Mannum

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

Mannum's population, as of May 2026, is approximately 7,033, indicating a rise of 439 individuals (6.7%) since the 2021 Census which reported a population of 6,594. This increase is inferred from ABS' estimated resident population of 7,012 in June 2025 and an additional 124 validated new addresses post-Census. The population density stands at 2.1 persons per square kilometer. Mannum's growth rate exceeded the SA3 area (5.9%) and Rest of SA, positioning it as a regional growth leader. Interstate migration contributed approximately 83.9% to overall population gains in recent periods. AreaSearch uses 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 are adopted, released in 2023 based on 2021 data. Future trends anticipate lower quartile growth for Australia's non-metropolitan areas, with Mannum expected to increase by 117 persons to 2041, reflecting a gain of 1.4% over the 16-year period.

AreaSearch assessment of residential development activity positions Mannum among the top 25% of areas assessed nationwide

Mannum has received approximately 91 dwelling approvals per year over the past five financial years, totalling 459 homes. As of FY26, 76 approvals have been recorded. On average, 0.8 new residents have been added annually for each dwelling constructed between FY21 and FY25. The average construction cost of new properties is $308,000.

In FY26, Mannum has registered $1.9 million in commercial approvals. Compared to the Rest of SA, Mannum has seen 132.0% more development activity per person. New building activity comprises 97.0% standalone homes and 3.0% medium and high-density housing. There are approximately 56 people per dwelling approval in Mannum. AreaSearch projects Mannum's population to grow by 96 residents by 2041, with current development patterns expected to meet demand.

Looking ahead, Mannum is expected to grow by 96 residents through to 2041 (from the latest AreaSearch quarterly estimate). Based on current development patterns, new housing supply should readily meet demand, offering good conditions for buyers and potentially facilitating population growth beyond current projections.

Mannum has limited levels of nearby infrastructure activity, ranking in the 6thth percentile nationally

Infrastructure changes significantly influence an area's performance. AreaSearch identified nine projects likely impacting the area. Key projects include Mannum Waters Residential Marina in Mannum, South Australia; Regional North-South Freight Route Upgrade; Summerfield Battery; and Tanunda Recreation Park Redevelopment. 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 performance in Mannum has been below expectations when compared to most other areas nationally

Mannum has a balanced workforce with diverse sector representation and an unemployment rate of 5.3%. In the past year, there was an estimated employment growth of 1.5%. As of December 2025, 2,970 residents are employed while the unemployment rate is 0.4% lower than Regional SA's rate of 5.7%.

Workforce participation in Mannum lags behind Regional SA at 51.1% compared to 58.3%. According to Census responses, 13.9% of residents work from home. The dominant employment sectors are agriculture, forestry & fishing, health care & social assistance, and construction. Mannum has a particular specialization in agriculture, forestry & fishing with an employment share 1.3 times the regional level.

However, education & training has limited presence at 5.5% compared to 8.2% regionally. The area appears to offer limited local employment opportunities based on Census data. Between December 2024 and December 2025, employment levels increased by 1.5%, labour force increased by 3.5%, causing the unemployment rate to rise by 1.9 percentage points. In comparison, Regional SA recorded employment growth of 0.7%, labour force growth of 3.1%, with unemployment rising by 2.2 percentage points. Jobs and Skills Australia's national employment forecasts from May-25 suggest that over five years, national employment is forecast to expand by 6.6% and over ten years by 13.7%. Applying these projections to Mannum's employment mix suggests local employment should increase by 5.3% over five years and 11.8% over ten years.

Income metrics place the area in the bottom 10% of locations nationally according to AreaSearch analysis

AreaSearch's aggregation of latest postcode level ATO data released for financial year ending June 2023 indicates Mannum SA2 had a median income among taxpayers of $43,193. The average income stood at $51,408. This was below the national average of $48,920 and regional SA's average of $58,933. Based on Wage Price Index growth of 10.17% since financial year ending June 2023, current estimates for Mannum are approximately $47,586 (median) and $56,636 (average) as of March 2026. Census data shows household, family, and personal incomes in Mannum fall between the 1st and 4th percentiles nationally. The predominant income cohort spans 34.2% of locals (2,405 people), with incomes ranging from $400 to $799 weekly, unlike surrounding regions where 27.5% fall within the $1,500 to $2,999 range. This concentration of 45.3% in sub-$800 brackets highlights economic challenges faced by a significant portion of Mannum's community. Despite modest housing costs with 87.1% of income retained, total disposable income ranks at just the 4th percentile nationally.

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

In Mannum, as per the latest Census evaluation, 94.2% of dwellings were houses with the remaining 5.8% being semi-detached, apartments, or other types. This compares to Regional SA's 88.5% houses and 11.5% other dwellings. Home ownership in Mannum stood at 51.1%, with mortgaged properties at 31.3% and rented ones at 17.6%. The median monthly mortgage repayment was $1,083, lower than Regional SA's average of $1,153. The median weekly rent in Mannum was $215, compared to Regional SA's $220. Nationally, Mannum's mortgage repayments were significantly lower at $1,083 compared to the Australian average of $1,863, and rents were substantially below the national figure of $375.

Mannum features high concentrations of lone person households, with a lower-than-average median household size

Family households constitute 62.8% of all households, including 17.2% couples with children, 35.6% couples without children, and 9.0% single parent families. Non-family households comprise the remaining 37.2%, with lone person households at 34.8% and group households comprising 2.4% of the total. The median household size is 2.1 people, which is smaller than the Regional SA average of 2.3.

Mannum faces educational challenges, with performance metrics placing it in the bottom quartile of areas assessed nationally

The area's university qualification rate is 10.7%, significantly lower than Australia's average of 30.4%. Bachelor degrees are the most common at 7.8%, followed by graduate diplomas (1.5%) and postgraduate qualifications (1.4%). Vocational credentials are prevalent, with 42.3% of residents aged 15+ holding them. Advanced diplomas account for 8.5% and certificates for 33.8%.

A total of 23.4% of the population is actively pursuing formal education. This includes 10.0% in primary, 6.9% in secondary, and 1.7% in tertiary education.

No public transport data available for this catchment area.

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

Mannum 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 extremely low at approximately 46% of the total population (~3,242 people), compared to 48.9% in Regional SA and the national average of 55.7%.

The most common medical conditions are arthritis (12.7%) and mental health issues (9.7%). 57.5% of residents declare themselves completely clear of medical ailments, compared to 62.5% in Regional SA. Working-age population faces notable health challenges with elevated chronic condition rates. Mannum has a higher proportion of residents aged 65 and over at 35.8% (2,517 people), compared to 27.1% in Regional SA. National rankings for this age group are even higher than the general population.

The latest Census data sees Mannum placing among the least culturally diverse areas in the country when compared across a range of language and cultural background related metrics

Mannum's cultural diversity was found to be below average, with 88.8% of its population being citizens born in Australia who speak English only at home. Christianity is the predominant religion in Mannum, comprising 46.3% of the population. Notably, Judaism is overrepresented in Mannum, making up 0.1% compared to 0.0% regionally.

The top three ancestry groups are English (33.7%), Australian (31.2%), and German (12.6%). Other ethnic groups with notable divergences include Dutch at 1.3% in Mannum versus 1.3% regionally, Welsh at 0.5% versus 0.5%, and Polish at 0.6% versus 0.4%.

Mannum ranks among the oldest 10% of areas nationwide

Mannum's median age is 55, which is significantly higher than Regional SA's figure of 47 and Australia's median of 38. Compared to Regional SA, Mannum has a higher proportion of residents aged 65-74 (19.7%) but fewer residents aged 25-34 (6.7%). This 65-74 concentration is well above the national figure of 9.4%. Post-2021 Census data shows that the 75 to 84 age group has grown from 9.6% to 12.4% of Mannum's population, while the 45 to 54 cohort has declined from 13.5% to 10.9%. By 2041, demographic projections indicate significant shifts in Mannum's age structure. The 85+ cohort is projected to grow by 119%, adding 308 residents to reach 568. Residents aged 65 and older are expected to represent all of Mannum's population growth. Conversely, the 15 to 24 and 0 to 4 age cohorts are anticipated to experience population declines.