Bilgola Plateau
NSWBilgola Plateau is a stable suburb in NSW with 3,650 residents.
- SAL code
- 10350
- SA2
- 122021422
- Population
- 3,650
- LGA
- Northern Beaches
Bilgola Plateau, NSW had 3,650 residents at the 2021 Census, with the broader statistical area roughly steady over the last five years. The predominant age group is 5-14 years, and the median age sits at 46. Households are most often couples with children, and those with a mortgage repay a median of $3,315 a month. Around 90.0% of homes are owner-occupied, with the largest single tenure being owned with a mortgage at 47.7%. Most dwellings are separate houses, making up 98.6% of the suburb's housing stock. The suburb has 4 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
?3,650
Suburb · Census 2021
5-Year Growth
+0.2%
3yr: +2.9% · 10yr: +0.3%
SA2 · 5yr
Household Income
$2,856/wk
Suburb · Census 2021 median
Median Age
46
Suburb · Census 2021
Socio-Economic Index
?10/10
SA2 · least disadvantaged
Unemployment
?3.7%
SA4 · Q4 2025
Schools
1
1 primary
Hospitals
No data for this suburb
Childcare services
?1
1 OSHC
Parks & green space
?4
Parks, reserves
Transport stops
?15
GTFS stops
Dwelling approvals
?32
Northern Beaches · 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 — Newport - Bilgola (SA2)
ABS publishes annual estimates only at SA2; Bilgola Plateau suburb alone is ~3,650 (Census 2021).
Growth at a Glance
Population grew from 12,881 to 13,928 over 24 years, averaging 0.3% per year.
Schools
1 in suburbGovernment school catchment
Intake zonePrimary
Bilgola Plateau PS97.4%
- Avalon PS 2.6%
- Newport PS 0.0%
Secondary
Barrenjoey HS100.0%
- Pittwater HS 0.0%
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 (98.6%), owner-occupied (90%), built for families (45% 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
6 zones in suburb| Code | Zone | % covered | Area |
|---|---|---|---|
| C4 | ZoneEnvironmental | 76.5% | 1.07 km² |
| R2 | ZoneResidential | 14.1% | 0.20 km² |
| C2 | ZoneEnvironmental | 3.6% | 0.05 km² |
| RE1 | ZoneRecreation | 2.8% | 0.04 km² |
| SP2 | ZoneSpecial use | 2.3% | 0.03 km² |
| E1 | ZoneEnvironmental | 0.7% | 9,168 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.