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

As of November 2025, the estimated population of Tranmere (SA) is around 4,512 people. This reflects a growth of 376 individuals since the 2021 Census, which reported a population of 4,136 people. This increase represents a 9.1% change from the previous census figure. AreaSearch's estimation of the resident population in Tranmere (SA) is based on the latest ERP data release by the ABS (June 2024), which indicated a population of 4,494 after accounting for an additional 51 validated new addresses since the Census date. This results in a population density ratio of approximately 3,048 persons per square kilometer, placing Tranmere (SA) in the upper quartile relative to other assessed locations nationally. The suburb's growth rate of 9.1% since the 2021 census exceeds both the SA3 area average of 6.7% and the state average, demonstrating its position as a growth leader in the region.

Overseas migration contributed approximately 96.0% of Tranmere (SA)'s overall population gains during recent periods. AreaSearch employs ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022, to forecast demographic shifts. For areas not covered by this data and years post-2032, the SA State Government's Regional/LGA projections by age category are adopted after adjustments using a method of weighted aggregation of population growth from LGA to SA2 levels. Considering these projections, Tranmere (SA) is expected to experience above median population growth, with an estimated increase of 992 persons by 2041, reflecting a total increase of 21.4% over the 17-year period.

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

AreaSearch analysis indicates Tranmere recorded approximately 24 residential properties approved annually. Over the past five financial years, from FY-21 to FY-25, around 121 homes were granted approval, with a further 12 approved in FY-26. This results in an average of about 3.4 new residents arriving per dwelling constructed each year during this period.

The demand for housing significantly outpaces supply, which typically influences property prices and intensifies competition among buyers. New properties are constructed at an average cost of $493,000, higher than regional norms, reflecting quality-focused development. In FY-26, there have been $684,000 in commercial approvals, underscoring the area's residential nature.

Compared to Greater Adelaide, Tranmere exhibits approximately 75% of construction activity per person and ranks among the 75th percentile nationally. New developments consist of 75.0% standalone homes and 25.0% attached dwellings, maintaining Tranmere's suburban identity with a focus on family homes. With around 161 people per approval, Tranmere reflects an area experiencing growth. According to AreaSearch's latest quarterly estimate, Tranmere is projected to grow by 964 residents by 2041. Development appears to be keeping pace with projected growth, although increasing competition among buyers can be expected as the population expands.

Tranmere has strong levels of nearby infrastructure activity, ranking in the top 40% nationally

No infrastructure changes or major 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 analysis indicates Tranmere maintains employment conditions that align with national benchmarks

Tranmere has an educated workforce with strong representation in professional services. Its unemployment rate is 3.5%.

In the past year, estimated employment growth was 2.2%. As of June 2025, 2,515 residents are employed while the unemployment rate is 0.5% lower than Greater Adelaide's rate of 4.0%. Workforce participation stands at 65.7%, slightly higher than Greater Adelaide's 61.7%. Leading employment industries include health care & social assistance, education & training, and retail trade.

Tranmere has a notable specialization in professional & technical services with an employment share 1.3 times the regional level. However, manufacturing is under-represented at 4.8% compared to Greater Adelaide's 7.0%. The area appears to offer limited local employment opportunities based on Census data. Between June 2024 and June 2025, employment levels increased by 2.2% while the labour force grew by 1.8%, leading to a decrease in unemployment of 0.4 percentage points. This contrasts with Greater Adelaide where employment rose by 2.1% but unemployment marginally increased. Jobs and Skills Australia's national employment forecasts from Sep-22 project overall 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, although these are simple extrapolations for illustrative purposes only and do not account for localized population projections.

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 2022 shows median income in Tranmere at $57,120 and average income at $72,917. This is higher than 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 as of September 2025 are approximately $64,448 (median) and $82,272 (average). Census 2021 income data indicates that Tranmere's household, family, and personal incomes cluster around the 56th percentile nationally. Income distribution shows that 30.7% of residents earn between $1,500 - $2,999 weekly, similar to metropolitan regions where 31.8% fall into this bracket. After housing expenses, 86.0% of income remains for other expenses. Tranmere'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

Tranmere's dwelling structure, as per the latest Census, consisted of 81.2% houses and 18.8% other dwellings (semi-detached, apartments, 'other' dwellings). This compares to Adelaide metro's 73.7% houses and 26.3% other dwellings. Home ownership in Tranmere was at 37.9%, similar to Adelaide metro's level. The remaining dwellings were either mortgaged (32.2%) or rented (29.9%). The median monthly mortgage repayment in the area was $1,978, higher than Adelaide metro's average of $1,736. The median weekly rent figure for Tranmere was recorded at $385, compared to Adelaide metro's $345. Nationally, Tranmere's mortgage repayments exceeded the Australian average of $1,863, while rents were 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 account for the remaining 29.0%, with lone person households at 24.4% and group households comprising 4.5% of the total. The median household size is 2.5 people, which aligns with 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 exceeds broader benchmarks with 40.4% of residents aged 15+ holding university qualifications compared to 25.7% in South Australia (SA) and 28.9% in the Greater Adelaide region. This educational advantage positions Tranmere strongly for knowledge-based opportunities, led by bachelor degrees at 25.3%, followed by postgraduate qualifications at 11.0% and graduate diplomas at 4.1%. Trade and technical skills are prominent with 25.4% of residents aged 15+ holding vocational credentials – advanced diplomas at 10.3% and certificates at 15.1%. Educational participation is high, with 30.5% of residents currently enrolled in formal education, including 9.5% in primary, 8.6% in tertiary, and 7.5% pursuing secondary education.

St Joseph's School provides local educational services within Tranmere, enrolling 212 students as of the latest data, with the area demonstrating significant socio-educational advantages and academic achievement (ICSEA: 1110). The school focuses exclusively on primary education, with secondary options available in surrounding areas. Limited local school capacity, at 4.7 places per 100 residents compared to the regional average of 11.7, means many families travel to nearby areas for schooling.

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 operating in Tranmere, all of which are bus stops. These stops are served by 16 different routes, together offering 1,207 weekly passenger trips. Residents have excellent transport accessibility, with an average distance of 190 metres to the nearest stop.

Service frequency averages 172 trips per day across all routes, equating to about 75 weekly trips per individual stop.

Tranmere's residents are extremely healthy with very low prevalence of common health conditions across all age groups

Analysis of health metrics shows strong performance throughout Tranmere with very low prevalence of common health conditions across all age groups. The rate of private health cover is found to be very high at approximately 56% of the total population (~2,517 people), compared to 51.4% across Greater Adelaide.

The most common medical conditions in the area are mental health issues and arthritis, impacting 6.8 and 6.0% of residents respectively, while 74.5% declare themselves completely clear of medical ailments, compared to 71.5% across Greater Adelaide. Tranmere has 15.6% of residents aged 65 and over (703 people), which is lower than the 19.8% in Greater Adelaide. Health outcomes among seniors are particularly strong, performing even better than the general population in health metrics.

Tranmere is among the most culturally diverse areas in the country based on AreaSearch 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 a language other than English at home. Christianity is the predominant religion in Tranmere, accounting for 51.8% of its population. The 'Other' religious category comprises 1.7%, compared to Greater Adelaide's 2.8%.

The top three ancestral groups are English (20.3%), Italian (17.2%), and Australian (15.4%). Hungarian, Korean, and Polish ethnicities have notable overrepresentation in Tranmere: Hungarian at 0.5% (vs regional 0.4%), Korean at 1.5% (vs 1.0%), and Polish at 1.0% (vs 0.9%).

Tranmere's median age exceeds the national pattern

The median age in Tranmere is 40 years, similar to Greater Adelaide's average of 39 years but somewhat older than Australia's 38 years. The 45-54 age group constitutes 14.2% of Tranmere's population, higher than Greater Adelaide's percentage. Conversely, the 65-74 cohort makes up 8.1%, which is lower than Greater Adelaide's figure. According to post-2021 Census data, the 25 to 34 age group has increased from 12.2% to 13.4%. Meanwhile, the 75 to 84 cohort has decreased from 5.9% to 4.9%. Population forecasts for 2041 suggest significant demographic changes in Tranmere. Notably, the 45-54 age group is projected to grow by 32%, reaching 845 people from its current figure of 640.