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 ABS population updates and AreaSearch validation, the suburb of Tranmere's population is estimated at around 4,577 as of May 2026. This reflects an increase of 441 people since the 2021 Census which reported a population of 4,136 people. The change is inferred from AreaSearch estimating a resident population of 4,554 following examination of ABS's latest ERP data release in June 2025 and validating an additional 53 new addresses since the Census date. This level of population equates to a density ratio of 3,092 persons per square kilometer, placing it in the upper quartile relative to national locations assessed by AreaSearch. Tranmere's growth of 10.7% since the 2021 census exceeded the state average of 7.5%. Population growth was primarily driven by overseas migration contributing approximately 96.0% of overall population gains during recent periods.

AreaSearch adopts ABS/Geoscience Australia projections for each SA2 area, released in 2024 with a base year of 2022. For areas not covered 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. Looking ahead, an above median population growth is projected for statistical areas across the nation, with the suburb expected to grow by 882 persons to 2041 based on aggregated SA2-level projections, reflecting an increase of 18.8% in total over the 16 years.

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

AreaSearch analysis of ABS building approval numbers for Tranmere shows an average of around 28 new dwelling approvals per year. Between FY-21 and FY-25, approximately 142 homes were approved, with a further 23 approved so far in FY-26. Over the past five financial years, an average of 2.9 people moved to the area per new home constructed, indicating healthy demand that supports property values.

New homes are being built at an average expected construction cost value of $493,000, reflecting a 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 ranking among the 73rd percentile of areas assessed nationally.

New development consists of 74.0% standalone homes and 26.0% 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 AreaSearch's latest quarterly estimate, Tranmere is expected to grow by 859 residents through to 2041. Development is keeping pace with projected growth, though increasing competition among buyers may arise as the population expands.

Tranmere has emerging levels of nearby infrastructure activity, ranking in the 25thth percentile nationally

No infrastructure changes are anticipated in the area at present. Zero projects have been identified by AreaSearch that could potentially impact the region. Notable initiatives include the Magill Campus Renewal Project, Chain of Trails Master Plan, O-Bahn City Access Project, and SA Water Capital Work Delivery Contracts for 2024 to 28.

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AreaSearch analysis places Tranmere well above average for employment performance across multiple indicators

Tranmere has an educated workforce with professional services well represented. The unemployment rate was 3.4% in the past year, with estimated employment growth of 5.6%. As of December 2025, 2,587 residents were employed at a rate 0.4% lower than Greater Adelaide's 3.8%.

Workforce participation was 69.5%, slightly higher than Greater Adelaide's 66.0%. Home-based work accounted for 12.8% of jobs. Key industries include health care & social assistance, education & training, and retail trade. Tranmere specializes in professional & technical roles at 1.3 times the regional level but has fewer manufacturing jobs (4.8% vs Greater Adelaide's 7.0%).

Local employment opportunities appear limited as working population is lower than resident population. From December 2024 to December 2025, employment rose by 5.6%, labour force increased by 5.4%, and unemployment fell by 0.2 percentage points. In Greater Adelaide, employment rose by 4.2%, labour force grew by 3.9%, and unemployment fell by 0.3 percentage points. Jobs and Skills Australia's forecasts from May-25 project national employment growth of 6.6% over five years and 13.7% over ten years. Applying these projections to Tranmere's industry mix suggests local employment could increase by 6.9% over five years and 14.1% over ten years, though this is a simple extrapolation for illustrative purposes only.

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 income in Tranmere is higher than average nationally. The median assessed income is $57,120 and the average income stands at $72,917. This contrasts with Greater Adelaide's figures of a median income of $54,808 and an average income of $66,852. Based on Wage Price Index growth of 10.17% since financial year 2023, current estimates would be approximately $62,929 (median) and $80,333 (average) as of March 2026. Census 2021 income data shows household, family and personal incomes in Tranmere cluster around the 56th percentile nationally. Distribution data shows that the largest segment comprises 30.7% earning $1,500 - $2,999 weekly (1,405 residents), mirroring the metropolitan region where 31.8% occupy this bracket. After housing, 86.0% of income remains for other expenses and 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

Tranmere's dwelling structure, as per the latest Census, consisted of 81.2% houses and 18.8% other dwellings (semi-detached, apartments, 'other' dwellings). In comparison, Adelaide metro had 75.2% houses and 24.9% other dwellings. Home ownership in Tranmere was at 37.9%, with the rest either mortgaged (32.2%) or rented (29.9%). The median monthly mortgage repayment in Tranmere was $1,978, above Adelaide metro's average of $1,562. Median weekly rent in Tranmere was $385, compared to Adelaide metro's $320. 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 making up 4.5%. 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 is significantly higher than broader benchmarks. 40.4% of residents aged 15 and over hold university qualifications, compared to 25.7% in South Australia (SA) and 28.9% in Greater Adelaide. Bachelor degrees are the most common at 25.3%, followed by postgraduate qualifications at 11.0% and graduate diplomas at 4.1%. Trade and technical skills are also prominent, with 25.4% of residents aged 15 and over holding vocational credentials - advanced diplomas at 10.3% and certificates at 15.1%.

Educational participation is notably high, 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 operating in Tranmere, offering mixed bus services. These stops are served by 17 routes, facilitating 1,212 weekly passenger trips. Transport access is rated excellent, with residents typically residing 190 meters from the nearest stop. Primarily residential, most residents commute outward using cars (86%), with buses at 8%. Vehicle ownership averages 1.4 per dwelling. According to the 2021 Census, 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 individual 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. AreaSearch's assessment indicates low prevalence of common health conditions in both young and old age cohorts.

The rate of private health cover is high at approximately 56% of the total population (2,553 people), compared to 52.7% across Greater Adelaide. Mental health issues and arthritis are the most common medical conditions in the area, impacting 6.8% and 6.0% of residents respectively. 74.5% of residents declare themselves completely clear of medical ailments, compared to 67.9% across Greater Adelaide. Working-age residents have low chronic condition prevalence. The area has 16.0% of residents aged 65 and over (732 people), which is lower than the 19.2% in Greater Adelaide. Health outcomes among seniors are particularly strong, with national rankings even higher than the general population.

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 cultural diversity is notable, with 35.3% of its population born overseas and 34.5% speaking a language other than English at home. Christianity is the predominant religion in Tranmere, comprising 51.8% of the population. However, the category 'Other' is slightly overrepresented compared to Greater Adelaide, making up 1.7% versus 1.8%.

In terms of ancestry, the top groups are English (20.3%), Italian (17.2%), and Australian (15.4%). These figures differ from regional averages: English is lower (27.8%), Italian is higher (5.2%), and Australian is lower (22.8%). Certain ethnic groups show notable variations: Hungarian is overrepresented at 0.5% versus 0.3%, Korean at 1.5% versus 0.3%, and Polish remains similar 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 but somewhat older than Australia's median age of 38 years. The age group of 45-54 shows strong representation at 14.3% compared to Greater Adelaide, while the 75-84 cohort is less prevalent at 5.0%. Post-2021 Census data indicates that the 25-34 age group has grown from 12.2% to 13.4% of Tranmere's population. Conversely, the 75-84 cohort has declined from 5.9% to 5.0%. Population forecasts for the year 2041 suggest substantial demographic changes in Tranmere, with the 45-54 age group expected to grow by 30%, reaching 850 people from its current figure of 654.