Hackham - Onkaparinga Hills
Statistical Area - sa2

Population growth drivers in Hackham - Onkaparinga Hills are strong compared to national averages based on AreaSearch's ranking of recent, and medium to long-term trends

Based on AreaSearch's analysis, Hackham - Onkaparinga Hills' population is around 7,394 as of Nov 2025. This reflects an increase of 519 people (7.5%) since the 2021 Census, which reported a population of 6,875 people. The change is inferred from the estimated resident population of 7,314 from the ABS as of June 2024 and an additional 236 validated new addresses since the Census date. This level of population equates to a density ratio of 312 persons per square kilometer, providing significant space per person and potential room for further development. Hackham - Onkaparinga Hills' 7.5% growth since the 2021 census exceeded the SA3 area (4.9%), along with the SA4 region, marking it as a growth leader in the region. Population growth for the area was primarily driven by interstate migration that contributed approximately 78.8% of overall population gains during recent periods.

AreaSearch is adopting ABS/Geoscience Australia projections for each SA2 area, as released in 2024 with 2022 as the base year. For any SA2 areas not covered by this data, and for years post-2032, the SA State Government's Regional/LGA projections by age category, released in 2023 and based on 2021 data, are adopted with adjustments made employing a method of weighted aggregation of population growth from LGA to SA2 levels. Moving forward with demographic trends, an above median population growth of national statistical areas is projected, with the area expected to increase by 1,622 persons to 2041 based on the latest population numbers, reflecting an increase of 20.9% in total over the 17 years.

AreaSearch assessment of residential development activity positions Hackham - Onkaparinga Hills among the top 25% of areas assessed nationwide

Hackham - Onkaparinga Hills has received around 57 dwelling approvals per year over the past five financial years, totalling 287 homes. In FY-26, 24 approvals have been recorded so far. The area gains an average of 2.9 new residents per year for each dwelling built between FY-21 and FY-25, indicating strong demand that supports property values. New homes are constructed at an average cost of $167,000, below regional norms, offering more affordable housing options.

This financial year has seen $1.2 million in commercial development approvals, reflecting the area's residential nature. Compared to Greater Adelaide, Hackham - Onkaparinga Hills records 73.0% more new home approvals per person, providing buyers with greater choice. However, building activity has slowed in recent years, with all recent activity consisting of standalone homes, preserving the area's low density and attracting space-seeking buyers. The area reflects a transitioning market, with around 228 people per approval.

Future projections suggest Hackham - Onkaparinga Hills will add 1,542 residents by 2041, with existing development levels aligned with future requirements, maintaining stable market conditions without significant price pressures.

Hackham - Onkaparinga Hills has emerging levels of nearby infrastructure activity, ranking in the 31stth percentile nationally

Area infrastructure changes significantly influence local performance. AreaSearch identified 11 projects potentially impacting the area. Key projects include Noarlunga Hospital Expansion, Onkaparinga Heights development, Noarlunga Master Planning Housing Project, and Woodcroft College Campus expansions. The following list details those likely most relevant:.

Professional plan users can use the search below to filter and access additional projects.

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Employment performance in Hackham - Onkaparinga Hills has been below expectations when compared to most other areas nationally

Hackham - Onkaparinga Hills has a balanced workforce with both white and blue collar jobs. Essential services sectors are well represented here, with an unemployment rate of 5.4% as of June 2025.

There was an estimated employment growth of 3.1% in the past year. As of June 2025, 3675 residents were employed while the unemployment rate was 1.4% higher than Greater Adelaide's rate of 4.0%. Workforce participation was somewhat lower at 58.7%, compared to Greater Adelaide's 61.7%. Employment is concentrated in health care & social assistance, retail trade, and construction.

The area shows strong specialization in construction with an employment share of 1.4 times the regional level. Professional & technical services have limited presence here, with only 4.2% employment compared to the regional average of 7.3%. AreaSearch analysis indicates that during the year to June 2025, employment levels increased by 3.1%, and labour force grew by 2.7%, leading to a fall in unemployment rate by 0.4 percentage points. Jobs and Skills Australia's national employment forecasts from May 2025 suggest potential future demand within Hackham - Onkaparinga Hills. These projections estimate local growth of approximately 6.4% over five years and 13.5% over ten years, based on a simple weighting extrapolation of industry-specific projections against the local employment mix.

Income levels sit below national averages according to AreaSearch assessment

AreaSearch's aggregation of ATO data for financial year 2022 shows Hackham - Onkaparinga Hills had a median taxpayer income of $52,087 and an average income of $59,120. Nationally, the median was $52,592 and the average was $64,886. By September 2025, adjusted for Wage Price Index growth of 12.83%, estimated incomes would be approximately $58,770 (median) and $66,705 (average). Census 2021 data places Hackham - Onkaparinga Hills between the 22nd and 24th percentiles for household, family, and personal income nationally. In this area, 32.9% of individuals fall within the $1,500-$2,999 income range, similar to the broader area at 31.8%. Housing affordability is severe, with only 83.9% of income remaining, ranking at the 25th percentile.

Hackham - Onkaparinga Hills is characterized by a predominantly suburban housing profile, with ownership patterns similar to the broader region

The latest Census data shows that in Hackham - Onkaparinga Hills, 90.9% of dwellings are houses, with the remaining 9.1% being semi-detached, apartments, or other types. This is compared to Adelaide metro's figures of 89.2% houses and 10.7% other dwellings. Home ownership in Hackham - Onkaparinga Hills stands at 31.4%, with the rest either mortgaged (50.7%) or rented (18.0%), similar to Adelaide metro's figures. The median monthly mortgage repayment in the area is $1,400, below Adelaide metro's average of $1,452 and Australia's national average of $1,863. The median weekly rent figure in Hackham - Onkaparinga Hills is $300, lower than Adelaide metro's $314 and the national average of $375.

Hackham - Onkaparinga Hills has a typical household mix, with a fairly typical median household size

Family households compose 71.5% of all households, including 28.6% couples with children, 28.2% couples without children, and 14.0% single parent families. Non-family households make up the remaining 28.5%, with lone person households at 25.8% and group households comprising 2.9%. The median household size is 2.5 people, which matches the Greater Adelaide average.

Hackham - Onkaparinga Hills faces educational challenges, with performance metrics placing it in the bottom quartile of areas assessed nationally

The area's university qualification rate is 13.0%, significantly lower than the Australian average of 30.4%. Bachelor degrees are most common at 9.5%, followed by postgraduate qualifications (1.9%) and graduate diplomas (1.6%). Vocational credentials are prevalent, with 43.9% of residents aged 15+ holding such qualifications - advanced diplomas (10.0%) and certificates (33.9%). Educational participation is high at 26.9%, including 10.1% in primary education, 7.7% in secondary education, and 3.9% pursuing tertiary education.

Hackham East Primary School serves the area with an enrollment of 219 students. The school focuses exclusively on primary education, with secondary options available nearby. Local school capacity is limited at 3.0 places per 100 residents compared to the regional average of 13.6, leading many families to travel for schooling.

Transport servicing is low compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility

Transport analysis shows 26 active stops operating in Hackham - Onkaparinga Hills, offering mixed bus services. These are serviced by 6 routes, providing 283 weekly passenger trips combined. Transport accessibility is rated good, with residents typically located 245 meters from the nearest stop.

Service frequency averages 40 trips per day across all routes, equating to approximately 10 weekly trips per individual stop.

Health performance in Hackham - Onkaparinga Hills is well below average with prevalence of common health conditions notable across both younger and older age cohorts

Health data indicates significant health challenges in Hackham - Onkaparinga Hills, with high prevalence of common conditions across both younger and older age groups. Approximately 49% (~3630 people) have private health cover, lower than the national average of 55.3%.

Mental health issues affect 10.4% of residents, while arthritis impacts 9.9%. Conversely, 60.7% report no medical ailments, compared to 62.9% in Greater Adelaide. The area has 21.0% (1553 people) aged 65 and over, with senior health outcomes presenting challenges broadly aligned with the general population's profile.

Hackham - Onkaparinga Hills ranks below the Australian average when compared to other local markets across a number of language and cultural background related metrics

Hackham-Onkaparinga Hills, surveyed in 2016, had a culturally diverse population with 80.9% born in Australia, 90.5% being citizens, and 94.9% speaking English at home. Christianity was the dominant religion at 37.4%. The 'Other' religious category was overrepresented at 0.5%, compared to Greater Adelaide's 0.7%.

Top ancestry groups were English (35.8%), Australian (29.1%), and Scottish (7.4%). Notably, German ancestry was slightly higher than regional averages at 5.6% versus 5.4%, Dutch was similar at 1.7%, and Welsh was lower at 0.6% compared to the region's 0.8%.

Hackham - Onkaparinga Hills's median age exceeds the national pattern

The median age in Hackham - Onkaparinga Hills is 40 years, similar to Greater Adelaide's average of 39 years, and slightly older than Australia's median age of 38 years. The age group of 65-74 years has a strong representation at 11.3%, compared to Greater Adelaide, while the 35-44 age group is less prevalent at 12.5%. According to post-2021 Census data, the population aged 25 to 34 grew from 12.3% to 13.8%, and the 75 to 84 age group increased from 6.7% to 7.9%. Conversely, the 65 to 74 age group declined from 12.3% to 11.3%. Population forecasts for 2041 indicate significant demographic changes in Hackham - Onkaparinga Hills. The 25 to 34 age group is projected to grow by 23%, adding 235 people, reaching a total of 1,256 from the current 1,020. In contrast, the 65 to 74 age group shows minimal growth of just 4%, with an increase of 29 people.