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St Marys - North St Marys
NSWSt Marys - North St Marys is a growing suburb in NSW with 18,757 residents.
- SA2 code
- 124051581
- State
- NSW
Population
18,757
Estimated 2025
5-Year Growth
+7.6%
3yr: +5.9% · 10yr: +15.8%
5-year growth
Median Rent
$360/wk
Census 2021
Median Income
$1,395/wk
Household, Census 2021
Population over time — St Marys - North St Marys (SA2)
ABS publishes annual estimates only at SA2 level, not at suburb level.
Growth at a Glance
3yr: +5.9%5yr: +7.6%10yr: +15.8%Total: +40.0%
Population grew from 13,398 to 18,757 over 24 years, averaging 1.4% per year.
Profile
Census snapshot
Housing
Public housing 7.7%Predominantly detached houses (61.8%), rental-heavy (54.5% renting), built for families (51% are 3 bed).
Dwelling mix
Houses 62%
Townhouses 24%
3,717 houses1,451 townhouses842 apartments
Tenure
Owned 19%
Mortgage 26%
Renting 55%
Number of bedrooms
1 bed
228 (3.9%)
2 bed
1,455 (24.6%)
3 bed
3,010 (50.8%)
4 bed
988 (16.7%)
5 bed
187 (3.2%)
6+ bed
52 (0.9%)