Tranmere (SA)

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

Based on analysis of ABS population updates for the broader area, the estimated population of the suburb of Tranmere (SA) as of Feb 2026 is around 4,533. This reflects an increase of 397 people since the 2021 Census, which reported a population of 4,136 people in the suburb. The change is inferred from the resident population of 4,484 estimated by AreaSearch following examination of the latest ERP data release by the ABS in June 2024 and an additional 52 validated new addresses since the Census date. This level of population equates to a density ratio of 3,062 persons per square kilometer, placing it in the upper quartile relative to national locations assessed by AreaSearch. Tranmere's growth of 9.6% since the 2021 census exceeded the state average of 9.0%, marking it as a growth leader in the region. Population growth for the area was primarily driven by overseas migration, contributing approximately 96.0% of overall population gains during recent periods.

AreaSearch is adopting ABS/Geoscience Australia projections for each SA2 area, released in 2024 with 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, 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. Considering these projected demographic shifts, an above median population growth is projected for the area, with an expected increase of 998 persons to 2041 based on aggregated SA2-level projections, reflecting an overall increase of 21.0% over the 17 years.

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

Based on AreaSearch analysis of ABS building approval numbers, allocated from statistical area data, Tranmere has recorded around 28 residential properties granted approval annually. Over the past five financial years, between FY-21 and FY-25, approximately 142 homes were approved, with a further 16 approved so far in FY-26. On average, about 2.9 people have moved to the area per new home constructed over these five financial years, indicating healthy demand that supports property values.

New homes are being built at an average expected construction cost of $493,000, reflecting a developer focus on the premium segment with upmarket properties. This year, there have been $2.7 million in commercial approvals, demonstrating Tranmere's primarily residential nature. Compared to Greater Adelaide, Tranmere shows 15.0% lower construction activity per person while it places among the 73rd percentile of areas assessed nationally.

New development consists of 73.0% standalone homes and 27.0% attached dwellings, sustaining the area's suburban identity with a concentration of family homes suited to buyers seeking space. With around 171 people per approval, Tranmere reflects a developing area. According to the latest AreaSearch quarterly estimate, Tranmere is expected to grow by 952 residents through to 2041. Development appears to be keeping reasonable pace with projected growth, though increasing competition among buyers may result from the expanding population.

Tranmere has emerging levels of nearby infrastructure activity, ranking in the 20thth percentile nationally

No infrastructure projects have been identified by AreaSearch as likely to impact the area. Key projects include Magill Campus Renewal Project, Morialta Performing Arts Centre, Magill Campus Redevelopment, and UniSA Magill Campus Redevelopment (Magill Project).

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AreaSearch assessment positions Tranmere ahead of most Australian regions for employment performance

Tranmere's workforce is highly educated with strong representation in professional services. The unemployment rate was 3.5% as of September 2025, below Greater Adelaide's 3.9%. Employment growth over the past year was estimated at 3.4%.

Resident participation in the workforce was 69.6%, slightly higher than Greater Adelaide's 66.4%. A low 12.8% of residents worked from home as per Census responses, potentially influenced by Covid-19 lockdowns. Leading employment industries were health care & social assistance, education & training, and retail trade. Tranmere had a particular specialization in professional & technical services with an employment share 1.3 times the regional level.

Conversely, manufacturing was under-represented at 4.8% compared to Greater Adelaide's 7.0%. Employment opportunities locally appeared limited based on Census data. Between September 2024 and September 2025, employment levels increased by 3.4%, labour force grew by 3.3%, and unemployment fell by 0.1 percentage points in Tranmere. National employment forecasts from Jobs and Skills Australia, released in May-25, project national employment growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Tranmere's employment mix suggests local employment should increase by 6.9% over five years and 14.1% over ten years.

Income analysis reveals strong economic positioning, with the area outperforming 60% of locations assessed nationally by AreaSearch

AreaSearch's latest postcode level ATO data for financial year 2023 shows that median income in Tranmere is $57,120 and average income stands at $72,917. This compares to Greater Adelaide's median income of $54,808 and average income of $66,852. Based on Wage Price Index growth of 8.8% since financial year 2023, estimated current incomes are approximately $62,147 (median) and $79,334 (average) as of September 2025. Census 2021 data shows Tranmere's household, family, and personal incomes cluster around the 56th percentile nationally. Income distribution reveals that the largest segment comprises 30.7% earning $1,500 - $2,999 weekly (1,391 residents), similar to metropolitan Adelaide where 31.8% fall into this bracket. After housing expenses, 86.0% of income remains for other costs. The area's SEIFA income ranking places it in the 7th decile.

Tranmere is characterized by a predominantly suburban housing profile, with above-average rates of outright home ownership

In Tranmere's dwelling structure, as per the latest Census, 81.2% were houses and 18.8% other dwellings (semi-detached, apartments, 'other' dwellings), compared to Adelaide metro's 75.2% houses and 24.9% other dwellings. Home ownership in Tranmere was at 37.9%, with mortgaged dwellings at 32.2% and rented ones at 29.9%. The median monthly mortgage repayment in the area was $1,978, higher than Adelaide metro's average of $1,562. The median weekly rent figure was recorded at $385, compared to Adelaide metro's $320. Nationally, Tranmere's mortgage repayments exceed the Australian average of $1,863, while rents are higher than the national figure of $375.

Tranmere features high concentrations of group households, with a fairly typical median household size

Family households constitute 71.0% of all households, including 32.9% couples with children, 24.5% couples without children, and 11.9% single parent families. Non-family households comprise the remaining 29.0%, with lone person households at 24.4% and group households at 4.5%. The median household size is 2.5 people, which matches the Greater Adelaide average.

Tranmere shows strong educational performance, ranking in the upper quartile nationally when assessed across multiple qualification and achievement indicators

Educational attainment in Tranmere significantly surpasses broader benchmarks. As of the latest data, 40.4% of residents aged 15+ hold university qualifications, compared to 25.7% in South Australia (SA) and 28.9% in Greater Adelaide. This substantial educational advantage positions the area strongly for knowledge-based opportunities. Bachelor degrees are the most prevalent at 25.3%, followed by postgraduate qualifications at 11.0% and graduate diplomas at 4.1%.

Trade and technical skills also feature prominently, with 25.4% of residents aged 15+ holding vocational credentials – advanced diplomas at 10.3% and certificates at 15.1%. Educational participation is notably high in Tranmere, with 30.5% of residents currently enrolled in formal education. This includes 9.5% in primary education, 8.6% in tertiary education, and 7.5% pursuing secondary education.

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

Transport analysis shows 16 active stops in Tranmere, offering mixed bus services. These stops cater to 17 routes, facilitating 1,212 weekly passenger trips. Transport access is rated excellent, with residents typically living 190 meters from the nearest stop. Most residents commute outward due to its residential nature. Cars dominate at 86%, with buses at 8%. Vehicle ownership averages 1.4 per dwelling.

According to the 2021 Census, only 12.8% of residents work from home, possibly due to COVID-19 conditions. Service frequency averages 173 trips daily across all routes, equating to around 75 weekly trips per stop.

Tranmere's residents are extremely healthy with both young and old age cohorts seeing low prevalence of common health conditions

Analysis of health metrics shows strong performance throughout Tranmere. Mortality rates and chronic condition prevalence were assessed by AreaSearch, indicating low prevalence among both young and old age cohorts.

The rate of private health cover was found to be very high at approximately 56% of the total population (2,529 people), compared to 52.7% across Greater Adelaide. The most common medical conditions in the area were mental health issues and arthritis, impacting 6.8% and 6.0% of residents respectively. 74.5% of residents declared themselves completely clear of medical ailments, compared to 67.9% across Greater Adelaide. Working-age residents showed notably healthy outcomes with low chronic condition prevalence. The area has 15.8% of residents aged 65 and over (716 people), lower than the 19.3% in Greater Adelaide. Health outcomes among seniors were particularly strong, ranking even higher than the general population nationally.

Tranmere 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

Tranmere's population shows high cultural diversity, with 35.3% born overseas and 34.5% speaking languages other than English at home. Christianity is the predominant religion in Tranmere, accounting for 51.8% of its inhabitants. Notably, the 'Other' religious category comprises 1.7%, slightly higher than Greater Adelaide's 1.8%.

In terms of ancestry, the top three groups are English (20.3%), Italian (17.2%), and Australian (15.4%). These percentages differ from regional averages: English is lower (27.8%), Italian is substantially higher (5.2%), and Australian is also lower (22.8%). Further ethnic group comparisons show Hungarian (0.5%) and Korean (1.5%) are notably overrepresented in Tranmere compared to regional figures of 0.3% each, while Polish representation matches the regional average at 1.0%.

Tranmere's population is slightly older than the national pattern

The median age in Tranmere is 40 years, similar to Greater Adelaide's average of 39 years. This is somewhat older than Australia's median age of 38 years. The 45-54 age group makes up 14.2% of Tranmere's population, higher than Greater Adelaide's percentage. Conversely, the 75-84 age cohort constitutes 4.9%, lower than Greater Adelaide's figure. Post-2021 Census data shows that the 25 to 34 age group grew from 12.2% to 13.3%. Meanwhile, the 75 to 84 cohort declined from 5.9% to 4.9%. Population forecasts for 2041 indicate significant demographic shifts in Tranmere, with the 45-54 age group projected to grow by 31%, reaching 845 people from its current count of 643.