Gymea Bay
NSWGymea Bay is a growing suburb in NSW with 6,983 residents.
- SAL code
- 11834
- SA2
- 128011529
- Population
- 6,983
- LGA
- Sutherland
Gymea Bay, NSW had 6,983 residents at the 2021 Census, with the broader statistical area showing a 3.7% growth over the last five years. The predominant age group is 45-54 years, and the median age sits at 42. Households are most often couples with children, and those with a mortgage repay a median of $3,033 a month. Around 92.7% of homes are owner-occupied, with the largest single tenure being owned with a mortgage at 48.0%. Most dwellings are separate houses, making up 90.4% of the suburb's housing stock. The suburb has 7 parks and reserves mapped within its boundary. Source: ABS Census 2021 and Estimated Resident Population, with amenity counts from state Open Data and OpenStreetMap.
Population
?6,983
Suburb · Census 2021
5-Year Growth
+3.7%
3yr: +3.6% · 10yr: +5.1%
SA2 · 5yr
Household Income
$3,047/wk
Suburb · Census 2021 median
Median Age
42
Suburb · Census 2021
Socio-Economic Index
?10/10
SA2 · least disadvantaged
Unemployment
?1.8%
SA4 · Q4 2025
Schools
1
1 primary
Hospitals
No data for this suburb
Childcare services
?3
2 long day, 1 OSHC
Parks & green space
?7
Parks, reserves
Transport stops
?46
GTFS stops
Dwelling approvals
?69
Sutherland · Feb 2026
Median Weekly Rent
Based on NSW rental bond lodgements, aggregated at postcode level. All SALs sharing this postcode show the same median.
Median House Sale Price
Source: state Valuer-General (suburb-level quarterly medians).
→ Calculate stamp duty on this suburb's median price→ Estimate mortgage repayments→ Calculate rental yield (price + median rent)
Safety & Crime
2025 Q4Reported incidents from NSW police. Offence rates may not reflect all crime.
Population over time — Gymea - Grays Point (SA2)
ABS publishes annual estimates only at SA2; Gymea Bay suburb alone is ~6,983 (Census 2021).
Growth at a Glance
Population grew from 16,832 to 18,888 over 24 years, averaging 0.5% per year.
Schools
1 in suburbGovernment school catchment
Intake zonePrimary
Gymea Bay PS95.8%
- Yowie Bay PS 4.0%
- Kirrawee PS 0.1%
- Grays Pt PS 0.1%
Secondary
Kirrawee HS71.0%
- Port Hacking HS 29.0%
Source: NSW Department of Education — School Intake Zones. Boundaries can be amended without notice; confirm with the school before relying on enrolment.
Profile
Census snapshot
Housing
Almost entirely detached houses (90.4%), owner-occupied (93%), built for families (43% are 4 bed).
Dwelling mix
Tenure
Number of bedrooms
Bushfire & flood risk
Hazard data is not yet available for NSW.
Source when available: NSW Rural Fire Service (BFPL) and NSW DPHI EPI Flood.
Planning zones
8 zones in suburb| Code | Zone | % covered | Area |
|---|---|---|---|
| R2 | ZoneResidential | 41.1% | 0.98 km² |
| C3 | ZoneEnvironmental | 36.5% | 0.87 km² |
| C4 | ZoneEnvironmental | 10.9% | 0.26 km² |
| C2 | ZoneEnvironmental | 5.7% | 0.14 km² |
| RE1 | ZoneRecreation | 3.2% | 0.08 km² |
| W1 | ZoneWaterway | 1.3% | 0.03 km² |
| SP2 | ZoneSpecial use | 1.2% | 0.03 km² |
| E1 | ZoneEnvironmental | 0.2% | 3,792 m² |
Source: NSW DPHI EPI Land Zoning (ZONE_NSW/2026-04-29/1eccf1a530fa1be5) · As of Apr 2026. Zone boundaries are amended periodically; verify the exact property with the relevant council before relying on permitted use.