ABS 2021 Census · Updated 31 March 2026
North St Marys is a regional centre in New South Wales, Australia, with a population of approximately 4,123, making it a boutique locality. Located approximately 41 km from the Sydney CBD, North St Marys is a regional area in New South Wales. The median household income is $65,260 AUD per year (ABS 2021 Census).
Household earnings in North St Marys are below the state average, which may affect long-term capital growth. Distance from major centres is a consideration, though regional markets can offer higher rental yields.
Map shows North St Marys, New South Wales, Australia.
Official Australia Post postcode for North St Marys. A postcode may cover multiple suburbs.
Australia Post Postcode Finder →Usual resident population at census night. Source: ABS 2021 Census of Population and Housing.
ABS Census Data →Weekly median rent for occupied private dwellings. Source: ABS 2021 Census. Live rental data integration coming soon.
State Rental Authority →Annual median household income (before tax) for all households. Source: ABS 2021 Census.
ABS Census Data →Straight-line distance from the suburb centroid (ABS 2021 SAL geography) to the nearest capital city CBD. Actual driving distance will be longer.
Estimated 1 school within or near this suburb based on ABS 2021 data.
Find schools near North St Marys on My School →Estimated 2 parks and green spaces near this suburb. Source: ABS 2021 data.
Monthly median mortgage repayment for households currently paying off a mortgage. Source: ABS 2021 Census.
ABS Census Data →Proportion of separate houses vs units, townhouses, and other dwelling types. Source: ABS 2021 Census. Relevant for investors assessing rental demand mix.
ABS Census Data →As a regional centre, North St Marys serves a wide catchment area. Regional property can offer higher rental yields than metro equivalents, though investors should assess local employment diversity and infrastructure plans. The median rent of $340/week (ABS 2021) indicates an affordable rental market. Owner-occupiers face a median mortgage repayment of $1,800/month. 92% of dwellings are separate houses, indicating a predominantly family-oriented, land-rich market.
North St Marys offers moderate buy-and-hold potential — look for properties with value-add opportunities.
Expect competitive but not exceptional rental returns in North St Marys's current market.
Limited buyer depth in North St Marys makes flip strategies higher-risk — consider rental conversion instead.
Run the numbers on a North St Marys property
Scenario comparison, cash flow analysis, tax modelling, and PDF export — all in one place.
Create free account →Price movement in North St Marys is expected to be flat to modest in 2026, reflecting broader regional market conditions. The rental pipeline in North St Marys is thinner — flexible lease terms could help secure tenants faster. Investor sentiment toward North St Marys is currently lukewarm — value hunters may find opportunity here.
North St Marys is a regional area in New South Wales with a population of 4,123. The median rent is $340/week and the median household income is $65,260/year (ABS 2021 Census). As with any property investment, conduct thorough due diligence on current listings, vacancy rates, and local infrastructure plans before committing.
Key demand drivers in North St Marys include regional employment hubs, lifestyle, and affordability. 92% of dwellings are separate houses. The area has approximately 1 schools and 2 parks nearby.
According to the ABS 2021 Census, North St Marys has a population of approximately 4,123. For historical population trends and intercensal estimates, visit the ABS Census Data Explorer at abs.gov.au.
North St Marys is approximately 41 km straight-line distance from the Sydney CBD (calculated from ABS 2021 suburb centroid coordinates). Road travel times will vary; check current mapping services for up-to-date routes.