Plympton Park

Plympton Park lies within the top quartile of areas nationally for population growth performance according to AreaSearch analysis of recent, and medium to long-term trends

As of November 2025, the estimated population of Plympton Park is around 4,067, reflecting an increase of 186 people since the 2021 Census. This growth represents a 4.8% rise from the previous population count of 3,881. AreaSearch validated this estimate following examination of the latest ERP data release by the ABS in June 2024 and the addition of 22 new addresses since the Census date. The suburb's population density is 3,389 persons per square kilometer, placing it in the upper quartile relative to national locations assessed by AreaSearch. Over the past decade, Plympton Park has shown resilient growth patterns with a compound annual growth rate of 2.0%, outperforming its SA3 area. Overseas migration contributed approximately 65.0% of overall population gains during recent periods.

AreaSearch adopts ABS/Geoscience Australia projections for each SA2 area, released in 2024 using 2022 as the base year. For areas not covered by this data and years post-2032, the SA State Government's Regional/LGA projections by age category are adopted with adjustments made employing a method of weighted aggregation of population growth from LGA to SA2 levels. Demographic trends project an above median population growth for national statistical areas, with Plympton Park expected to expand by 753 persons to 2041 based on aggregated SA2-level projections, reflecting a gain of 19.8% in total over the 17 years.

AreaSearch assessment of residential approval activity sees Plympton Park among the top 30% of areas assessed nationwide

AreaSearch analysis of ABS building approval numbers shows Plympton Park had around 23 new home approvals annually over the past five financial years, totalling an estimated 116 homes. As of FY-26, 7 approvals have been recorded. On average, 3.2 new residents arrived per dwelling constructed yearly between FY-21 and FY-25. Commercial approvals registered in FY-26 amounted to $506,000, indicating minimal commercial development activity.

Compared to Greater Adelaide, Plympton Park has 18.0% less building activity per person but ranks among the 77th percentile nationally. Recent construction comprises 73.0% detached dwellings and 27.0% attached dwellings, maintaining the area's suburban character focused on family homes. The area has approximately 152 people per dwelling approval, indicating a low density market.

Population forecasts estimate Plympton Park will gain 804 residents by 2041. Development is keeping pace with projected growth, though increasing competition may arise as the population expands.

Plympton Park has very high levels of nearby infrastructure activity, ranking in the top 20% nationally

AreaSearch has identified a single project likely to impact the area, namely the Tram Grade Separation Projects, Morphettville Racecourse Redevelopment, Mooringe Avenue Development in North Plympton, and River Torrens to Darlington (T2D) Project. These are key projects with potential significance.

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

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Employment performance in Plympton Park exceeds national averages across key labour market indicators

Plympton Park has a well-educated workforce with significant representation from essential services sectors. The unemployment rate is 3.6%, lower than the Greater Adelaide average of 4.0%.

Over the past year, estimated employment growth was 2.3%. As of June 2025, 2,324 residents are employed, with an unemployment rate of 0.4% below Greater Adelaide's rate and a workforce participation rate of 66.9%, higher than Greater Adelaide's 61.7%. Key industries of employment among residents are health care & social assistance, retail trade, and education & training.

Manufacturing shows lower representation at 5.0% compared to the regional average of 7.0%. Employment opportunities locally may be limited as indicated by the count of Census working population versus resident population. Between June 2024 and June 2025, employment levels increased by 2.3%, labour force grew by 2.5%, resulting in a slight rise in unemployment to 3.8%. By comparison, Greater Adelaide recorded employment growth of 2.1% and unemployment rose marginally. According to Jobs and Skills Australia's national employment forecasts from Sep-22, national employment is projected to expand by 6.6% over five years and 13.7% over ten years. Applying these projections to Plympton Park's employment mix suggests local employment should increase by 7.0% over five years and 14.4% over ten years, though this is a simple weighting extrapolation for illustrative purposes and does not account for localised population projections.

The economic profile demonstrates above-average performance, with income metrics exceeding national benchmarks based on AreaSearch comparative assessment

AreaSearch's latest postcode level ATO data for financial year 2022 indicates Plympton Park's median income among taxpayers is $56,521, with an average of $70,160. This is higher than the national average. Greater Adelaide has a median income of $52,592 and an average of $64,886. Based on Wage Price Index growth of 12.83% since financial year 2022, estimated current incomes would be approximately $63,773 (median) and $79,162 (average) as of September 2025. The 2021 Census shows household, family and personal incomes in Plympton Park cluster around the 50th percentile nationally. Distribution data reveals that 33.9% of residents (1,378 people) fall within the $1,500 - 2,999 income bracket, similar to regional levels where 31.8% occupy this range. Housing affordability pressures are severe in Plympton Park, with only 83.3% of income remaining, ranking at the 45th percentile nationally. The area's SEIFA income ranking places it in the 5th decile.

Plympton Park is characterized by a predominantly suburban housing profile, with a higher proportion of rental properties than the broader region

Dwelling structure in Plympton Park, as evaluated at the latest Census in 2016, comprised 70.1% houses and 30.0% other dwellings including semi-detached and apartments. In comparison, Adelaide metro had 70.8% houses and 29.2% other dwellings. Home ownership in Plympton Park was at 24.3%, with mortgaged dwellings at 36.0% and rented dwellings at 39.7%. The median monthly mortgage repayment in the area was $1,820, above Adelaide metro's average of $1,700. Median weekly rent in Plympton Park was $320, compared to Adelaide metro's $330. Nationally, Plympton Park's mortgage repayments were lower than the Australian average of $1,863, while rents were substantially below the national figure of $375.

Plympton Park features high concentrations of group households and lone person households, with a fairly typical median household size

Family households constitute 64.4 percent of all households, including 28.3 percent couples with children, 24.4 percent couples without children, and 9.7 percent single parent families. Non-family households comprise the remaining 35.6 percent, with lone person households at 30.3 percent and group households making up 5.3 percent of the total. The median household size is 2.4 people, which aligns with the Greater Adelaide average.

Plympton Park demonstrates exceptional educational outcomes, ranking among the top 5% of areas nationally based on AreaSearch's comprehensive analysis of qualification and performance metrics

The area's educational profile is notable regionally, with university qualification rates at 35.1% of residents aged 15+, surpassing the South African average of 25.7% and the SA4 region's rate of 28.1%. Bachelor degrees are the most prevalent at 24.5%, followed by postgraduate qualifications (7.5%) and graduate diplomas (3.1%). Vocational credentials are also prominent, with 29.2% of residents aged 15+ holding such qualifications – advanced diplomas account for 10.2% and certificates for 19.0%.

Educational participation is high, with 28.1% of residents currently enrolled in formal education, including 8.3% in primary education, 7.8% in tertiary education, and 4.9% pursuing secondary education. Educational facilities appear to be located outside the immediate catchment boundaries, requiring families to access schools in neighboring areas.

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

Plympton Park has 24 active public transport stops, all of which are bus stops. These stops are served by 19 different routes that together facilitate 1,711 weekly passenger trips. The accessibility to these stops is rated as excellent, with residents on average being located just 135 meters from the nearest stop.

Each day, there are an average of 244 trips across all routes, which translates to approximately 71 weekly trips per individual stop.

Plympton Park's residents are relatively healthy in comparison to broader Australia with the level of common health conditions among the general population somewhat typical, though higher than the nation's average among older cohorts

Plympton Park's health metrics are close to national benchmarks, with common health conditions among its general population being somewhat typical but higher than the national average among older cohorts. Private health cover is very high at approximately 55% of the total population (~2,225 people), compared to 50.9% across Greater Adelaide.

Mental health issues and asthma are the most common medical conditions in the area, impacting 8.3 and 7.4% of residents respectively. 71.3% of residents declare themselves completely clear of medical ailments, compared to 68.1% across Greater Adelaide. The area has 13.3% of residents aged 65 and over (540 people), which is lower than the 19.2% in Greater Adelaide. Health outcomes among seniors require more attention than those for the broader population.

Plympton Park 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

Plympton Park's population showed higher cultural diversity than most local areas, with 30.7% born overseas and 28.1% speaking languages other than English at home. Christianity was the predominant religion in Plympton Park, accounting for 38.4%. Hinduism was overrepresented compared to Greater Adelaide, making up 7.1% of Plympton Park's population versus 4.1%.

The top ancestral groups were English (25.0%), Australian (21.8%), and Other (11.7%). Notably, Polish (1.0%) was slightly overrepresented compared to the regional figure of 1.1%, Welsh at 0.7% (regional: 0.6%), and Serbian at 0.4% (regional: 0.3%) were also more prevalent in Plympton Park.

Plympton Park's population is slightly younger than the national pattern

The median age in Plympton Park is 36 years, which is slightly below Greater Adelaide's average of 39 and also slightly below the Australian median of 38. Compared to Greater Adelaide, Plympton Park has a higher proportion of residents aged 25-34 (18.5%) but fewer residents aged 75-84 (4.5%). Between the 2016 Census and the 2021 Census, the proportion of residents aged 75 to 84 increased from 3.9% to 4.5%. Conversely, the proportion of those aged 85 and above decreased from 2.1% to 1.0%. By 2041, Plympton Park's age composition is projected to change significantly. The demographic shift will be led by the 45-54 age group, which is expected to grow by 35%, reaching 631 people from 467.