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This analysis uses Suburbs and Localities (SAL) boundaries, which can materially differ from Statistical Areas (SA2) even when sharing the same name.
SAL boundaries are defined by Australia Post and the Australian Bureau of Statistics to represent commonly-known suburb names used in postal addresses.
Statistical Areas (SA2) are designed for census data collection and may combine multiple suburbs or use different geographic boundaries. For comprehensive analysis, consider reviewing both boundary types if available.
est. as @ -- *
2021 Census | -- people
Sales Activity
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Population
North Plympton lies within the top quartile of areas nationally for population growth performance according to AreaSearch analysis of recent, and medium to long-term trends
Based on ABS population updates and AreaSearch validation, the population of North Plympton was estimated at 4,248 as of May 2026. This reflected an increase of 638 people since the 2021 Census, which reported a population of 3,610. The change was inferred from AreaSearch's estimate of 4,240 residents following examination of ABS ERP data released in June 2025 and validation of 40 new addresses since the Census date. This resulted in a density ratio of 2,794 persons per square kilometer, placing North Plympton in the upper quartile relative to national locations assessed by AreaSearch. The suburb's population growth of 17.7% since the 2021 census exceeded the state average of 7.5%. Overseas migration contributed approximately 97.0% of overall population gains during recent periods.
AreaSearch adopted ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022. For areas not covered by this data and years post-2032, the SA State Government's Regional/LGA projections by age category were used, released in 2023 based on 2021 data. Considering projected demographic shifts, North Plympton is expected to grow by 987 persons to 2041, reflecting an increase of 23.1% over the 16 years.
Frequently Asked Questions - Population
Development
Recent residential development output has been above average within North Plympton when compared nationally
Based on AreaSearch analysis of ABS building approval numbers, North Plympton has seen around 32 new homes approved each year. Between FY-21 and FY-25, approximately 163 homes were approved, with a further 22 approved so far in FY-26. This translates to an average of 2.2 new residents per dwelling over the past five financial years.
The average construction cost value for these dwellings is $379,000, indicating a focus on the premium market segment. In terms of commercial development, $18.9 million in approvals have been registered this financial year. Compared to Greater Adelaide, North Plympton has seen slightly more development activity, with 33.0% above the regional average per person over the past five years. This balanced approach supports property values while maintaining good buyer choice. However, recent periods have shown a moderation in development activity.
The type of new building activity shows a shift towards compact living, with 42.0% standalone homes and 58.0% medium to high-density housing. This change offers affordable entry pathways and attracts downsizers, investors, and first-time purchasers. This represents a notable shift from the area's existing housing composition, which is currently 70.0% houses. The location has approximately 160 people per dwelling approval, indicating an expanding market. Population forecasts indicate North Plympton will gain 979 residents through to 2041, based on the latest AreaSearch quarterly estimate. Development activity is keeping pace with projected growth, though increasing competition among buyers can be expected as the population expands.
Frequently Asked Questions - Development
Development applications around North Plympton
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| Lodged | Address | Description | Type | Distance | Status |
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SOURCE: Planning portals and council registers, compiled by AreaSearch. Distance & bearing measured from the suburb midpoint.
Infrastructure
North Plympton has emerging levels of nearby infrastructure activity, ranking in the 33rdth percentile nationally
Changes to local infrastructure significantly influence an area's performance. AreaSearch has identified one major project likely impacting the region: Glenelg Line Tram Grade Separation Project. Other notable projects include Project Flight - Adelaide Airport Terminal Expansion, additional Tram Grade Separation Projects, and North South Corridor. Below is a list of projects most relevant to the area.
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INFRASTRUCTURE SEARCH
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Frequently Asked Questions - Infrastructure
New Women's and Children's Hospital
A $3.2 billion state-of-the-art facility being developed as Australia's first all-electric public hospital. As of April 2026, the 1,300-space multi-storey car park is nearing completion, and main hospital construction has commenced with inground and structural works. The project features 414 overnight beds, a larger emergency department with 43 treatment spaces, a dedicated helipad, and co-location of all critical care services on a single floor. Early enabling works by SA Water for utility upgrades are currently underway through Bonython Park and Park 25, with utility installations expected to continue until late March 2027.
SA Water Capital Work Delivery Contracts 2024-28
SA Water's record $3.3 billion capital delivery program for the 2024-28 regulatory period, covering water and wastewater infrastructure across South Australia. The program targets water main replacements, sewerage network upgrades, dam upgrades, water tank refurbishments, and treatment process upgrades across metropolitan and regional areas. A central $1.5 billion component supports the South Australian Premier's Housing Roadmap, expanding network capacity to unlock up to 40,000 new allotments, with major focus on Adelaide's northern growth corridors including Angle Vale, Riverlea, and Roseworthy. Six major framework partners (Fulton Hogan Utilities, John Holland and Guidera O'Connor JV, McConnell Dowell and Diona JV, BMD, Diona, and Leed Engineering and Construction) are delivering works across approximately 120 projects. In Year 1 (to June 2025), $681.6 million in capital was invested. The program runs to June 2028.
Project Flight - Adelaide Airport Terminal Expansion
Project Flight is a 600 million AUD multi-phased upgrade of Adelaide Airport designed to support passenger growth through to 2050. The southern check-in hall is being expanded by more than 1,500 square metres to lift check-in capacity by around 25 per cent, with all existing equipment replaced by new kiosks and bag-drop technology. The northern end of the terminal will grow by approximately 10,000 square metres from early 2026, adding new domestic gate lounges, aerobridges and office accommodation for aviation tenants. The southern end will be expanded by more than 5,500 square metres from early 2027, including two new domestic and three new regional gates. Up to nine additional aircraft parking positions will be delivered progressively over three years. Security screening upgrades, including six new lanes with body scanners and 3D x-ray bag scanners, are being completed across 2025. Other terminal enhancements include a new international departures gate, a sensory room, a play space, business hubs and upgraded gate seating. Construction commenced in mid-2025 with demolition of the southern ramp, and the program is anticipated to complete in mid-2028.
Tram Grade Separation Projects
A major infrastructure initiative to remove three high-traffic level crossings on the Glenelg tram line by constructing new elevated tram overpasses at Marion Road, Cross Road, and Morphett Road. The project also included the complete reconstruction of the South Road tram overpass. While tram services resumed on 26 January 2026, ongoing construction continues through mid-2026 for intersection upgrades at Anzac Highway, building shared-use paths for the Mike Turtur Bikeway, and final landscaping.
SA Housing Trust Maintenance Contracts Review and Service Program
Statewide maintenance and service contracts for SA Housing Trust public housing properties, covering reactive maintenance, vacancy restoration and minor works across metropolitan and regional South Australia. The program is delivered by Spotless Facility Services, RTC Facilities Maintenance and Torrens Facility Management. A 2024 SA Government review examined payment, timeliness, dispute resolution and contract performance issues, and the government provided additional funding to accelerate maintenance and upgrades on vacant public housing homes.
Adelaide Public Transport Capacity and Access
State-led program work to increase public transport capacity and access to, through and within central Adelaide. Current work is focused on the City Access Strategy (20-year movement plan for the CBD and North Adelaide) and the State Transport Strategy program, which together will shape options such as bus priority, interchange upgrades, tram and rail enhancements, and better first/last mile access.
Adelaide Level Crossing Removal Planning Program
A joint Australian and South Australian Government program to conduct planning studies at priority at-grade level crossing locations across metropolitan Adelaide, and establish a ten-year Level Crossing Removal Program. Adelaide has 126 at-grade level crossings where boom gates can be closed for up to 25% of peak traffic periods. Priority sites under active planning include Cormack Road (Wingfield), Kings Road (Parafield), and Park Terrace (Salisbury). The program commenced in early 2022 and is expected to be completed by late 2026, with the first major removal project - Curtis Road, Munno Para - announced in May 2025 with a $250 million joint funding commitment and construction starting by 2027.
River Torrens to Darlington (T2D) Project
The River Torrens to Darlington (T2D) Project delivers the final 10.5 km section of Adelaide's North South Corridor, creating a 78 km non-stop motorway. The project combines southern and northern twin three-lane tunnels with lowered and surface motorways. Major works are underway at the Southern Precinct at Tonsley, which serves as the purpose-built launch site for the Tunnel Boring Machines (TBMs) for the Southern Tunnels. Tunnelling is expected to start in the second half of 2026, and the project is planned for completion by 2031.
Employment
The exceptional employment performance in North Plympton places it among Australia's strongest labour markets
North Plympton has a highly educated workforce with significant representation in essential services sectors. The unemployment rate was 1.7% as of December 2025, lower than Greater Adelaide's 3.8%. Employment growth over the past year was estimated at 8.8%.
As of December 2025, 2,390 residents were employed, with a workforce participation rate matching Greater Adelaide's 66.0%. Only 10.1% of residents worked from home, though Covid-19 lockdown impacts should be considered. Dominant employment sectors include health care & social assistance, retail trade, and education & training, while manufacturing employs just 5.5% of local workers compared to Greater Adelaide's 7.0%.
Many residents commute elsewhere for work based on Census data. In the 12-month period ending December 2025, employment increased by 8.8% alongside labour force growth of 8.1%, leading to a unemployment rate decrease of 0.6 percentage points. This contrasts with Greater Adelaide's employment rise of 4.2%, labour force growth of 3.9%, and unemployment fall of 0.3 percentage points. Jobs and Skills Australia forecasts national employment growth at 6.6% over five years and 13.7% over ten years, with industry-specific projections suggesting North Plympton's employment should increase by 6.9% over five years and 14.3% over ten years.
Frequently Asked Questions - Employment
Income
Income levels sit below national averages according to AreaSearch assessment
The suburb of North Plympton had an income level below the national average according to ATO data aggregated by AreaSearch for the financial year ending June 2023. The median income among taxpayers in North Plympton was $51,564, with an average income of $61,499. These figures compared to Greater Adelaide's median and average incomes of $54,808 and $66,852 respectively. By March 2026, estimated median and average incomes in North Plympton would be approximately $56,808 and $67,753, based on a Wage Price Index growth rate of 10.17%. Census data showed household, family, and personal incomes all ranked modestly in North Plympton, between the 44th and 44th percentiles. Income analysis revealed that 35.8% of locals (1,520 people) had incomes ranging from $1,500 to $2,999, reflecting patterns seen in the surrounding region where 31.8% similarly occupied this income range. Housing affordability pressures were severe, with only 83.7% of income remaining after housing costs, ranking at the 45th percentile. The area's SEIFA income ranking placed it in the 5th decile.
Frequently Asked Questions - Income
Housing
North Plympton displays a diverse mix of dwelling types, with a higher proportion of rental properties than the broader region
Dwelling structure in North Plympton, as evaluated at the 2016 Census, comprised 69.9% houses and 30.0% other dwellings. In Adelaide metro, it was 75.2% houses and 24.9% other dwellings. Home ownership in North Plympton was 30.4%, with mortgaged dwellings at 37.4% and rented ones at 32.2%. The median monthly mortgage repayment in the area was $1,777, compared to Adelaide metro's $1,562. The median weekly rent figure was $360, compared to Adelaide metro's $320. Nationally, North Plympton's mortgage repayments were lower than the Australian average of $1,863, and rents were less than the national figure of $375.
Frequently Asked Questions - Housing
Household Composition
North Plympton features high concentrations of group households and lone person households, with a lower-than-average median household size
Family households account for 60.6% of all households, including 27.0% couples with children, 22.3% couples without children, and 10.0% single parent families. Non-family households constitute the remaining 39.4%, with lone person households at 33.6% and group households comprising 5.6%. The median household size is 2.3 people, which is smaller than the Greater Adelaide average of 2.5.
Frequently Asked Questions - Households
Local Schools & Education
North Plympton shows strong educational performance, ranking in the upper quartile nationally when assessed across multiple qualification and achievement indicators
The area's educational profile is notable regionally with university qualification rates of 31.6% among residents aged 15+, exceeding the South Australian average of 25.7%. Bachelor degrees are most prevalent at 22.0%, followed by postgraduate qualifications (7.4%) and graduate diplomas (2.2%). Vocational credentials are also prominent, with 28.3% of residents aged 15+ holding such qualifications – advanced diplomas comprise 10.4% while certificates account for 17.9%.
Educational participation is high, with 25.0% of residents currently enrolled in formal education. This includes 7.7% in tertiary education, 6.6% in primary education, and 4.8% pursuing secondary education.
Frequently Asked Questions - Education
Schools Detail
Nearby Services & Amenities
Transport
Transport servicing is good compared to other areas nationally based on assessment of service frequency, route connectivity and accessibility
North Plympton has 20 active public transport stops, all of which are bus stops. These stops are served by 15 different routes that together facilitate 904 weekly passenger trips. Residents have excellent access to these stops, with an average distance of 178 meters to the nearest one. The area is predominantly residential, and most residents travel outward for work. Cars remain the primary mode of transport, used by 85% of commuters, while buses are used by 9%. On average, there are 1.2 vehicles per dwelling in North Plympton, which is below the regional average.
According to the 2021 Census, a relatively low 10.1% of residents work from home, possibly due to COVID-19 conditions. Overall, public transport services operate at an average frequency of 129 trips per day across all routes, equating to approximately 45 weekly trips per individual stop.
Frequently Asked Questions - Transport
Transport Stops Detail
Health
Health performance in North Plympton is well below average with considerably higher than average prevalence of common health conditions and to an even higher degree among older age cohorts
North Plympton faces significant health challenges based on AreaSearch's assessment as of 2021.
The area has a considerably higher prevalence of common health conditions compared to averages, with older age cohorts experiencing this to an even greater extent. Approximately 51% (~2,180 people) of the total population have private health cover, which is relatively low. Mental health issues and arthritis are the most common medical conditions in the area, affecting 8.7% and 8.0% of residents respectively. In contrast, 65.6% of residents claim to be completely clear of medical ailments compared to 67.9% across Greater Adelaide. The under-65 population in North Plympton demonstrates better than average health outcomes. However, the area has a higher proportion of residents aged 65 and over at 23.5% (998 people) compared to Greater Adelaide's 19.2%. Health outcomes among seniors present some challenges but rank lower nationally than those of the broader population.
Frequently Asked Questions - Health
Cultural Diversity
North Plympton was found to be more culturally diverse than the vast majority of local markets in Australia, upon assessment of a range of language and cultural background related metrics
North Plympton's population was found to be more culturally diverse than most local markets, with 33.1% born overseas and 29.8% speaking a language other than English at home. Christianity is the main religion in North Plympton, making up 45.8%. The 'Other' religious category comprises 3.1%, compared to 1.8% across Greater Adelaide.
For ancestry, the top three groups are English (22.0%), Australian (21.3%), and Other (13.3%). Notably, Greek (4.9%) and Serbian (0.5%) ethnicities are overrepresented in North Plympton compared to regional averages of 2.0% and 0.4%, respectively.
Frequently Asked Questions - Diversity
Age
North Plympton's population is slightly older than the national pattern
North Plympton's median age is 39, matching Greater Adelaide's average of 39 and aligning with Australia's median of 38. Locally, those aged 85+ are notably over-represented at 8.0%, compared to the Greater Adelaide average, while those aged 5-14 are under-represented at 8.1%. This concentration of the 85+ cohort is well above the national average of 2.2%. Post the 2021 Census, the 25 to 34 age group has grown from 16.3% to 18.8%, and the 35 to 44 cohort increased from 13.2% to 14.3%. Conversely, the 85+ cohort has declined from 9.4% to 8.0%. Demographic projections suggest North Plympton's age profile will change significantly by 2041, with the 85+ cohort projected to grow by 64%, adding 216 residents to reach 556.