Castle Hill - South is well-off — but expensive to rent
Castle Hill - South 2154 · Baulkham Hills, Greater Sydney, NSW
Castle Hill - South is among the more advantaged parts of Australia (SEIFA decile 10 of 10); well served for the everyday — 4 schools and 1 supermarket. The trade-offs: renting is expensive, a median of $850 a week (DCJ, 2026-Q1); the nearest train station is a fair way off (Beecroft, about 5.3 km).
A mix of houses and units, with a median age of 40 and households on a median $2,482 a week at the 2021 Census.
Compiled from ABS regional population (SA2), the 2021 Census, SEIFA 2021, NSW DCJ median rents, NSW DCJ median sale prices, OpenStreetMap and ACARA Schools NSW / NSW Dept of Education · figures current to September 2026.
What it costs to buy
NSW DCJ Rent and Sales Report · 2025-Q4Median sale price from the NSW Department of Communities and Justice's recorded property sales. Compare year-on-year — quarter-to-quarter moves are mostly seasonal noise.
By dwelling type — 2025-Q4 quarter
| Type | Median sale price |
|---|---|
| House | $2,650,000n=115 |
| Unit / flat | $1,080,000n=72 |
The median sale price across all dwellings in Castle Hill - South was $2,050,000, based on sales in postcode 2154, for the 2025-Q4 quarter. That is $850,000 above the Greater Sydney median. By type: a house $2,650,000 and a unit / flat $1,080,000.
This is the median price of properties recorded as sold this quarter — settlement can lag a purchase decision by weeks, so the most recent quarter can revise slightly as more sales are recorded.
Show every quarter, with the year-on-year change
| Quarter | Median price | Year on year | Greater Sydney |
|---|---|---|---|
| 2025-Q4 | $2,050,000 | — | $1,200,000 |
Sale price data © NSW Department of Communities and Justice, Rent and Sales Report, based on sales in postcode 2154, December 2025 release. Figures are the median for properties sold in the quarter. DCJ suppresses a median where too few properties sold.
What it costs to rent
NSW DCJ Rent and Sales Report · 2026-Q1Median weekly rent for new tenancies, from the NSW Department of Communities and Justice's bond lodgements. Compare year-on-year — quarter-to-quarter moves are mostly seasonal noise.
By dwelling type — 2026-Q1 quarter
| Type | Studio | 1 bed | 2 bed | 3 bed | 4+ bed |
|---|---|---|---|---|---|
| House | — | — | $740low sample | $870n=33 | $1,165n=74 |
| Townhouse | — | — | — | $900low sample | — |
| Unit / flat | — | $690low sample | $780n=85 | $900low sample | — |
n is the number of new bonds behind each median — treat a figure marked low sample as indicative only.
The median weekly rent across all dwellings in Castle Hill - South was $850, based on new bonds lodged in postcode 2154, for the 2026-Q1 quarter. That is $70 a week above the Greater Sydney median. By type: a 3-bedroom house $870 and a 2-bedroom unit $780.
This is the median rent on new leases signed this quarter, not what existing tenants pay. It usually runs higher than the Census figure.
Show every quarter, with the year-on-year change
| Quarter | Median rent | Year on year | Greater Sydney |
|---|---|---|---|
| 2026-Q1 | $850 | — | $930 |
Rent data © NSW Department of Communities and Justice, Rent and Sales Report, based on new bonds in postcode 2154, March 2026 release. Figures are the median for new bonds lodged in the quarter, not all tenancies. DCJ suppresses a median where too few bonds were lodged.
Castle Hill - South on the map
The Australian Bureau of Statistics Statistical Area 2 outline for Castle Hill - South, NSW.
Map tiles © OpenStreetMap contributors. Boundary: ABS SA2 (ASGS 2021), simplified — an SA2 can differ from the gazetted suburb, and detached parts such as islands may not all be shown.
How the population has changed
Castle Hill - South against the New South Wales average, both set to 100 in the first year shown so the growth rates compare.
Castle Hill - South population grew from 9,943 in 2016 to 10,965 in 2025, a change of 10.3% over the period, against the New South Wales average.
Show the data table
| Year | Castle Hill - South | New South Wales average |
|---|---|---|
| 2016 | 9,943 | 7,732,858 |
| 2017 | 10,036 | 7,855,316 |
| 2018 | 10,107 | 7,954,476 |
| 2019 | 10,382 | 8,046,748 |
| 2020 | 10,480 | 8,110,610 |
| 2021 | 10,439 | 8,097,062 |
| 2022 | 10,428 | 8,182,098 |
| 2023 | 10,625 | 8,356,387 |
| 2024 | 10,809 | 8,492,050 |
| 2025 | 10,965 | 8,592,524 |
Where the growth is coming from
Castle Hill - South gained 913 residents from internal migration and 312 from overseas in the year to June 2025, while 1,111 people moved away — a net addition of 114 before natural increase.
- Internal migration in+913
- Internal migration out+963
- Overseas migration in+312
- Natural increase+42
Components of population change over the sample year. Natural increase is shown apart from migration so the two are not read as one figure.
How it has changed
Census · five-yearlyThe 2016 Census against 2021. Older figures are mapped onto today's boundaries via the ABS Time Series Profile, so comparisons are approximate where borders moved.
| Measure | 2016 | 2021 | Change |
|---|---|---|---|
| Population | 9,519 | 10,419 | +9.5% |
| Median age | 39 | 40 | +1 yr |
| Median household income | $2,175/wk | $2,482/wk | +14% |
| Median weekly rent | $550/wk | $550/wk | +0.0% |
| Born overseas | 40.1% | 46.7% | +6.6 pts |
Who lives here
Census · five-yearlyFrom the 2021 Census — the most recent available; 2026 Census data isn't expected until mid-2027. Each figure carries its definition, so you know what is being counted.
People
Income
Housing
Work
Household
Country of birth
Language at home
How homes are held
- Owned outright 33.1%
- Mortgaged 35.4%
- Rented 29.6%
- Other / not stated 1.9%
How well-off the area is
Census · five-yearlyThe ABS SEIFA indexes rank every area by relative advantage and disadvantage. Decile 1 is the lowest tenth of Australia; decile 10 is the highest.
- Relative disadvantage (IRSD)Lower decile means more relative disadvantageDecile 9score 1,082
- Advantage & disadvantage (IRSAD)Higher decile means more relative advantageDecile 10score 1,124
- Economic resources (IER)Income and housing capacityDecile 9score 1,085
- Education & occupation (IEO)Education and occupational skill levelsDecile 9score 1,120
Getting around, and what's nearby
OpenStreetMap · quarterlyWhat OpenStreetMap records inside the suburb boundary. Counts reflect what is tagged in OSM and can undercount a real but less-mapped area. The park count here is OpenStreetMap green space of any kind, including privately held land — it is a different measure from the council parks below.
Within the Castle Hill - South SA2, OpenStreetMap records 4 schools, 3 childcare and kindergarten centres, 5 GP or clinic locations, 1 supermarket and 13 green spaces. For families: 7 playgrounds. Eating out and socialising: 2 cafés, 9 restaurants and 1 pub or bar. Staying active: 1 gym and 6 sports fields. Also 2 shopping centres. The nearest train station, Beecroft, is about 5,300 m from the suburb centre. OpenStreetMap also maps 38 bus stops here.
List every mapped place
Schools
- Smart College
- CS education university Castle Hill
- CS education Castle Hill
- St Bernadette's Primary School
Childcare & kindergartens
- Excelsior Avenue Long Day Care
- Heritage House
Gyms & fitness
- Anytime Fitness
Shopping centres
- Castle Mall
- TK Maxx
GPs & clinics
- The Hills Community Health Centre
- Hills Spinal Health
- Castle Hill Medical Centre
Supermarkets
- Tong Li Asian Supermarket Castle Hill
Green spaces
- Greenup Park
- Somerset Reserve
- Castlewood Community Reserve
Schools
Every open NSW school whose campus sits inside the SA2 boundary, with the average ICSEA across them. Open a school for its own ICSEA, student background and a link to My School.
The Castle Hill - South SA2 contains 3 schools — 2 primary schools and 1 secondary school, all non-government. NAPLAN results for each school are on its My School profile (ACARA). For area context, Castle Hill - South sits in decile 9 of the ABS SEIFA index of education and occupation nationally and 81% of adults here completed Year 12 (Census 2021).
The centre of this SA2 is zoned for Castle Hill Public School (primary), Castle Hill High School (secondary).
Parts of this SA2 also fall in the catchment of Murray Farm Public School (primary), Excelsior Public School (primary), Oakhill Drive Public School (primary), Crestwood High School (secondary), Muirfield High School (secondary).
Catchments can divide a suburb — confirm your address on EdMap.
Want another suburb? Search the catchment finder.
Show school list
- Hills Adventist College, Castle Hill Campus · Non-Government
- St Bernadette's Primary School · Non-Government
- Redeemer Baptist School, Castle Hill campus · Non-Government
School list: NSW Government open data — ACARA Schools NSW, via the NSW data portal, CC BY 4.0. Catchments: NSW Department of Education “School intake zones” dataset, CC BY 4.0. ICSEA: ACARA School Profile. NAPLAN: myschool.edu.au (ACARA).
Nearby, in Baulkham Hills
Others in the same ABS district, by population growth. If this one doesn't fit, one of these might.
- HereCastle Hill - South+1.4%
- 01Castle Hill - Central+6.1%
- 02Castle Hill - North+3.1%
- 03Kellyville - West+2.9%
- 04Baulkham Hills (West) - Bella Vista+1.0%
- 05Cherrybrook+0.5%
- 06Baulkham Hills - East+0.5%
- 07Castle Hill - West+0.1%
- 08West Pennant Hills+0.1%
- 09Glenhaven-0.3%
- 10Kellyville - East-0.7%
- 11Castle Hill - East-1.4%
Dots place each suburb's growth on the same scale, slowest at left.
Castle Hill - South: common questions
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