Dee Why
NSWDee Why is a growing suburb in NSW with 23,354 residents.
- SAL code
- 11229
- SA2
- 122031695
- Population
- 23,354
- LGA
- Northern Beaches
Dee Why, NSW had 23,354 residents at the 2021 Census, with the broader statistical area showing a 7.1% growth over the last five years. The predominant age group is 25-34 years, and the median age sits at 36. Households are most often couples with children, and those with a mortgage repay a median of $2,457 a month. Around 51.5% of homes are owner-occupied, with the largest single tenure being rented at 48.5%. Most dwellings are flats or apartments, making up 81.0% of the suburb's housing stock. The suburb has 12 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
?23,354
Suburb · Census 2021
5-Year Growth
+7.1%
3yr: +6.9% · 10yr: +15.6%
SA2 · 5yr
Household Income
$2,106/wk
Suburb · Census 2021 median
Median Age
36
Suburb · Census 2021
Socio-Economic Index
?6/10
SA2 · middle-range
Unemployment
?5.7%
SA4 · Q4 2025
Schools
2
1 primary
Hospitals
No data for this suburb
Childcare services
?9
6 long day, 3 OSHC
Parks & green space
?12
Parks, reserves
Transport stops
?55
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 — Dee Why - North (SA2)
ABS publishes annual estimates only at SA2; Dee Why suburb alone is ~23,354 (Census 2021).
Growth at a Glance
Population grew from 11,772 to 19,332 over 24 years, averaging 2.1% per year.
Schools
2 in suburbGovernment school catchment
Intake zonePrimary
Dee Why PS52.1%
- Curl Curl NPS 24.2%
- Narraweena PS 14.1%
- Brookvale PS 8.7%
- Cromer PS 0.7%
Secondary
NBSC Cromer
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
Public housing 0.9%Almost entirely apartments (81%), mixed tenure (52% own or mortgage), built for families (58% are 2 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 | 46.1% | 1.42 km² |
| R3 | ZoneResidential | 28.3% | 0.87 km² |
| RE1 | ZoneRecreation | 14.7% | 0.45 km² |
| MU1 | ZoneBusiness | 6.7% | 0.21 km² |
| SP2 | ZoneSpecial use | 2.1% | 0.06 km² |
| E1 | ZoneEnvironmental | 0.8% | 0.02 km² |
| E4 | ZoneEnvironmental | 0.7% | 0.02 km² |
| E3 | ZoneEnvironmental | 0.3% | 0.01 km² |
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.