Baulkham Hills vs Castle Hill

Baulkham Hills is the younger of the two, with a median age of 39 against 42 in Castle Hill. In both, the large majority of households own their home, most homes are detached houses, and most households are couple families. Houses cost more in Castle Hill: a median of $2.46 million, against $1.96 million in Baulkham Hills, and rent is higher there too. On these figures, Baulkham Hills tends to suit buyers on a tighter budget.

Which one suits you?

There is no overall winner — the suburb that suits a family with school-age kids is routinely the wrong one for someone commuting into the city. So each of these answers its own question, against a checklist you can see, using the same figures in the tables below.

Families with school-age kids

Castle Hill

ahead on 3 of the 6 things we measure here

  • has more childcare (37 vs 28)
  • has more schools inside the suburb (13 vs 10)
  • has more parks and reserves (34 vs 27)
  • But Baulkham Hills carries lower crime risk (26/100 vs 43/100)

Weighs schools, house stock, crime, parks, childcare, and who already lives there.

First-home buyers

Baulkham Hills

ahead on 3 of the 4 things we measure here

  • has cheaper land ($1,410,000 vs $3,490,000)
  • has cheaper houses ($1,955,000 vs $2,460,000)
  • has cheaper units ($815,000 vs $964,000)

Weighs house prices, unit prices, land prices, and mortgage stress.

Renters

Too close to call

Nothing among the 3 things we measure here separates them by enough to be worth acting on.

Weighs rent, rental stress, and how much is for rent.

Commuting to the city

Castle Hill

ahead on the one thing that separates them

  • is more walkable (96/100 vs 83/100)

Weighs distance, drive time, rail access, and walkability.

Downsizers and retirees

Castle Hill

ahead on 2 of the 5 things we measure here

  • has more GPs (13 vs 5)
  • is more walkable (96/100 vs 83/100)
  • But Baulkham Hills carries lower crime risk (26/100 vs 43/100)

Weighs smaller dwellings, who already lives there, GPs, walkability, and crime.

Investors

Too close to call

Nothing among the 3 things we measure here separates them by enough to be worth acting on.

Weighs house yield, unit yield, and population growth.

Where they sit

Baulkham Hills and Castle Hill drawn to the same scale. Both outlines are shown together, so the map answers whether they share a border and how their areas compare.

Baulkham Hills Castle Hill
Hides rows where both suburbs match

Bars start at zero. Scores, risks and rankings are drawn against their full 0–100 range; other rows are drawn in proportion to the larger of the two.

Side by side, out of 100

Risks are inverted — shown as safety and low exposure — so a longer bar always means better.

Baulkham Hills Castle Hill
Walkability 83 / 96
Baulkham Hills — Walkability: 83/100 Castle Hill — Walkability: 96/100
Safety 74 / 57
Baulkham Hills — Safety: 74/100 Castle Hill — Safety: 57/100
Low fire risk 100 / 82
Baulkham Hills — Low fire risk: 100/100 Castle Hill — Low fire risk: 82/100

Demographics

Castle Hill skews older (42 vs 39).

Baulkham Hills Castle Hill
Population 37,415 40,874
+9% vs other
Population trend (2016 → 2021) +1.0% +3.2%
Median age 39 42
Median household income $128,648/yr $132,652/yr
+3% vs other
Median weekly rent $520/wk $560/wk
+8% vs other

Age profile

Share of residents in each band, 2021 Census.

Baulkham Hills Castle Hill
0-4 5.9% / 4.3%
Baulkham Hills — 0-4: 5.9% Castle Hill — 0-4: 4.3%
5-14 15.8% / 14.5%
Baulkham Hills — 5-14: 15.8% Castle Hill — 5-14: 14.5%
15-19 5.9% / 6.7%
Baulkham Hills — 15-19: 5.9% Castle Hill — 15-19: 6.7%
20-24 4.9% / 5.8%
Baulkham Hills — 20-24: 4.9% Castle Hill — 20-24: 5.8%
25-34 9.6% / 8.3%
Baulkham Hills — 25-34: 9.6% Castle Hill — 25-34: 8.3%
35-44 17.5% / 14.2%
Baulkham Hills — 35-44: 17.5% Castle Hill — 35-44: 14.2%
45-54 13.8% / 14.3%
Baulkham Hills — 45-54: 13.8% Castle Hill — 45-54: 14.3%
55-64 10.4% / 12.0%
Baulkham Hills — 55-64: 10.4% Castle Hill — 55-64: 12.0%
65-74 9.0% / 10.4%
Baulkham Hills — 65-74: 9.0% Castle Hill — 65-74: 10.4%
75-84 5.3% / 6.2%
Baulkham Hills — 75-84: 5.3% Castle Hill — 75-84: 6.2%
85+ 1.9% / 3.4%
Baulkham Hills — 85+: 1.9% Castle Hill — 85+: 3.4%

Bars are drawn against the largest share shown (17.5%).

Who lives together

Household composition, 2021 Census.

Baulkham Hills 64.7% couple families
Baulkham Hills — Couple Families: 64.7% Baulkham Hills — Lone Person: 19.8% Baulkham Hills — One Parent Families: 12.5% Baulkham Hills — Group Household: 2.1% Baulkham Hills — Other Families: 0.9%
Castle Hill 64.0% couple families
Castle Hill — Couple Families: 64.0% Castle Hill — Lone Person: 20.9% Castle Hill — One Parent Families: 12.3% Castle Hill — Group Household: 1.8% Castle Hill — Other Families: 1.1%
Couple Families Lone Person One Parent Families Group Household Other Families

Who owns and who rents

Occupied private dwellings by tenure, 2021 Census.

Baulkham Hills 22.8% renting
Baulkham Hills — Owned Outright: 33.3% Baulkham Hills — Mortgage: 43.9% Baulkham Hills — Renting: 22.8%
Castle Hill 24.1% renting
Castle Hill — Owned Outright: 36.8% Castle Hill — Mortgage: 39.2% Castle Hill — Renting: 24.1%
Owned outright Mortgage Renting

Where residents were born

Largest overseas birthplaces, as a share of all residents, 2021 Census. A dash means that country is not among the suburb's own eight largest.

Baulkham Hills Castle Hill
China 8.2% / 9.2%
Baulkham Hills — China: 8.2% Castle Hill — China: 9.2%
India 7.5% / 5.4%
Baulkham Hills — India: 7.5% Castle Hill — India: 5.4%
England 2.3% / 3.0%
Baulkham Hills — England: 2.3% Castle Hill — England: 3.0%
Iran 1.7% / 1.7%
Baulkham Hills — Iran: 1.7% Castle Hill — Iran: 1.7%
Sri Lanka 1.6% / 1.6%
Baulkham Hills — Sri Lanka: 1.6% Castle Hill — Sri Lanka: 1.6%

Bars are drawn against the largest share shown (9.2%).

Qualifications

Highest non-school qualification, residents 15+, 2021 Census.

Baulkham Hills Castle Hill
Bachelor Degree 20.0% / 21.8%
Baulkham Hills — Bachelor Degree: 20.0% Castle Hill — Bachelor Degree: 21.8%
Postgraduate Degree 10.2% / 10.8%
Baulkham Hills — Postgraduate Degree: 10.2% Castle Hill — Postgraduate Degree: 10.8%
Advanced Diploma / Diploma 8.0% / 8.3%
Baulkham Hills — Advanced Diploma / Diploma: 8.0% Castle Hill — Advanced Diploma / Diploma: 8.3%
Certificate III & IV 9.0% / 7.1%
Baulkham Hills — Certificate III & IV: 9.0% Castle Hill — Certificate III & IV: 7.1%
Graduate Diploma / Certificate 2.0% / 2.3%
Baulkham Hills — Graduate Diploma / Certificate: 2.0% Castle Hill — Graduate Diploma / Certificate: 2.3%

Bars are drawn against the largest share shown (21.8%).

What people live in

Occupied private dwellings by structure, 2021 Census.

Baulkham Hills 75.4% houses
Baulkham Hills — Houses: 75.4% Baulkham Hills — Flats / Apartments: 11.3% Baulkham Hills — Townhouses: 13.3%
Castle Hill 73.7% houses
Castle Hill — Houses: 73.7% Castle Hill — Flats / Apartments: 15.4% Castle Hill — Townhouses: 10.9%
Houses Flats / Apartments Townhouses

Property market

Baulkham Hills Castle Hill
Median house price $1,955,000 $2,460,000
Median unit price $815,000 $964,000
Median land price $1,410,000 $3,490,000
Typical days to sell (houses) 23 days
from 409 sales
 26 days
from 431 sales

Unit price by bedroom count

Only bed counts both suburbs published enough sales for. Sale counts are shown because the buckets differ in depth.

Baulkham Hills Castle Hill
1 bed $598K / $689K
Baulkham Hills — 1 bed: $598K (9 sales) Castle Hill — 1 bed: $689K (18 sales)

9 vs 18 sales

2 bed $725K / $930K
Baulkham Hills — 2 bed: $725K (73 sales) Castle Hill — 2 bed: $930K (93 sales)

73 vs 93 sales

3 bed $935K / $1.13M
Baulkham Hills — 3 bed: $935K (45 sales) Castle Hill — 3 bed: $1.13M (50 sales)

45 vs 50 sales

House price by bedroom count

Only bed counts both suburbs published enough sales for. Sale counts are shown because the buckets differ in depth.

Baulkham Hills Castle Hill
2 bed $1.16M / $950K
Baulkham Hills — 2 bed: $1.16M (7 sales) Castle Hill — 2 bed: $950K (5 sales)

7 vs 5 sales

3 bed $1.8M / $1.92M
Baulkham Hills — 3 bed: $1.8M (140 sales) Castle Hill — 3 bed: $1.92M (79 sales)

140 vs 79 sales

4 bed $2M / $2.4M
Baulkham Hills — 4 bed: $2M (225 sales) Castle Hill — 4 bed: $2.4M (200 sales)

225 vs 200 sales

5 bed $2.12M / $2.73M
Baulkham Hills — 5 bed: $2.12M (69 sales) Castle Hill — 5 bed: $2.73M (136 sales)

69 vs 136 sales

6 bed $2.25M / $2.89M
Baulkham Hills — 6 bed: $2.25M (21 sales) Castle Hill — 6 bed: $2.89M (29 sales)

21 vs 29 sales

Zoning mix

Baulkham Hills Castle Hill
Residential 82% 68%
Parks and recreation 13% 12%
Environmental 1% 10%
Industrial 0% 7%
Infrastructure and transport 3% 2%
Zoning sets what may be built, not what is there today. A single address can sit in a different zone to the suburb around it. Zones as at 2026-09.

Development activity

Baulkham Hills Castle Hill
New dwellings approved 2,648
across The Hills
same for both
Approvals change year on year -4%
same for both

Gross rental yield

Gross — before strata, rates, management, insurance and vacancy. From median advertised rents and median asking prices over the last 6 months. How we calculate.

Baulkham Hills Castle Hill
Houses 2.7%
$885/wk on $1.68M
 2.9%
$988/wk on $1.8M
Units 4.8%
$650/wk on $704K
 4.7%
$820/wk on $900K

Ranking within NSW

Baulkham Hills Castle Hill
House price Higher than 84% of NSW Higher than 88% of NSW
Income Higher than 88% of NSW Higher than 89% of NSW
Schools Higher than 94% of NSW Higher than 88% of NSW
Walkability Higher than 93% of NSW Higher than 98% of NSW
Affordability Higher than 34% of NSW Higher than 24% of NSW
EV adoption Higher than 96% of NSW Higher than 97% of NSW
NBN connectivity Higher than 89% of NSW Higher than 77% of NSW
Rental yield (houses) Higher than 12% of NSW Higher than 16% of NSW
Rental yield (units) Higher than 57% of NSW Higher than 54% of NSW

Liveability

Castle Hill is more walkable (96 vs 83).

Baulkham Hills Castle Hill
Grade A+ A
Score 88/100 84/100
Socio-economic band very advantaged area
decile 10/10
same for both

Risk profile

Castle Hill carries more bushfire risk (18 vs 0); Castle Hill carries more crime risk (43 vs 26).

Baulkham Hills Castle Hill
Bushfire None
0/100
 Low
18/100
Crime Low
26/100
 Moderate
43/100
Flood Not mapped
no mapped data here
same for both
Coastal erosion None
0/100
same for both
Aircraft noise None
0/100
same for both
Industrial facilities nearby 8
within 5 km
 2
within 5 km

Schools

Baulkham Hills Castle Hill
Inside the suburb 10 13
Rated above peers 7
same for both
Rated at peers 2
same for both
Rated below peers 0 1
Universities within 10 km 2
Western Sydney University - Parramatta, 6.8 km
 2
Western Sydney University - Parramatta, 9.6 km
Full-time students aged 15–24 2.9% 3.6%

Schools in Baulkham Hills

  • Baulkham Hills High School Government · Secondary above peers
  • Baulkham Hills North Public School Government · Primary above peers
  • Crestwood High School Government · Secondary above peers
  • Crestwood Public School Government · Primary above peers
  • Jasper Road Public School Government · Primary above peers
  • Matthew Pearce Public School Government · Primary above peers

Schools in Castle Hill

  • Castle Hill High School Government · Secondary above peers
  • Castle Hill Public School Government · Primary above peers
  • Excelsior Public School Government · Primary above peers
  • Oakhill College Independent · Secondary above peers
  • Oakhill Drive Public School Government · Primary above peers
  • Samuel Gilbert Public School Government · Primary above peers

Amenities in the suburb

Baulkham Hills Castle Hill
Supermarkets 4
same for both
Cafes & restaurants 5 39
Parks & reserves 27 34
Childcare 28 37
GPs 5 13
Pharmacies 4 10
Police stations 0 1
Banks & Bank@Post 3 10
Fuel stations 3 1
EV chargers 0 1
Waterways 17 16

Mobility

Baulkham Hills Castle Hill
Walkability score 83/100 96/100
Distance to Sydney 31.9 km
+1% vs other
 31.5 km
Drive time (normal traffic) 33 min 35 min
Public transport score 79/100
Bus
 94/100
Rail · Bus
Peak arrivals per hour 1220.5
7-9am + 5-7pm
 1508.0
7-9am + 5-7pm
Median peak wait 0 min
scheduled, not actual
same for both
Electric vehicle share 2.6%
postcode 2153
 2.9%
postcode 2154
Rooftop solar per 100 dwellings 44
postcode 2153
 42
postcode 2154

How people get to work

Method of travel on census day 2021 — which fell during COVID restrictions, so working from home is inflated and every travel mode understated.

Baulkham Hills Castle Hill
Worked from Home 53.4% / 55.3%
Baulkham Hills — Worked from Home: 53.4% Castle Hill — Worked from Home: 55.3%
Car (driver) 38.9% / 37.0%
Baulkham Hills — Car (driver): 38.9% Castle Hill — Car (driver): 37.0%
Car (passenger) 2.5% / 2.4%
Baulkham Hills — Car (passenger): 2.5% Castle Hill — Car (passenger): 2.4%
Bus 3.0% / 1.5%
Baulkham Hills — Bus: 3.0% Castle Hill — Bus: 1.5%
Train 1.3% / 2.5%
Baulkham Hills — Train: 1.3% Castle Hill — Train: 2.5%

Bars are drawn against the largest share shown (55.3%).

Setting

Baulkham Hills Castle Hill
Elevation 79 m
above sea level, at the suburb centre
 105 m
above sea level, at the suburb centre
Distance to the ocean 25.2 km 24.6 km

NBN connectivity

Baulkham Hills Castle Hill
Connectivity score 79/100 70/100
Most common technology Hybrid fibre-coaxial
same for both
Full-fibre (FTTP) share 16%
13,559 premises
 9%
18,435 premises

Climate

Baulkham Hills Castle Hill
Annual rainfall 932 mm 1,021 mm
Summer max (Jan) — 28.4°C
Winter min (Jul) — 7.2°C

Air quality (annual mean)

Baulkham Hills Castle Hill
PM2.5 6.1 µg/m³
same for both
PM10 16.9 µg/m³
same for both
NO₂ 0.83 pphm
same for both

Council rates

Baulkham Hills Castle Hill
Average residential rate $1,204/yr
same for both
Council The Hills
same for both

Federal electorate

Baulkham Hills Castle Hill
Division Mitchell
same for both
Member Alex Hawke
same for both
Party Liberal
same for both

First Home Owner Grant

Baulkham Hills Castle Hill
Grant amount $10,000
same for both
Property price cap $600,000
same for both
Eligibility New
same for both

Tags

Baulkham Hills

Multicultural Outer Parks Premium Professionals River

Castle Hill

Easy Commute Multicultural Outer Parks Premium Professionals Transport Hub

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Full data on Baulkham Hills Full data on Castle Hill
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Information shown is provided as-is from Australian government and commercial data sources.
Always verify with the relevant authority before making property decisions.
See Data Sources and How We Calculate for details.

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