Castle Hill - Central is one of Sydney's fastest-growing suburbs — but expensive to rent
Castle Hill - Central 2154 · Baulkham Hills, Greater Sydney, NSW
Castle Hill - Central is 11th fastest-growing of 336 Greater Sydney suburbs; among the more advantaged parts of Australia (SEIFA decile 10 of 10). The trade-offs: renting is expensive, a median of $850 a week (DCJ, 2026-Q1); the nearest train station is a fair way off (Seven Hills, about 6.6 km).
A mix of houses and units, with a median age of 40 and households on a median $2,361 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 - Central 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 - Central 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 - Central on the map
The Australian Bureau of Statistics Statistical Area 2 outline for Castle Hill - Central, 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 - Central against the New South Wales average, both set to 100 in the first year shown so the growth rates compare.
Castle Hill - Central population grew from 7,832 in 2016 to 8,845 in 2025, a change of 12.9% over the period, against the New South Wales average.
Show the data table
| Year | Castle Hill - Central | New South Wales average |
|---|---|---|
| 2016 | 7,832 | 7,732,858 |
| 2017 | 7,908 | 7,855,316 |
| 2018 | 7,925 | 7,954,476 |
| 2019 | 7,948 | 8,046,748 |
| 2020 | 7,870 | 8,110,610 |
| 2021 | 7,688 | 8,097,062 |
| 2022 | 7,599 | 8,182,098 |
| 2023 | 7,719 | 8,356,387 |
| 2024 | 8,333 | 8,492,050 |
| 2025 | 8,845 | 8,592,524 |
Where the growth is coming from
Castle Hill - Central gained 1,181 residents from internal migration and 240 from overseas in the year to June 2025, while 970 people moved away — a net addition of 451 before natural increase.
- Internal migration in+1,181
- Internal migration out+857
- Overseas migration in+240
- Natural increase+61
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 | 7,609 | 7,677 | +0.9% |
| Median age | 38 | 40 | +2 yrs |
| Median household income | $2,076/wk | $2,361/wk | +14% |
| Median weekly rent | $550/wk | $550/wk | +0.0% |
| Born overseas | 41.3% | 46.5% | +5.1 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 32.3%
- Mortgaged 35.3%
- Rented 31.0%
- Other / not stated 1.4%
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 1,079
- Advantage & disadvantage (IRSAD)Higher decile means more relative advantageDecile 10score 1,115
- Economic resources (IER)Income and housing capacityDecile 9score 1,067
- Education & occupation (IEO)Education and occupational skill levelsDecile 9score 1,111
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 - Central SA2, OpenStreetMap records 3 schools, 2 childcare and kindergarten centres and 4 green spaces. For families: 5 playgrounds. Eating out and socialising: 2 cafés and 1 pub or bar. Staying active: 1 gym and 10 sports fields. Also 3 shopping centres. The nearest train station, Seven Hills, is about 6,600 m from the suburb centre. OpenStreetMap also maps 56 bus stops here.
List every mapped place
Schools
- Excelsior Public School
- Gilroy College
- St Gabriel's School for Hearing Impaired Children
Childcare & kindergartens
- Keen Kiddies Early Learning Centre
Gyms & fitness
- World Gym
Shopping centres
- HomeCo Castle Hill South
- HomeCo Castle Hill North
- Harvey Norman
Green spaces
- Cockayne Reserve
- Coolong 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 - Central SA2 contains 4 schools — 1 primary school, 1 secondary school and 2 special schools, of which 1 is government and 3 non-government. Its 3 schools with a published ICSEA average 1105 (1000 is the national average); each school's own figure and student background are on its page. NAPLAN results for each school are on its My School profile (ACARA). For area context, Castle Hill - Central sits in decile 9 of the ABS SEIFA index of education and occupation nationally and 80% of adults here completed Year 12 (Census 2021).
The centre of this SA2 is zoned for Excelsior Public School (primary), Crestwood High School (secondary).
Parts of this SA2 also fall in the catchment of Castle Hill Public School (primary), Sherwood Ridge Public School (primary), Crestwood Public School (primary), Samuel Gilbert Public School (primary), Castle Hill High School (secondary), Kellyville 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
- Excelsior Public School · State
- Gilroy Catholic College · Non-Government
- Aspect Western Sydney School, Castle Hill · Non-Government
- St Gabriel's School for students with special needs · 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 - Central+6.1%
- 01Castle Hill - North+3.1%
- 02Kellyville - West+2.9%
- 03Castle Hill - South+1.4%
- 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 - Central: common questions
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