Hackham - Onkaparinga Hills

Population growth drivers in Hackham - Onkaparinga Hills are slightly above average based on AreaSearch's ranking of recent, and medium 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. Hackham - Onkaparinga Hills' 7.5% growth since the 2021 census exceeded the SA3 area (4.9%) and 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 are adopted, released in 2023 and based on 2021 data, 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 annual ERP 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 approximately 57 dwelling approvals per year over the past five financial years, totalling 287 homes. As of FY-26, 27 approvals have been recorded. Each dwelling built between FY-21 and FY-25 attracted an average of 2.9 new residents annually, indicating strong demand that supports property values. The average construction cost value of new homes is $167,000, reflecting more affordable housing options compared to regional norms.

In the current financial year, $1.2 million in commercial development approvals have been recorded, highlighting the area's residential focus. Compared to Greater Adelaide, Hackham - Onkaparinga Hills has seen 73.0% more new home approvals per capita. Building activity has slowed in recent years, with all new constructions being standalone homes, preserving the area's low-density nature and attracting space-seeking buyers. The market reflects around 228 people per approval.

Future projections estimate Hackham - Onkaparinga Hills to add 1,542 residents by 2041, aligning with current development levels and maintaining stable market conditions without significant price pressures.

Hackham - Onkaparinga Hills has limited levels of nearby infrastructure activity, ranking in the 11thth percentile nationally

Changes to local infrastructure significantly influence an area's performance. AreaSearch has identified 11 projects potentially impacting the area. Notable projects include Onkaparinga Heights, Noarlunga Hospital Expansion, Noarlunga Master Planning Housing Project, and Woodcroft College Campus Expansions. 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.

Hackham - Onkaparinga Hills has seen below average employment performance when compared to national benchmarks

Hackham - Onkaparinga Hills has a balanced workforce with white and blue collar jobs. Essential services sectors are well represented, unemployment rate is 5.2%, and employment growth over the past year is estimated at 3.8%.

As of September 2025, 3736 residents are employed while the unemployment rate is 1.2% higher than Greater Adelaide's rate of 3.9%. Workforce participation is 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 specializes in construction with an employment share 1.4 times the regional level, while professional & technical jobs are limited at 4.2%, compared to 7.3% regionally.

Local employment opportunities appear limited based on Census data comparison of working population vs resident population. Between September 2024 and 2025, employment levels increased by 3.8% and labour force grew by 3.4%, reducing the unemployment rate by 0.4 percentage points. In Greater Adelaide, employment grew by 3.0%, labour force expanded by 2.9%, and unemployment fell by 0.1 percentage points. As of 25-Nov, SA employment grew by 1.19% year-on-year, adding 10710 jobs, with the state unemployment rate at 4.0%. This compares favourably to the national unemployment rate of 4.3%, with SA's employment growth outpacing the national average of 0.14%. National employment forecasts from May-25 suggest a 6.6% increase over five years and 13.7% over ten years. Applying these projections to Hackham - Onkaparinga Hills' employment mix, local employment is expected to increase by 6.4% over five years and 13.5% over ten years, assuming constant population projections for illustrative purposes.

Income levels sit below national averages according to AreaSearch assessment

AreaSearch's aggregation of latest postcode level ATO data released for financial year 2022 shows Hackham - Onkaparinga Hills SA2 had a median taxpayer income of $52,087 and an average income of $59,120. These figures are lower than the national averages of $52,592 and $64,886 respectively for Greater Adelaide. Based on Wage Price Index growth of 12.83% since financial year 2022, estimated median income as of September 2025 would be approximately $58,770, with average income at around $66,705. Census 2021 data indicates Hackham - Onkaparinga Hills incomes fall between the 22nd and 24th percentiles nationally for household, family, and personal incomes. Income distribution shows 32.9% of the population (2,432 individuals) earn within the $1,500 - $2,999 range, similar to the broader area at 31.8%. Housing affordability pressures are severe, with only 83.9% of income remaining after housing costs, ranking at the 25th percentile nationally.

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

In Hackham - Onkaparinga Hills, as per the latest Census data, 90.9% of dwellings were houses, with the remaining 9.1% being semi-detached, apartments, or other types. In comparison, Adelaide metro had 89.2% houses and 10.7% other dwellings. Home ownership in Hackham - Onkaparinga Hills stood at 31.4%, similar to Adelaide metro's figure. The majority of dwellings were mortgaged (50.7%) or rented (18.0%). The median monthly mortgage repayment in the area was $1,400, lower than Adelaide metro's average of $1,452 and significantly below the national average of $1,863. The median weekly rent figure for Hackham - Onkaparinga Hills was $300, compared to Adelaide metro's $314 and substantially lower than the national figure of $375.

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

Family households account for 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 constitute 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 aligns with 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 Australia's average of 30.4%. This disparity presents both a challenge and an opportunity for targeted educational initiatives. Bachelor degrees are the most prevalent at 9.5%, followed by postgraduate qualifications (1.9%) and graduate diplomas (1.6%). Vocational credentials are also prominent, with 43.9% of residents aged 15+ holding such qualifications – advanced diplomas comprise 10.0% while certificates account for 33.9%.

Educational participation is notably high, with 26.9% of residents currently enrolled in formal education. This includes 10.1% in primary education, 7.7% in secondary education, and 3.9% pursuing tertiary education.

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

Transport analysis indicates 26 operational stops within Hackham - Onkaparinga Hills, offering bus services. Six routes serve these stops, facilitating 283 weekly passenger trips in total. Residential accessibility to transport is rated good, with residents situated an average of 245 meters from the nearest stop.

Service frequency averages 40 daily trips across all routes, equating to around 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 common health conditions prevalent across both younger and older age groups. Approximately 49% of the total population (~3,630 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% across Greater Adelaide. The area has a higher proportion of seniors aged 65 and over (21.0%, or 1,553 people). Health outcomes among seniors present challenges broadly aligned with the general population's health 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, as per the census data from 2016, showed lower cultural diversity with 80.9% of its population born in Australia, 90.5% being citizens, and 94.9% speaking English only at home. Christianity was the predominant religion, accounting for 37.4% of the population in Hackham-Onkaparinga Hills. The category 'Other' showed a slight overrepresentation with 0.5%, compared to 0.7% across Greater Adelaide.

In terms of ancestry, the top groups were English (35.8%), Australian (29.1%), and Scottish (7.4%). Notably, German ancestry was slightly overrepresented at 5.6% (compared to 5.4% regionally), Dutch at 1.7% (matching regional figures), and Welsh at 0.6% (slightly lower than the regional 0.8%).

Hackham - Onkaparinga Hills's population is slightly older than the national pattern

The median age in Hackham - Onkaparinga Hills is 40 years, similar to Greater Adelaide's average of 39 years but somewhat older than Australia's average of 38 years. The 65-74 age group comprises 11.3%, higher than Greater Adelaide's percentage, while the 35-44 cohort makes up 12.5%. According to post-2021 Census data, the 25 to 34 age group grew from 12.3% to 13.8%, and the 75 to 84 cohort increased from 6.7% to 7.9%. Conversely, the 65 to 74 cohort 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 cohort shows minimal growth of just 4%, with an increase of only 29 people.