Balhannah (SA)

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Based on evaluation of ABS demographic updates for the surrounding region, and recent address records verified by Districts since the Census, the resident count of the suburb of Balhannah is calculated to be approximately 1,815 as of May 2026. This represents a growth of 59 individuals (3.4%) from the 2021 Census, which documented a population of 1,756 residents. The adjustment is derived from a resident headcount of 1,810, determined by Districts following analysis of the most recent ERP statistics from the ABS (June 2025) and an additional 3 validated new addresses since the Census date. This size of population translates to a density of 57 persons per square kilometer, which ensures a spacious living environment. Over the past ten years, the suburb of Balhannah has shown steady expansion with a 1.3% compound annual growth rate, exceeding the state average. Demographic expansion in this locality was largely driven by interstate migration, which accounted for approximately 54.0% of the overall population rise during recent periods.

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The suburb of Balhannah possesses a highly educated labor force, with strong representation in essential service industries, a jobless rate of only 2.5%, and an estimated 4.6% expansion in employment over the past year, according to Districts aggregations of regional data. As of March 2026995 residents are employed while the unemployment rate is 1.4% below the 3.8% recorded in Greater Adelaide, and labor force participation is typical (68.6% compared to 66.6% in Greater Adelaide). Based on Census records, a moderate 15.0% of local workers operated from home, though the influence of Covid-19 restrictions should be kept in mind.

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Based on Districts' compilation of the most recent postcode-level ATO data released for financial year 2023, taxpayers in the suburb of Balhannah recorded a median income of $54,164 and an average income of $69,353. This is slightly higher than the national figures and compares to median and average levels of $54,808 and $66,852 across Greater Adelaide. Adjusting for a Wage Price Index rise of 10.17% since financial year 2023, current estimates would be roughly $59,672 (median) and $76,406 (average) as of March 2026. Census statistics show that household, family, and individual incomes in the suburb of Balhannah sit around the 57th percentile nationally. In terms of earnings brackets, the $1,500 - 2,999 weekly band contains 31.3% of the community (568 individuals), which matches trends in the broader region where fall within this bracket. After accounting for mortgage and rent payments, residents retain of their earnings, indicating strong disposable income, and the suburb's SEIFA income index places it in the th decile.

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Residential architecture in the suburb of Balhannah, as recorded in the most recent Census, was made up of 95.4% separate houses and 4.6% alternative housing styles (semi-detached properties, apartments, and other housing formats), compared to 75.2% separate houses and 24.9% other dwellings across the Adelaide metro area. Home ownership in the suburb of Balhannah was significantly higher than the metropolitan Adelaide average, standing at 41.7%, with the remaining properties being purchased under a mortgage (43.7%) or occupied by tenants (14.5%). The median monthly home loan payment in the locality was higher than the Adelaide metro average at $1,647, while the median weekly rent was logged at $335, compared to metropolitan averages of $1,562 and $320. Nationally, mortgage costs in the suburb of Balhannah are notably lower than the Australian median of $1,863, and weekly rents are also well below the national median of $375.

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Family units constitute the vast majority of households at 78.6%, consisting of couples with children (37.6%), couples without children (30.9%), and single parent households (9.1%). Non-family households account for the remaining 21.4% of homes, with single person households representing 19.6% and group living situations representing 1.9% of the total. The typical household size of 2.7 individuals is larger than the Greater Adelaide average of 2.5.

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The locality presents educational disparities, with university graduation rates (28.9%) sitting substantially below the SA4 regional average of 42.2%. This represents a challenge as well as a potential target for local educational programs. Bachelor degrees are held by 19.8% of the population, followed by postgraduate degrees (6.0%) and graduate diplomas (3.1%). Vocational and technical training is highly prevalent, with 38.7% of residents aged 15+ holding trade qualifications, comprising advanced diplomas (13.9%) and certificates (24.8%).

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Public transit assessment shows 10 active transit stops in operation within the suburb of Balhannah, consisting of a selection of bus services. These stops are connected to 9 different routes, which together offer 105 weekly passenger services. Access to transit is considered good, with residents living an average of 272 meters from the nearest stop. Because this is predominantly a commuter suburb, most workers travel out of the area, and cars remain the primary method of transport for 93% of commuters. Average vehicle ownership sits at 1.9 per household, which is above the metropolitan average. Roughly 15.0% of residents work from home (based on 2021 Census data, which may reflect pandemic-era conditions).

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Health metric data shows excellent outcomes throughout the suburb of Balhannah, according to Districts' evaluation of mortality indices and chronic illness rates, with minimal occurrences of common medical conditions across all age categories, and a relatively high rate of private health insurance coverage held by approximately 54% of the population (~987 people).

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The suburb of Balhannah exhibits below-average cultural diversity, with 86.5% of residents born in Australia, 92.1% holding citizenship, and 97.5% using only English at home. The predominant religion is Christianity, representing 43.6% of the local population. However, the most distinct deviation in religious representation was found in Judaism, which accounts for none of the population, compared to 0.1% across Greater Adelaide.

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The median age of 44 years in the suburb of Balhannah is significantly higher than the Greater Adelaide average of 39 and well above the national median of 38. Compared to the Greater Adelaide average, the 65 - 74 age group is highly represented (13.4% locally), whereas the 25 - 34 age range is underrepresented (9.1%). Since the 2021 Census, the proportion of residents aged 75 to 84 has risen from 6.5% to 7.8% of the population. In contrast, the 45 to 54 cohort has decreased from 14.8% to 12.5%. Future population projections for 2041 show major demographic shifts for the suburb of Balhannah. The 45 to 54 age bracket is anticipated to grow significantly, increasing by people () from to . The demographic trend toward an older population is evident, with residents aged + accounting for of the projected growth. Conversely, the to cohort is projected to see almost no change, growing by just ( people).

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Balhannah currently has an estimated 105 children under 5 years old, comprising approximately 54 children aged 0-2 and 35 children aged 3-4. This cohort grew by an estimated 5% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 9% by 2041 (to approximately 114 children). Meanwhile the 5-12 cohort currently amounts to 172. While growth has been positive birth rates observed in the area have been moderate, with approximately 9.1 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area within the middle tier nationally. This rate has slowed down slightly in recent years however.