St Peters (NSW)

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According to calculations by Districts on ABS population statistics for the surrounding region and updated address logs, the suburb of St Peters (NSW) has a projected residency of 4,172 individuals in May 2026. This indicates a rise of 543 people (15.0%) compared to the 2021 Census, which documented 3,629 people. This shift is derived from a local resident base of 4,171 estimated by Districts using the June 2025 ABS ERP release and 97 validated new addresses registered post-Census. Such population levels represent a density of 2,411 persons per square kilometer, placing the suburb of St Peters (NSW) in the top quartile of all Australian locations evaluated. Its 15.0% expansion rate since the 2021 census outpaced the broader SA3 region (6.1%) and the state, establishing it as a regional growth hotspot. Most of this growth stemmed from overseas migration, which accounted for approximately 71.0% of the population increase in recent times.

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St Peters features a workforce with high levels of education, particularly strong representation in the tech sector, a low unemployment rate of 3.4%, and an annual employment growth estimate of 2.4% based on localized data. As of March 2026, there are 2,725 employed residents. The local unemployment rate sits 0.7% below the Greater Sydney average of 4.1%, while the participation rate is exceptionally high at 77.2% compared to 69.1% for Greater Sydney. Census records show that a high 63.2% of workers operated from home, though this figure likely reflects pandemic containment measures.

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ATO records for the 2023 financial year show that tax returns in St Peters place the area in the top national percentile, with a median income of $84,964 and an average of $103,015. For comparison, Greater Sydney recorded a median of $60,817 and an average of $83,003. Adjusting for a Wage Price Index rise of 10.32% since the 2023 financial year, current estimates point to a median of $93,732 and an average of $113,646 as of March 2026. The 2021 Census confirms that household, family, and individual incomes in St Peters are elevated, ranking in the 96th to 97th percentiles across Australia. The earnings distribution shows 31.0% of the community (1,293 individuals) earning above $4000+, differing from the wider region where the weekly range of - is most common at . The high share of affluent earners ( receiving more than weekly) indicates substantial financial capacity in this suburb. Local housing costs absorb of earnings, yet strong wages keep disposable income in the th national percentile, and the local SEIFA income score falls into the th decile.

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The mix of housing in St Peters at the time of the last Census consisted of 22.5% houses and 77.5% alternative dwellings such as semi-detached homes, apartments, and other housing formats, compared to the Sydney metro split of 55.9% houses and 44.1% other dwellings. Home ownership in St Peters was lower than the metropolitan average at 19.0%, with the remaining properties occupied by residents with a mortgage (35.6%) or tenants renting (45.4%). The median monthly mortgage payment was notably higher than the metro average at $2,860, while the median weekly rent was logged at $650, compared to metropolitan figures of $2,427 and $470. On a national level, mortgage commitments in St Peters are far higher than the Australian average of $1,863, while weekly rents are also well above the countrywide figure of $375.

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Families make up the majority of households at 63.1%, consisting of couples with children at 21.4%, couples without children at 34.4%, and single parents at 5.9%. Non-family households account for the remaining 36.9%, with single person dwellings making up 24.0% and shared houses at 13.0%. The median household size of 2.3 individuals is smaller than the Greater Sydney average of 2.7.

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The level of education in St Peters is considerably higher than regional and national averages, with 56.3% of residents aged 15+ holding a university degree, compared to 30.4% nationally and 32.2% across NSW. This educational lead positions the community well for professional services and knowledge sector roles. Bachelor degrees are the most common at 37.4%, followed by postgraduate degrees (14.9%) and graduate diplomas (4.0%). Vocational qualifications are held by 22.4% of those aged 15+, consisting of advanced diplomas (10.5%) and certificates (11.9%).

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An audit of public transport shows 35 active stops within St Peters, combining rail and bus networks. These services run across 7 unique routes, supporting 1,834 weekly passenger trips. Transport access is classified as excellent, with residents living an average of 189 meters from their nearest stop. Commuters mostly travel out of the suburb, with cars remaining the main transport choice at 56%, followed by trains at 20% and walking at 10%. Households own an average of 0.6 vehicles, which is lower than the metropolitan average. A high 63.2% of residents worked from home, according to the 2021 Census, which was likely affected by pandemic conditions.

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Health assessments indicate excellent results in St Peters, based on Districts findings regarding death rates and chronic illness rates, with both youth and older groups displaying low instances of major diseases. Additionally, private health insurance uptake is exceptionally high, covering approximately 68% of the population (2,816 people). This is higher than the Greater Sydney average of 59.9% and the national average of 55.7%.

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St Peters shows greater cultural diversity than most compared areas, with 22.2% of the population speaking a non-English language at home and 34.3% born in another country. Christianity is the main religious affiliation, representing 29.3% of residents. The most noticeable religious overrepresentation is Judaism, which accounts for 0.8% of the local population, matching the 0.8% average for Greater Sydney.

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The median age of 35 years in the suburb of St Peters (NSW) is slightly younger than Greater Sydney's median of 37 and the national average of 38. The 25 - 34 demographic has a strong footprint at 27.0%, compared to Greater Sydney, while the 5 - 14 group is smaller at 7.2%. The 25 - 34 cohort size is much larger than the national average of 14.6%. Since 2021, the 35 to 44 age cohort has increased from 23.0% to 25.3%, and the 15 to 24 group grew from 7.3% to 8.7%. Meanwhile, the 25 to 34 age bracket decreased from to . Projections for indicate demographic shifts, with the to cohort expected to grow by people () from to while the to group is forecast to rise by a modest ( people).

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St Peters currently has an estimated 225 children under 5 years old, comprising approximately 136 children aged 0-2 and 90 children aged 3-4. This cohort grew by an estimated 7% since the previous census. while population forecasts indicate future growth, with an anticipated increase of 1% by 2041 (to approximately 228 children). Meanwhile the 5-12 cohort currently amounts to 302. While growth has been positive birth rates observed in the area have been moderate, with approximately 10.5 births per 1,000 residents recorded over the latest two-year period analysed which ranks the area within the middle tier nationally. This rate has slowed down slightly in recent years however.