Serpentine - Jarrahdale
Statistical Area - sa2

Serpentine - Jarrahdale has seen population growth performance typically on par with national averages when looking at short and medium term trends

Serpentine-Jarrahdale's population is 5,119 as of Aug 2025, a rise from 4,607 in the 2021 Census. This increase of 512 people (11.1%) is inferred from ABS data: an estimated resident population of 5,074 in June 2024 and 29 new addresses since the Census date. The population density is 8.7 persons per square kilometer. Growth since 2021 outpaced national averages (8.6%), indicating Serpentine-Jarrahdale's status as a growth leader. Interstate migration contributed approximately 48.3% to recent gains, with all factors positive. 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 post-2032 estimates, AreaSearch utilises growth rates by age cohort from the ABS's Greater Capital Region projections (released in 2023, based on 2022 data). Future trends suggest a population increase slightly below national medians by 2041, with an expected expansion of 510 persons and a total gain of 9.1%.

Recent residential development output has been above average within Serpentine - Jarrahdale when compared nationally

Serpentine-Jarrahdale averaged approximately 27 new dwelling approvals per year. The Australian Bureau of Statistics produces development approval data on a financial year basis, indicating 135 homes approved over the past five years from FY-2021 to FY-2025, with an additional five approvals in FY-2026 so far. On average, around 3.5 new residents were associated with each home built during these years. This supply lagged demand significantly, suggesting heightened buyer competition and pricing pressures for new homes, which were being constructed at an average value of $382,000, aligning with regional trends.

There have been $4.1 million in commercial approvals this financial year, reflecting the area's residential character. Compared to Greater Perth, Serpentine-Jarrahdale had significantly less development activity, 59.0% below the regional average per person, typically reinforcing demand and pricing for existing homes. Recent building activity comprised entirely detached houses, maintaining the area's traditional low-density character with a focus on family homes appealing to those seeking space. As of FY-2026, there were approximately 302 people associated with each dwelling approval, indicating a developing market.

Population forecasts project an increase of 465 residents in Serpentine-Jarrahdale by 2041. At current development rates, new housing supply should comfortably meet demand, offering favourable conditions for buyers and potentially supporting growth beyond current population projections.

Serpentine - Jarrahdale has limited levels of nearby infrastructure activity, ranking in the 14thth percentile nationally

The performance of an area can significantly influenced by changes to its local infrastructure, major projects, and planning initiatives. AreaSearch has identified a total of 26 such projects that are likely to impact the area. Notable projects include the Tonkin Highway Extension and Thomas Road Upgrade, which is also listed twice. Other key projects are North East Baldivis Stage 1 - Bulk Earthworks (Stage 1 Preload) and Baldivis Wastewater Infrastructure Upgrade. The following list details those projects that are likely to be most relevant.

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

Employment performance in Serpentine - Jarrahdale exceeds national averages across key labour market indicators

Serpentine-Jarrahdale has a diverse workforce with both white and blue collar jobs. The construction sector is prominent, with an unemployment rate of 3.0% as of June 2025.

Employment growth in the area was estimated at 3.5% over the past year. There are 2,588 residents employed, with an unemployment rate of 0.9% below Greater Perth's rate of 3.9%. Workforce participation is lower, at 56.9% compared to Greater Perth's 65.2%. Leading employment industries include construction, health care & social assistance, and mining.

The area specializes in agriculture, forestry & fishing, with an employment share 11.0 times the regional level. However, health care & social assistance is under-represented, at 9.7% compared to Greater Perth's 14.8%. Employment opportunities may be limited locally, as shown by the Census working population vs resident population count. Between June 2024 and June 2025, employment levels increased by 3.5% while labour force grew by 3.1%, reducing the unemployment rate by 0.4 percentage points. Statewide in WA, employment contracted by 0.82% (losing 14,590 jobs) to Sep-25, with a state unemployment rate of 4.3%. This compares favourably to the national unemployment rate of 4.5%, but lags behind national employment growth of 0.26%. National employment forecasts from May 2025 suggest an increase of 6.6% over five years and 13.7% over ten years. Applying these projections to Serpentine-Jarrahdale's employment mix, local growth could be approximately 5.6% over five years and 12.0% over ten years.

The area exhibits notably strong income performance, ranking higher than 70% of areas assessed nationally through AreaSearch analysis

The latest postcode level ATO data from AreaSearch shows Serpentine - Jarrahdale had a median income of $58,706 and an average of $75,502 for financial year 2022. Nationally, the median was lower at $54,093 with an average of $71,710. In Greater Perth, the median was $58,380 and the average was $78,020. By March 2025, adjusting for Wage Price Index growth of 11.61%, estimated figures would be approximately $65,522 (median) and $84,268 (average). Census data indicates household income ranks at the 63rd percentile ($1,956 weekly), while personal income is at the 46th percentile. The earnings band of $1,500 - $2,999 captures 31.1% of the community (1,592 individuals), similar to the broader area where this cohort represents 32.0%. After housing costs, 85.0% of income remains for other expenses. Serpentine - Jarrahdale's SEIFA income ranking places it in the 5th decile.

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

The dwelling structure in Serpentine - Jarrahdale, as per the latest Census, comprised 91.7% houses and 8.3% other dwellings (semi-detached, apartments, 'other' dwellings). In comparison, Perth metro had 97.8% houses and 2.2% other dwellings. Home ownership in Serpentine - Jarrahdale stood at 37.9%, with mortgaged dwellings at 52.5% and rented ones at 9.5%. The median monthly mortgage repayment was $2,167, higher than Perth metro's $1,971. The median weekly rent figure was $325, lower than Perth metro's $380. Nationally, Serpentine - Jarrahdale's mortgage repayments were significantly higher at $2,167 compared to the Australian average of $1,863, while rents were substantially below the national figure of $375 at $325.

Serpentine - Jarrahdale features high concentrations of family households, with a lower-than-average median household size

Family households comprise 79.7% of all households, including 35.5% couples with children, 35.7% couples without children, and 8.4% single parent families. Non-family households account for the remaining 20.3%, with lone person households at 18.0% and group households making up 1.5%. The median household size is 2.7 people, which is smaller than the Greater Perth average of 3.0.

Educational outcomes in Serpentine - Jarrahdale fall within the lower quartile nationally, indicating opportunities for improvement in qualification attainment

The area has lower university qualification rates at 14.9%, compared to the Australian average of 30.4%. This presents both challenges and opportunities for targeted educational initiatives. Bachelor degrees are the most prevalent at 11.4%, followed by postgraduate qualifications (1.8%) and graduate diplomas (1.7%). Vocational credentials are also common, with 41.0% of residents aged 15 and above holding them - advanced diplomas account for 9.8% and certificates for 31.2%.

Educational participation is high, with 33.7% of residents currently enrolled in formal education. This includes 12.2% in primary education, 11.0% in secondary education, and 3.7% pursuing tertiary education. The three schools in Serpentine-Jarrahdale have a combined enrollment of 328 students. These schools offer balanced educational opportunities, similar to typical Australian schools (ICSEA: 994). They focus exclusively on primary education, with secondary options available in nearby areas. Local school capacity is limited, with only 6.4 places per 100 residents compared to the regional average of 16.9, resulting in many families traveling for schooling.

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

Transport analysis shows 25 active stops operating in Serpentine - Jarrahdale area. These are bus stops serviced by one route offering 47 weekly trips. Accessibility is limited with residents typically 4810 meters from nearest stop.

Average service frequency is 6 trips per day, equating to approximately 1 trip per week per stop.

Health outcomes in Serpentine - Jarrahdale are marginally below the national average with common health conditions slightly more prevalent than average across both younger and older age cohorts

Health indicators suggest below-average outcomes in Serpentine - Jarrahdale.

Common health conditions are slightly more prevalent than average across both younger and older age cohorts. The rate of private health cover is very high at approximately 57% of the total population, which is around 2,922 people. The most common medical conditions in the area are arthritis and mental health issues, impacting 8.7 and 8.6% of residents respectively. A total of 67.2% of residents declared themselves completely clear of medical ailments, compared to 72.5% across Greater Perth. The area has 19.6% of residents aged 65 and over, which amounts to 1,005 people, higher than the 11.1% in Greater Perth. This is broadly in line with the general population's health profile.

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

Serpentine-Jarrahdale, surveyed in 2016, had low cultural diversity. 81.1% were Australian citizens, 76.3% born there, and 95.8% spoke English only at home. Christianity was the main religion (45.4%).

Buddhism was overrepresented at 1.6%, compared to Greater Perth's 0.9%. In ancestry, English comprised 35.3%, Australian 31.0%, Scottish 7.4%. Dutch were notably overrepresented at 3.5% vs regional 3.4%, Welsh at 0.7% vs 0.6%, and South African at 0.5% vs 1.1%.

Serpentine - Jarrahdale hosts an older demographic, ranking in the top quartile nationwide

The median age in Serpentine-Jarrahdale is 45 years, which is significantly higher than Greater Perth's average of 37 years and Australia's national average of 38 years. Compared to Greater Perth, Serpentine-Jarrahdale has a higher proportion of residents aged 55-64 (17.2%) but fewer residents aged 25-34 (10.1%). This concentration of the 55-64 age group is well above the national average of 11.2%. According to the 2021 Census, the proportion of residents aged 65-74 increased from 10.2% to 11.6%, while the 55-64 cohort rose from 15.8% to 17.2%. Conversely, the 45-54 age group decreased from 17.1% to 13.5%. By 2041, demographic projections indicate significant shifts in Serpentine-Jarrahdale's age structure. The 65-74 age group is expected to grow by 48%, reaching 882 people from 595. Notably, the combined age groups of 65 and above will account for 88% of total population growth, reflecting the area's aging demographic profile. In contrast, both the 0-4 and 5-14 age groups are projected to decrease in number.