowns should be taken into account.

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ATO records for the 2023 financial year show local earnings are below the country-wide average. The median taxable income in the community is $38,007, and the average is $46,205, compared to regional benchmarks of $48,920 and $58,933. Adjusted for a 10.17% increase in the Wage Price Index since 2023, estimated figures reach $41,872 for the median and $50,904 for the average as of March 2026. At the 2021 Census, all key income metrics ranked between the 0th and 2nd percentiles across Australia. A weekly wage of $400 - 799 is the most common, held by 38.3% of individuals (1,202 people), whereas the leading bracket regionally is $1,500 - at . Around of residents earn less than weekly, indicating tight family budgets. Mortgage and rent costs present a significant burden, leaving just of household income, which puts the area in the rd percentile.

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Census profiles indicate that separate houses make up 92.2% of the housing inventory, with multi-unit styles representing 7.8%, compared to regional shares of 88.5% and 11.5%. Residents own their homes outright at a rate of 47.3%, which is higher than the regional average, while mortgaged properties sit at 26.2% and rented properties account for 26.5%. The typical monthly home loan payment is $1,100, which is below the regional median of $1,153, and the typical weekly rent matches the regional standard of $220. These housing costs are low compared to national figures of $1,863 for home loans and $375 for weekly rent.

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Families represent 62.8% of all households, with 14.7% consisting of couples with kids, 36.2% of couples without children, and 10.9% of single parent arrangements. Other households comprise 37.2% of the local total, with single-person occupancies at 35.6% and group sharing at 1.7%. The typical household size is 2.1 occupants, slightly below the regional benchmark of 2.3.

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Higher education completion is relatively low locally, with 8.9% of residents holding a university degree, compared to the national average of 30.4%. Bachelor qualifications are the most common at 6.4%, with postgraduate degrees at 1.3% and graduate diplomas at 1.2%. Instead, practical and trade qualifications are widespread, as 41.9% of residents aged 15+ have completed vocational training, including 9.0% with advanced diplomas and 32.9% with certificates.

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Assessment of local mortality and illness patterns indicates significant public health pressures across different age groups. Furthermore, the rate of residents holding private health insurance is low at roughly 45% of the community, or about 1,422 individuals, compared to 48.9% regionally and a nationwide average of 55.7%.

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The community exhibits low levels of multicultural variety, with 88.4% holding citizenship, 87.8% born locally, and 98.4% using only English in domestic settings. The primary religious affiliation is Christianity, accounting for 46.4% of residents. Conversely, the most distinct concentration occurs in Judaism at 0.2% of the population, whereas none was recorded across Regional SA.

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A typical resident is 56 years old, which is older than the Regional SA benchmark of 47 and the national average of 38. Those aged 65 - 74 represent a large segment at 20.0%, whereas the 35 - 44 bracket is small at 7.4% compared to the rest of the region. This 65 - 74 group is larger than the 9.4% national average. Since 2021, the cohort aged 75 to 84 has risen from 12.1% to 14.7%, and residents aged 85+ went from 3.9% to 5.0%. However, the group aged 45 to 54 dropped from 11.6% to . Projections for suggest further changes, with the + cohort expected to rise by people (), growing from to . Residents aged + will account for of population increases, showing the aging trend. Meanwhile, numbers for the to and to brackets are expected to fall.

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Mannum currently has an estimated 125 children under 5 years old, comprising approximately 59 children aged 0-2 and 39 children aged 3-4. This cohort declined by an estimated 2% since the previous census. while population forecasts indicate future decline, with an anticipated decrease of 6% by 2041 (to approximately 118 children). Meanwhile the 5-12 cohort currently amounts to 231. Birth rates in the area have averaged 5.8 per 1,000 residents over the latest two-year period, a low rate (among the bottom 20% of areas assessed nationally).