Baulkham Hills
NSWBaulkham Hills is a stable suburb in NSW with 37,415 residents.
- SAL code
- 10233
- SA2
- 115011290
- Population
- 37,415
- LGA
- The Hills
Baulkham Hills, NSW had 37,415 residents at the 2021 Census, with the broader statistical area showing a 1.0% growth over the last five years. The predominant age group is 35-44 years, and the median age sits at 39. Households are most often couples with children, and those with a mortgage repay a median of $2,600 a month. Around 77.2% of homes are owner-occupied, with the largest single tenure being owned with a mortgage at 43.9%. Most dwellings are separate houses, making up 76.3% of the suburb's housing stock. The suburb has 41 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
?37,415
Suburb · Census 2021
5-Year Growth
+1.0%
3yr: +1.9% · 10yr: +8.6%
SA2 · 5yr
Household Income
$2,474/wk
Suburb · Census 2021 median
Median Age
39
Suburb · Census 2021
Socio-Economic Index
?9/10
SA2 · least disadvantaged
Unemployment
?4.8%
SA4 · Q4 2025
Schools
7
4 primary, 3 secondary
Hospitals
No data for this suburb
Childcare services
?33
24 long day, 9 OSHC
Parks & green space
?41
Parks, reserves
Transport stops
?182
GTFS stops
Dwelling approvals
?138
The Hills · 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 — Baulkham Hills - East (SA2)
ABS publishes annual estimates only at SA2; Baulkham Hills suburb alone is ~37,415 (Census 2021).
Growth at a Glance
Population grew from 19,901 to 25,268 over 24 years, averaging 1.0% per year.
Schools
7 in suburbGovernment school catchment
Intake zonePrimary
Crestwood PS23.4%
- Jasper Rd PS 21.4%
- Baulkham Hls NPS 20.8%
- Matthew Pearce PS 14.6%
- Winston Hls PS 7.9%
- Excelsior PS 6.6%
- Winston Hts PS 4.5%
- Northmead PS 0.6%
- Nth Rocks PS 0.1%
- Murray Farm PS 0.0%
- Samuel Gilbert PS 0.0%
- Seven Hls NPS 0.0%
Secondary
Model Farms HS49.8%
- Crestwood HS 30.0%
- Muirfield HS 20.9%
- Northmead CPAHS 1.8%
- Seven Hls HS 0.0%
- Wyndham College 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
Public housing 0.5%Almost entirely detached houses (76.3%), owner-occupied (77%).
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
9 zones in suburb| Code | Zone | % covered | Area |
|---|---|---|---|
| R2 | ZoneResidential | 71.9% | 9.81 km² |
| RE1 | ZoneRecreation | 12.4% | 1.70 km² |
| R3 | ZoneResidential | 8.3% | 1.14 km² |
| SP2 | ZoneSpecial use | 3.1% | 0.42 km² |
| R4 | ZoneResidential | 1.7% | 0.24 km² |
| C2 | ZoneEnvironmental | 1.2% | 0.16 km² |
| E1 | ZoneEnvironmental | 0.8% | 0.10 km² |
| R1 | ZoneResidential | 0.3% | 0.04 km² |
| RE2 | ZoneRecreation | 0.2% | 0.03 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.