Plympton
Statistical Area - sa2

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

Plympton's population, as of November 2025, is approximately 28,466. This figure represents a growth of 1,986 people since the 2021 Census, which recorded a population of 26,480. The increase is inferred from the estimated resident population of 28,328 in June 2024 and an additional 307 validated new addresses post-Census. This results in a population density of 2,660 persons per square kilometer, placing Plympton in the upper quartile nationally according to AreaSearch assessments. Plympton's growth rate of 7.5% since the 2021 Census exceeds both the state (7.1%) and SA3 area averages, positioning it as a regional growth leader. Overseas migration contributed approximately 96.5% of recent population gains in the area.

AreaSearch uses 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 are adopted, based on 2021 data and adjusted using weighted aggregation from LGA to SA2 levels. Based on projected demographic shifts, Plympton is forecast to experience significant population growth, with an expected increase of 7,481 persons by 2041, representing a total gain of 25.8% over the 17-year period.

AreaSearch assessment of residential development activity positions Plympton among the top 25% of areas assessed nationwide

Plympton has recorded approximately 208 residential properties granted approval annually. Over the past five financial years, from FY-21 to FY-25, a total of 1,040 homes were approved, with an additional 77 approved in FY-26 so far. On average, each dwelling accommodates 2.1 new residents per year over these five years, reflecting strong demand that supports property values.

New homes are being built at an average expected construction cost of $257,000. This financial year has seen $116.5 million in commercial approvals, indicating robust local business investment. Compared to Greater Adelaide, Plympton exhibits moderately higher development activity, with 18.0% above the regional average per person over this five-year period. This maintains good buyer choice while supporting existing property values. New development consists of 40.0% standalone homes and 60.0% attached dwellings, reflecting a trend towards denser development that provides accessible entry options appealing to downsizers, investors, and entry-level buyers.

This represents a notable shift from the area's current housing composition, which is 58.0% houses. This change indicates decreasing availability of developable sites and reflects evolving lifestyles and the need for more diverse, affordable housing options. With around 152 people per approval, Plympton reflects an area experiencing development. Population forecasts project Plympton will gain approximately 7,336 residents by 2041. Development is keeping pace with projected growth, though buyers may face increasing competition as the population expands.

Plympton has moderate levels of nearby infrastructure activity, ranking in the 47thth percentile nationally

Area infrastructure performance is significantly influenced by local changes. AreaSearch has identified 16 projects potentially impacting the area. Notable projects include Tram Grade Separation Projects, Mooringe Avenue Development in North Plympton, Glenelg Line's Tram Grade Separation Project, and Project Flight - Adelaide Airport Terminal and Infrastructure Upgrade. The following details projects likely most relevant:.

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

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Employment conditions in Plympton demonstrate exceptional strength compared to most Australian markets

Plympton has a well-educated workforce with significant representation in essential services sectors. Its unemployment rate is 2.6%, lower than the national average.

In the past year, employment growth was estimated at 3.0%. As of June 2025, 16,744 residents are employed, with an unemployment rate of 1.4% below Greater Adelaide's rate of 4.0%. Workforce participation is 66.2%, slightly higher than Greater Adelaide's 61.7%.

Dominant employment sectors include health care & social assistance, accommodation & food, and retail trade. Manufacturing, however, is under-represented at 5.2% compared to Greater Adelaide's 7.0%. Many residents commute elsewhere for work based on Census data. Between June 2024 and June 2025, employment increased by 3.0%, while labour force grew by 3.2%, leading to a slight rise in unemployment rate of 0.2 percentage points. Jobs and Skills Australia's national employment forecasts from May 2025 project national employment growth of 6.6% over five years and 13.7% over ten years, with varying rates across industry sectors. Applying these projections to Plympton's employment mix suggests local growth of approximately 6.9% over five years and 14.3% over ten years.

Income levels align closely with national averages, indicating typical economic conditions for Australian communities according to AreaSearch analysis

AreaSearch's latest postcode level ATO data for financial year 2022 shows that median income in Plympton is $52,693 and average income is $62,845. This contrasts with Greater Adelaide's median income of $52,592 and average income of $64,886. Based on Wage Price Index growth of 12.83% since financial year 2022, estimated current incomes are approximately $59,454 (median) and $70,908 (average) as of September 2025. According to the 2021 Census, household, family, and personal incomes in Plympton rank modestly, between the 38th and 48th percentiles. The largest income segment comprises 33.3% earning $1,500 - $2,999 weekly (9,479 residents), similar to the broader area at 31.8%. Housing affordability pressures are severe, with only 84.0% of income remaining, ranking at the 39th percentile. Plympton's SEIFA income ranking places it in the 6th decile.

Plympton displays a diverse mix of dwelling types, with a higher proportion of rental properties than the broader region

In Plympton, as per the latest Census evaluation, 58.3% of dwellings were houses while 41.7% comprised semi-detached homes, apartments, and other types. In contrast, Adelaide metro had 63.9% houses and 36.2% other dwellings. Home ownership in Plympton stood at 27.8%, with mortgaged dwellings at 32.1% and rented ones at 40.1%. The median monthly mortgage repayment in the area was $1,733, lower than Adelaide metro's $1,745. The median weekly rent figure in Plympton was $300, compared to Adelaide metro's $310. Nationally, Plympton's mortgage repayments were below the Australian average of $1,863, and rents were substantially lower than the national figure of $375.

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

Family households constitute 61.7% of all households, including 25.4% couples with children, 26.0% couples without children, and 8.5% single parent families. Non-family households account for 38.3%, with lone person households at 31.8% and group households comprising 6.5%. The median household size is 2.3 people, which aligns with the Greater Adelaide average.

The educational profile of Plympton exceeds national averages, with above-average qualification levels and academic performance metrics

Educational attainment in Plympton is notably high, with 35.9% of residents aged 15 and above holding university qualifications. This compares to 25.7% in South Australia (SA) and 28.9% in Greater Adelaide. Bachelor degrees are the most common at 23.9%, followed by postgraduate qualifications at 9.2% and graduate diplomas at 2.8%. Vocational credentials are also prevalent, with 28.7% of residents aged 15 and above holding such qualifications - advanced diplomas at 10.7% and certificates at 18.0%.

Educational participation is high in Plympton, with 28.9% of residents currently enrolled in formal education. This includes 9.2% in tertiary education, 7.7% in primary education, and 5.7% pursuing secondary education. There are nine schools operating within Plympton, educating approximately 3,855 students. The area has typical Australian school conditions (ICSEA: 1043) with balanced educational opportunities. The educational mix includes four primary, two secondary, and three K-12 schools.

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

Transport analysis in Plympton shows 151 active public transport stops operating. These are served by 39 unique routes, offering a total of 3,973 weekly passenger trips. Residents enjoy excellent transport accessibility, with an average distance of 161 meters to the nearest stop.

Service frequency averages 567 trips per day across all routes, equating to about 26 weekly trips per individual stop.

Plympton's residents are healthier than average in comparison to broader Australia with prevalence of common health conditions quite low among the general population though higher than the nation's average across older, at risk cohorts

Health data shows Plympton residents have relatively positive health outcomes.

The prevalence of common health conditions is low among the general population but higher among older, at-risk cohorts compared to national averages. Approximately 51% of Plympton's total population (~14,546 people) has private health cover, which is slightly lower than the average SA2 area. Mental health issues and arthritis are the most common medical conditions in the area, affecting 7.9% and 7.3% of residents respectively. Around 71.1% of residents report being completely clear of medical ailments, compared to 70.9% across Greater Adelaide. The area has 16.2% of residents aged 65 and over (4,622 people), which is lower than the 17.6% in Greater Adelaide. Health outcomes among seniors require more attention than the broader population.

Plympton is among the most culturally diverse areas in the country based on AreaSearch assessment of a range of language and cultural background related metrics

Plympton's cultural diversity ranks high, with 35.1% of its population born overseas and 33.2% speaking a language other than English at home. Christianity is the predominant religion in Plympton, accounting for 42.0% of its residents. However, the most notable overrepresentation is seen in the 'Other' category, which comprises 3.7% of Plympton's population compared to 3.1% across Greater Adelaide.

In terms of ancestry, the top three groups are English (22.5%), Australian (20.6%), and Other (14.3%). Notably, Greek (4.3%) is overrepresented in Plympton compared to the regional average (6.1%), as are Indian (4.4% vs 3.7%) and German (4.6% vs 4.6%) groups.

Plympton's population is slightly younger than the national pattern

Plympton has a median age of 35, which is younger than Greater Adelaide's figure of 39 and slightly below Australia's national average of 38 years. The 25-34 age group makes up 21.2% of Plympton's population, compared to Greater Adelaide, while the 65-74 cohort represents 7.4%. This concentration of 25-34 year-olds is significantly higher than the national average of 14.5%. Between 2021 and present, the proportion of 25-34 year-olds has increased from 19.7% to 21.2%, while the 85+ cohort has decreased from 3.9% to 3.2%. By 2041, demographic projections indicate that Plympton's age structure will shift significantly. The 25-34 age group is expected to grow by 21% (1,254 people), reaching a total of 7,298 from the current figure of 6,043.