Bridgewater (SA)

An assessment of population growth drivers in Bridgewater reveals an overall ranking slightly below national averages considering recent, and medium term trends

Based on analysis of ABS population updates for the broader area, and new addresses validated by AreaSearch, as of Feb 2026 the suburb of Bridgewater (SA) has an estimated population of around 3,842. This reflects an increase of 123 people since the 2021 Census, which reported a population of 3,719. The change is inferred from AreaSearch's estimate of 3,815 residents following examination of the latest ERP data release by the ABS in June 2024 and address validation since the Census date. This level of population equates to a density ratio of 559 persons per square kilometer. Population growth for the area was primarily driven by overseas migration contributing approximately 71.0% of overall population gains during recent periods.

AreaSearch is adopting 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, based on 2021 data and released in 2023, with adjustments made employing a method of weighted aggregation of population growth from LGA to SA2 levels. Future population dynamics anticipate an increase just below the median of statistical areas across the nation, with the area expected to expand by 228 persons to 2041 based on aggregated SA2-level projections, reflecting an increase of 5.5% in total over the 17 years.

Residential development activity is lower than average in Bridgewater according to AreaSearch's national comparison of local real estate markets

AreaSearch analysis of ABS building approval numbers shows Bridgewater averaged around 3 new dwelling approvals each year. Between FY-21 and FY-25, approximately 16 homes were approved, with another 4 approved in FY-26 so far.

This averages to about 5.9 new residents per home built over the past five financial years, indicating significant demand exceeding supply, which typically drives price growth and increased buyer competition. Developers target the premium market segment, constructing properties at an average value of $651,000. Compared to Greater Adelaide, Bridgewater has markedly lower building activity, 92.0% below the regional average per person, suggesting scarcity of new dwellings strengthens demand for existing properties. Recent development has been entirely comprised of detached dwellings, maintaining the area's traditional low density character focused on family homes. The estimated population per dwelling approval is 692 people.

Population forecasts indicate Bridgewater will gain approximately 211 residents by 2041. At current development rates, housing supply may struggle to match population growth, potentially heightening buyer competition and supporting price increases.

Bridgewater has limited levels of nearby infrastructure activity, ranking in the 15thth percentile nationally

No factors influence a region more than alterations to local infrastructure, major projects, and planning initiatives. AreaSearch has pinpointed 0 projects that could impact this area. Notable projects include South Eastern Freeway Upgrade, New Mount Barker Hospital, Adelaide Public Transport Capacity and Access, and Adelaide's Inner And Outer Ring Route Capacity Improvements, with the following list detailing those most relevant.

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Employment conditions in Bridgewater rank among the top 10% of areas assessed nationally

Bridgewater's workforce is highly educated with professional services well represented. The unemployment rate was 1.7% in the past year, showing an estimated employment growth of 3.0%. As of September 2025, 2,261 residents were employed while the unemployment rate was 2.3 percentage points below Greater Adelaide's rate of 3.9%.

Workforce participation was 75.0%, compared to Greater Adelaide's 66.4%. According to Census responses, 17.4% of residents worked from home, potentially influenced by Covid-19 lockdowns. Leading employment industries were health care & social assistance, education & training, and professional & technical services. Education & training had a particularly strong representation with an employment share 1.4 times the regional level.

Retail trade was under-represented at 6.5% compared to Greater Adelaide's 10.0%. The area offered limited local employment opportunities as indicated by the working population vs resident population count. Over a 12-month period ending in May-25, employment increased by 3.0% while labour force grew by 3.3%, raising the unemployment rate by 0.3 percentage points. In contrast, Greater Adelaide experienced employment growth of 3.0% and labour force growth of 2.9%, with a 0.1 percentage point drop in unemployment. National employment forecasts from Jobs and Skills Australia project national employment to expand by 6.6% over five years and 14.2% over ten years, suggesting Bridgewater's local employment should increase by 6.9% over five years and 14.2% over ten years based on a simple weighting extrapolation.

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 Bridgewater's median income among taxpayers is $58,877. The average income in the suburb is $83,340, which is among the highest in Australia. This compares to Greater Adelaide's median of $54,808 and average of $66,852. Based on Wage Price Index growth of 8.8% since financial year 2023, current estimates for Bridgewater would be approximately $64,058 (median) and $90,674 (average) as of September 2025. Census data reveals incomes in Bridgewater cluster around the 71st percentile nationally. The distribution data shows that 35.2% of individuals in Bridgewater earn between $1,500 - 2,999, aligning with the broader area where this cohort represents 31.8%. After housing costs, residents retain 87.4% of their income, reflecting strong purchasing power. The area's SEIFA income ranking places it in the 8th decile.

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

Bridgewater's dwelling structure, as per the latest Census, consisted of 98.7% houses and 1.3% other dwellings (semi-detached, apartments, 'other' dwellings), contrasting with Adelaide metro's 75.2% houses and 24.9% other dwellings. Home ownership in Bridgewater stood at 35.7%, with mortgaged dwellings at 53.9% and rented ones at 10.5%. The median monthly mortgage repayment was $1,733, higher than Adelaide metro's average of $1,562. Median weekly rent in Bridgewater was $400, compared to Adelaide metro's $320. Nationally, Bridgewater's mortgage repayments were lower than the Australian average of $1,863, while rents exceeded the national figure of $375.

Bridgewater has a typical household mix, with a higher-than-average median household size

Family households constitute 73.9% of all households, including 35.7% couples with children, 26.9% couples without children, and 11.2% single parent families. Non-family households comprise the remaining 26.1%, with lone person households at 23.6% and group households making up 1.9%. The median household size is 2.6 people, larger than the Greater Adelaide average of 2.5 people.

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

In Bridgewater, residents aged 15 and above have a higher educational attainment than broader benchmarks. Specifically, 41.2% of residents hold university qualifications, compared to 25.7% in South Australia (SA) and 28.9% in Greater Adelaide. This is attributed to the significant number of residents with bachelor degrees (26.7%), postgraduate qualifications (9.2%), and graduate diplomas (5.3%). Vocational credentials are also prominent, with 31.4% of residents holding such qualifications, including advanced diplomas (10.7%) and certificates (20.7%).

Educational participation is notably high in Bridgewater, with 30.4% of residents currently enrolled in formal education. This includes primary education (12.2%), secondary education (7.8%), and tertiary education (5.4%).

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

Public transport analysis shows 14 active stops operating within Bridgewater. These stops serve a mix of bus routes, totalling 22 individual routes that provide 404 weekly passenger trips combined. Transport accessibility is rated as good, with residents typically located 387 meters from the nearest stop. In this primarily residential area, most commuting is outward-bound. Car remains the dominant mode at 90%, while bus usage stands at 7%. Average vehicle ownership per dwelling is 1.6, surpassing the regional average.

According to the 2021 Census, 17.4% of residents work from home, which may reflect COVID-19 conditions. Service frequency averages 57 trips per day across all routes, translating to approximately 28 weekly trips per individual stop.

Bridgewater's residents boast exceedingly positive health performance metrics with very low prevalence of common health conditions across all age groups

AreaSearch's assessment shows Bridgewater has low prevalence of common health conditions across all age groups, with asthma and mental health issues affecting 9.1% each of residents. Approximately 60% of Bridgewater's total population (2300 people) have private health cover, compared to 52.7% in Greater Adelaide.

About 70% of Bridgewater residents declare no medical ailments, slightly higher than the 67.9% in Greater Adelaide. The under-65 population has better-than-average health outcomes. Only 17% of Bridgewater's residents are aged 65 and over (653 people), lower than Greater Adelaide's 19.3%. Senior health outcomes align with national rankings, similar to the general population.

Bridgewater ranks below the Australian average when compared to other local markets across a number of language and cultural background related metrics

Bridgewater, as per a study, ranked below average in cultural diversity. Its population was predominantly Australian-born (84.0%), citizens (93.5%), and English-speaking at home (94.9%). Christianity dominated religiously with 31.5%.

Notably, Judaism, though small at 0.4%, was overrepresented compared to Greater Adelaide's 0.1%. Ancestrally, the top three groups were English (33.5%), Australian (25.4%), and Scottish (8.6%). German (8.1%) and Welsh (0.8%) were also notably overrepresented, while Hungarian (0.4%) showed a smaller but significant divergence from regional averages.

Bridgewater's population is slightly older than the national pattern

The median age in Bridgewater is 40 years, similar to Greater Adelaide's average of 39 years, but somewhat older than Australia's average of 38 years. The age group of 45-54 has a strong representation at 15.0%, compared to Greater Adelaide, while the 25-34 cohort is less prevalent at 8.9%. According to data from the post-2021 Census, the 15 to 24 age group has increased from 10.2% to 12.3% of the population, and the 75 to 84 cohort has grown from 3.5% to 5.5%. Conversely, the 5 to 14 age group has declined from 15.3% to 14.0%. Population forecasts for 2041 indicate significant demographic changes in Bridgewater. The 85+ age group is expected to grow by 134%, reaching 144 people from 61, leading the demographic shift. Notably, the combined age groups of 65+ will account for 51% of total population growth, reflecting the area's aging demographic profile. In contrast, the 15 to 24 and 0 to 4 age cohorts are expected to experience population declines.