Sub-region (SA3) · Area profile

St Marys

33 km²

Fewer than 1 in 5 households in St Marys earn $3,000 or more a week, a figure that is well below the national average. This is a young community where the typical resident is just 35, which helps explain why 21.2% of the population are children. It is a place of large family homes and high rental demand, situated in a very walkable environment where most residents live within a short stroll of parks, schools, and shops.

St Marys has many young families but fewer schools per child than most areas.

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📍 St Marys, Sub-region (SA3)

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The area is noticeably younger than the rest of Australia, with a typical age of 35 and a much lower proportion of seniors. Its population grew by 9.1% since 2011, and the Aboriginal and Torres Strait Islander community now makes up 4.7% of the population.

About 28.8% of residents were born overseas, a figure that rose 3.0 points since 2011. While Australian and English are the most common ancestries, there is a significant Filipino community, with 3.8% of the population born in the Philippines.

Language diversity is high, with 26.6% of people using a language other than English at home, which is well above the national figure. Arabic, Tagalog, and Hindi are the most common additional languages spoken.

Religious affiliation is lower than in most similar areas; 24.7% of people report having no religion, though this is still far below the national figure of 38.9%. Christianity remains the most common religion at 55.7%.

Educational qualifications are lower than in most areas, with only 14.4% of adults holding a bachelor degree. However, Year 12 completion rose by 9.3 points since 2011 to reach 48.2%.

Typical weekly family income is $1,975, which is a little below the New South Wales figure. While the typical personal income rose by $202 since 2011, only 6.5% of people earn $2,000 or more per week, which is much lower than most areas.

Long-term health conditions are reported by 27.3% of residents, which is about the same as the national figure. Mental health conditions are reported by 7.7% of the population, a figure lower than most areas.

Volunteer rates are among the lowest at this level, with only 7.1% of people volunteering, a figure that fell 2.6 points since 2011. Unpaid care for children is common, with 26.3% of the population providing this support.

The First Nations community is larger than in 72% of similar areas. Residents here are a little younger than the state average, and their typical personal income of $679 is well above the national figure.

Homes here are larger than usual, with a typical size of 2.8 people. One-parent families make up 19.5% of the population, which is well above both the state and national figures.

Detached houses are very common, and 84.8% of homes have three or more bedrooms, far above the national average. Renting is more common than in most areas, and the typical weekly rent rose $90 since 2011 to $390.

While 22.6% of people work from home—a figure that rose 21 points since 2011—most still commute by car. The area is well served by public transport, with 325 stops and a very short walk to the nearest one.

The population is relatively stable, with 33.3% of people moving in the last five years, which is well below the national figure. Recent arrivals from overseas fell slightly to 8.4% since 2011.

The unemployment rate is 5.7%, which is about the same as the state and national figures. Many residents work in health care, construction, and retail, though the number of adults working or looking for work fell 6.5 points since 2011.

The population reached an estimated 59,659 people, though growth since 2021 has been 4.4%, which is a little below the New South Wales average.

The area receives 937mm of annual rainfall, which is far above the state average. Maximum temperatures typically reach 25.3 degrees, slightly higher than the state figure.

St Marys is very walkable, with a score of 6.8. Nearly all homes are within a 15-minute walk of a park (99.2%) or a school (93.4%), and 84.3% are within a short walk of groceries.

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