Sub-region (SA3) · Area profile
Serpentine - Jarrahdale
905 km²
Rapid growth has transformed Serpentine - Jarrahdale, with the population jumping 81% since 2011 to reach 32,242 people. This is a notably young community where the typical resident is just 34, and children under 15 make up nearly a quarter of the population. Families are the central focus here, with large households and a high proportion of couples with children. This expansion is reflected in the housing, which consists almost entirely of large, detached family homes.
Despite high local incomes, the area's schools serve a less advantaged intake.
A family-heavy area that's short on schools per child.
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The area is noticeably younger than the state and national average, and it has a high proportion of children under 15. This is consistent with a large number of families, including a high percentage of de facto relationships.
About 25.2% of residents were born overseas, which is a little below the national figure. English and Australian are the most common ancestries, making up 43.6% and 37.9% respectively.
English is the primary language for 83.6% of the community. While only 10.8% of people use another language at home—far below the national figure—this has risen by 6.6 percentage points since 2011.
Nearly half of the population (49.4%) report no religion, which is far above the national figure and represents a 20 point increase since 2011.
Qualifications are lower than in most similar areas, with only 13.2% of adults holding a bachelor degree or higher. However, Year 12 completion rose by 11 points since 2011 to reach 49.3%.
Typical weekly household income is $2,096, which is a little above the state and national figures. This is a significant increase from 2011, with the typical household earning $460 more per week.
Residents are generally healthier than those in other areas, with a lower percentage of people needing help with daily activities and a lower rate of long-term health conditions.
Caring for children is a major activity here, as 36.1% of people provide unpaid childcare, which is well above the national figure.
First Nations residents in the area are noticeably younger than the state average, with a typical age of 18. They also have much higher typical personal and household incomes compared to most areas.
Homes here are larger than usual, with 3.0 people per household. This is reflected in a very low proportion of people living alone, which is far below the national average.
The area is dominated by detached houses (97.5%), with 93.9% of homes having three or more bedrooms. Renting is very rare here, at only 12.6%, far below the state figure.
Car dependence is very high, as 65.3% of people drive to work and very few homes have no vehicle. The drive time to the city is also much higher than in most areas.
The community is relatively stable, with fewer people moving in the last five years compared to most areas. Recent arrivals from overseas are also well below the national average.
Employment is strong, with 69.2% of adults working or looking for work—well above the national figure. The unemployment rate is also much lower than most similar areas.
The area continues to expand rapidly, with population growth since 2021 reaching 21.4%, which is far above the Western Australian average.
The local climate is cooler than the state average, with an average maximum temperature of 24.3 degrees and annual rainfall far above the state figure.
The area is mostly car-dependent, with a walkability score far below the state average. Very few homes are within a 15-minute walk of groceries or health services.
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