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Castle Hill - South vs North Rocks

Name: Castle Hill - South vs North Rocks — 2021 Census comparison
Creator: Australian Bureau of Statistics
License: https://creativecommons.org/licenses/by/4.0/

Statistical Area 2 (SA2) comparison ≈ 3.3 km apart · Castle Hill - South profile · North Rocks profile

Castle Hill - South North Rocks

Castle Hill - South and North Rocks are neighbouring areas with distinct layouts. Castle Hill - South is more walkable, with 81.9% of homes within a 15-minute walk of health services compared to 37.2% in North Rocks. It also has a higher share of renters (29.6% vs 17.9%) and more people born overseas (45.6% vs 39.8%). In contrast, North Rocks has a stronger focus on larger family homes, where 90.7% of dwellings have three or more bedrooms compared to 77.2% in Castle Hill - South. It also provides more local education options, with three schools compared to just one in Castle Hill - South.

Since 2011, the two areas have drifted apart in several ways. The gap in rental rates and the share of overseas-born residents have both widened, while the difference in the number of large homes has also grown. Despite these shifts, they remain very similar in other respects, such as their typical weekly household incomes—$2,482 in Castle Hill - South and $2,399 in North Rocks—and the share of children under 15, which sits around 20% for both.

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Where they differ most

Separate houses: 15.1 pts higher in North Rocks People / bedroom: 0.10 higher in Castle Hill - South 3+ bedrooms: 13.5 pts higher in North Rocks Renting: 11.7 pts higher in Castle Hill - South Recent arrivals: 7.9 pts higher in Castle Hill - South

Demographics & Identity

Population in Castle Hill - South in North Rocks +1,968 larger in Castle Hill - South gap widening

10,419 55th pct 8,451 43rd pct

Median age in Castle Hill - South in North Rocks +1 yrs older in North Rocks gap narrowing

40 yrs 52nd pct 41 yrs 57th pct

Age structure

25.0% Older adults (45–64) +1.2 pts ▸ 26.2%

26.1% Young adults (25–44) ◂ +2.3 pts 23.8%

19.5% Children (0–14) +0.3 pts ▸ 19.9%

17.1% Seniors (65+) +1.9 pts ▸ 19.0%

11.9% Youth (15–24) ◂ +0.7 pts 11.2%

Marital status

60.2% Married +1.2 pts ▸ 61.4%

27.5% Never married ◂ +1.1 pts 26.4%

6.1% Divorced ◂ +0.1 pts 5.9%

3.9% Widowed +0.8 pts ▸ 4.7%

2.2% Separated ◂ +0.5 pts 1.7%

Age & sex structure

Castle Hill - South North Rocks

Bars show the share of each area's own population, so differently sized areas stay comparable.

Ancestry & Birthplace

Country of birth

52.0% Australia +5.8 pts ▸ 57.8%

10.3% China +0.9 pts ▸ 11.2%

6.0% India ◂ +3.1 pts 2.9%

2.5% England ◂ +0.3 pts 2.3%

1.5% South Africa ◂ +1.2 pts 0.3%

1.4% Philippines ◂ +0.8 pts 0.7%

1.4% New Zealand ◂ +0.1 pts 1.2%

0.8% Vietnam even 0.8%

0.5% Italy even 0.5%

0.3% Nepal ◂ +0.1 pts 0.2%

Ancestry

20.6% Chinese +2.4 pts ▸ 23.0%

21.0% English +1.3 pts ▸ 22.3%

20.0% Australian +2.2 pts ▸ 22.2%

7.6% Irish ◂ +0.3 pts 7.3%

7.3% Indian ◂ +2.9 pts 4.4%

6.2% Scottish +0.7 pts ▸ 7.0%

3.6% Italian even 3.6%

2.3% German ◂ +0.3 pts 2.0%

2.3% Filipino ◂ +1.3 pts 1.0%

1.2% Greek +0.5 pts ▸ 1.7%

1.2% Dutch ◂ +0.4 pts 0.8%

1.1% Vietnamese ◂ +0.1 pts 1.1%

Language

Language used at home

53.1% English only +3.0 pts ▸ 56.0%

11.9% Mandarin +0.8 pts ▸ 12.7%

5.0% Cantonese +1.0 pts ▸ 6.0%

2.2% Hindi ◂ +0.6 pts 1.6%

1.6% Arabic +0.5 pts ▸ 2.1%

0.9% Vietnamese ◂ +0.1 pts 0.8%

0.4% Greek +0.4 pts ▸ 0.8%

0.7% Punjabi ◂ +0.4 pts 0.3%

0.6% Italian even 0.7%

0.6% Tagalog ◂ +0.5 pts 0.1%

Religion

Religious affiliation

48.0% Christianity +2.8 pts ▸ 50.8%

32.3% No religion +1.3 pts ▸ 33.6%

6.2% Hinduism ◂ +2.1 pts 4.1%

4.4% Not stated ◂ +0.1 pts 4.3%

4.0% Buddhism ◂ +0.3 pts 3.6%

3.6% Islam ◂ +0.8 pts 2.8%

1.3% Other religions ◂ +0.5 pts 0.8%

0.2% Judaism even 0.1%

Education & Qualifications

Schools in Castle Hill - South in North Rocks +2 more in North Rocks

1 0th pct 3 43rd pct

Schools/1k kids in Castle Hill - South in North Rocks +1.29 more in North Rocks

0.49 0th pct 1.79 41st pct

Schools ≤3 km in Castle Hill - South in North Rocks +32 more in North Rocks

27 64th pct 59 91st pct

Students in Castle Hill - South in North Rocks +1,497 more in North Rocks

479 16th pct 1,976 62nd pct

Avg size in Castle Hill - South in North Rocks +180 larger in North Rocks

479 58th pct 659 76th pct

ICSEA in Castle Hill - South in North Rocks +36 higher in Castle Hill - South

1,145 95th pct 1,109 86th pct

Highest year of school

78.4% Year 12 ◂ +3.4 pts 75.0%

11.2% Year 10 +2.2 pts ▸ 13.3%

4.1% Year 9 or below +1.2 pts ▸ 5.3%

3.2% Year 11 even 3.2%

Highest qualification level

38.4% Bachelor degree ◂ +1.7 pts 36.7%

19.5% Postgraduate degree ◂ +2.9 pts 16.6%

14.4% Advanced diploma / diploma +1.1 pts ▸ 15.5%

12.9% Certificate III / IV +2.5 pts ▸ 15.3%

4.1% Graduate diploma / certificate even 4.1%

1.2% Certificate I / II even 1.2%

Field of qualification

28.3% Management & commerce ◂ +1.8 pts 26.5%

13.2% Engineering & related +1.6 pts ▸ 14.9%

10.9% Society & culture ◂ +0.6 pts 10.3%

9.5% Health even 9.5%

8.2% Education +0.3 pts ▸ 8.5%

7.1% Information technology ◂ +1.5 pts 5.6%

3.5% Architecture & building +1.1 pts ▸ 4.6%

4.4% Natural & physical sciences ◂ +0.2 pts 4.2%

4.0% Creative arts +0.2 pts ▸ 4.2%

3.0% Food, hospitality & personal services even 3.0%

0.7% Agriculture & environment +0.4 pts ▸ 1.2%

Income

Personal income in Castle Hill - South in North Rocks +$61 higher in Castle Hill - South gap widening

$978 75th pct $917 69th pct

Household income in Castle Hill - South in North Rocks +$83 higher in Castle Hill - South gap widening

$2,482 88th pct $2,399 87th pct

Family income in Castle Hill - South in North Rocks +$107 higher in Castle Hill - South gap widening

$2,712 82nd pct $2,605 78th pct

Household income distribution

28.6% $1,500–$2,999 +0.4 pts ▸ 29.0%

25.2% $4,000 or more ◂ +2.1 pts 23.2%

18.0% $650–$1,499 +1.6 pts ▸ 19.6%

13.8% $3,000–$3,999 +0.8 pts ▸ 14.6%

8.9% Under $650 +0.5 pts ▸ 9.5%

Personal income distribution

37.4% Under $650 +1.5 pts ▸ 38.9%

26.1% $650–$1,499 +1.5 pts ▸ 27.6%

23.8% $1,500–$2,999 ◂ +1.0 pts 22.8%

9.1% $3,000 or more ◂ +1.7 pts 7.4%

Health & Disability

Long-term health conditions reported

7.5% Other condition +0.4 pts ▸ 7.9%

6.1% Arthritis +1.7 pts ▸ 7.8%

6.1% Asthma +0.8 pts ▸ 6.9%

4.9% Mental health +0.7 pts ▸ 5.5%

4.0% Diabetes +0.5 pts ▸ 4.5%

3.6% Heart disease +0.3 pts ▸ 3.8%

2.6% Cancer +0.4 pts ▸ 3.1%

0.3% Dementia +0.6 pts ▸ 1.0%

0.9% Lung condition +0.1 pts ▸ 1.0%

0.7% Stroke even 0.7%

Number of long-term health conditions

73.2% None ◂ +2.5 pts 70.7%

16.4% One condition +1.2 pts ▸ 17.6%

4.1% Two conditions +0.6 pts ▸ 4.7%

1.6% Three or more +0.9 pts ▸ 2.4%

Community Participation

First Nations

First Nations people in Castle Hill - South in North Rocks +12 larger in Castle Hill - South

48 15th pct 36 11th pct

Median age in Castle Hill - South in North Rocks +5 yrs older in North Rocks

21 yrs 21st pct 26 yrs 64th pct

Median income in Castle Hill - South in North Rocks +$519 higher in North Rocks

$762 71st pct $1,281 97th pct

Household income in Castle Hill - South in North Rocks +$412 higher in Castle Hill - South

$2,562 88th pct $2,150 75th pct

Family & Households

Household size in Castle Hill - South in North Rocks +0.1 larger in North Rocks gap steady

2.9 86th pct 3.0 89th pct

Family composition

66.8% Couples with children +2.4 pts ▸ 69.2%

22.4% Couples without children ◂ +1.0 pts 21.3%

10.0% One-parent families ◂ +0.9 pts 9.1%

1.0% Other families ◂ +0.5 pts 0.5%

Household size

30.8% 2 people ◂ +0.4 pts 30.4%

21.8% 4 people +2.3 pts ▸ 24.1%

20.9% 3 people ◂ +2.8 pts 18.1%

14.0% 1 person ◂ +0.1 pts 13.9%

8.3% 5 people +1.0 pts ▸ 9.3%

4.1% 6 or more ◂ +0.1 pts 3.9%

Housing & Dwellings

Rent in Castle Hill - South in North Rocks even gap steady

$550 93rd pct $550 93rd pct

Mortgage in Castle Hill - South in North Rocks +$55 higher in Castle Hill - South gap narrowing

$3,000 96th pct $2,945 95th pct

People / bedroom in Castle Hill - South in North Rocks +0.10 higher in Castle Hill - South gap steady

0.90 86th pct 0.80 29th pct

How homes are owned or rented

35.4% Owned with a mortgage +6.0 pts ▸ 41.4%

33.1% Owned outright +6.1 pts ▸ 39.3%

29.6% Rented ◂ +11.7 pts 17.9%

1.0% Not stated ◂ +0.5 pts 0.5%

0.9% Other tenure +0.1 pts ▸ 1.0%

Types of homes

71.0% Separate house +15.1 pts ▸ 86.1%

21.9% Flat or apartment ◂ +16.5 pts 5.4%

7.2% Townhouse / semi-detached +1.4 pts ▸ 8.6%

0.0% Other dwelling even 0.0%

Bedrooms per home

32.8% 4 bedrooms +7.5 pts ▸ 40.2%

27.4% 3 bedrooms +8.3 pts ▸ 35.7%

18.2% 2 bedrooms ◂ +11.6 pts 6.6%

17.1% 5 or more ◂ +2.3 pts 14.8%

3.4% 1 bedroom ◂ +1.3 pts 2.1%

0.0% Studio / none +0.1 pts ▸ 0.1%

Weekly rent distribution

44.7% $350–$549 ◂ +3.0 pts 41.8%

42.1% $550–$749 +0.9 pts ▸ 43.0%

6.8% $750 or more +0.3 pts ▸ 7.1%

2.3% $200–$349 +2.0 pts ▸ 4.3%

1.3% Under $200 ◂ +1.3 pts 0.0%

Monthly mortgage distribution

47.2% $3,000 or more ◂ +0.7 pts 46.5%

20.4% $1,800–$2,999 +4.5 pts ▸ 24.9%

12.1% $1,000–$1,799 +0.7 pts ▸ 12.9%

11.9% Under $1,000 ◂ +2.4 pts 9.5%

Transport & Vehicles

PT stops in Castle Hill - South in North Rocks +22 more in North Rocks

36 46th pct 58 65th pct

Stops/1k in Castle Hill - South in North Rocks +3.41 more in North Rocks

3.46 37th pct 6.86 81st pct

Departures/1k in Castle Hill - South in North Rocks +329.6 more in North Rocks

1,903.7 82nd pct 2,233.3 86th pct

PT routes in Castle Hill - South in North Rocks +3 more in Castle Hill - South

15 78th pct 12 71st pct

Stop walk in Castle Hill - South in North Rocks +6 longer in North Rocks

10 71st pct 16 76th pct

Drive to city in Castle Hill - South in North Rocks +3 longer in Castle Hill - South

27 54th pct 24 48th pct

Reach 30 min in Castle Hill - South in North Rocks +1,968 more in Castle Hill - South

10,419 31st pct 8,451 23rd pct

Reach 45 min in Castle Hill - South in North Rocks +70,825 more in Castle Hill - South

79,276 65th pct 8,451 13th pct

Transit to city in Castle Hill - South in North Rocks +1 longer in North Rocks

68 68th pct 69 70th pct

How people get to work

47.4% Worked at home ◂ +1.9 pts 45.6%

30.6% Car (driver) +1.7 pts ▸ 32.3%

2.1% Car (passenger) +0.3 pts ▸ 2.4%

1.6% Train ◂ +1.4 pts 0.2%

1.6% Walked ◂ +0.8 pts 0.8%

1.2% Bus ◂ +0.1 pts 1.1%

0.1% Bicycle +0.1 pts ▸ 0.2%

Motor vehicles per home

39.9% 2 vehicles +7.9 pts ▸ 47.8%

36.3% 1 vehicle ◂ +8.1 pts 28.1%

12.2% 3 vehicles +3.0 pts ▸ 15.2%

7.0% 4 or more ◂ +0.3 pts 6.7%

4.7% No vehicle ◂ +2.5 pts 2.2%

Migration & Movement

Jobs & Industry

Industries people work in

12.5% Health care & social assistance +1.6 pts ▸ 14.1%

13.3% Professional & technical ◂ +2.0 pts 11.3%

10.1% Education & training +1.2 pts ▸ 11.3%

10.1% Retail trade ◂ +1.1 pts 9.0%

8.6% Finance & insurance ◂ +1.6 pts 7.0%

8.0% Construction ◂ +0.3 pts 7.7%

5.2% Manufacturing +0.8 pts ▸ 6.0%

4.2% Public administration & safety +0.7 pts ▸ 4.8%

4.4% Wholesale trade +0.2 pts ▸ 4.5%

4.1% Accommodation & food ◂ +0.1 pts 4.0%

2.6% Transport & warehousing +0.7 pts ▸ 3.4%

3.0% Other services +0.2 pts ▸ 3.2%

Occupations people work in

35.7% Professionals ◂ +2.1 pts 33.6%

17.9% Managers ◂ +1.0 pts 16.9%

14.1% Clerical & administrative +0.7 pts ▸ 14.8%

8.6% Technicians & trades +1.8 pts ▸ 10.4%

8.6% Sales workers ◂ +1.0 pts 7.6%

6.8% Community & personal service +0.7 pts ▸ 7.5%

4.5% Labourers +0.2 pts ▸ 4.7%

2.2% Machinery operators & drivers +0.5 pts ▸ 2.7%

Economy & Advantage

IRSAD decile in Castle Hill - South in North Rocks even

10 100th pct 10 100th pct

IRSD decile in Castle Hill - South in North Rocks +1 higher in North Rocks

9 86th pct 10 100th pct

IER decile in Castle Hill - South in North Rocks +1 higher in North Rocks

9 86th pct 10 100th pct

IEO decile in Castle Hill - South in North Rocks even

9 86th pct 9 86th pct

IRSAD score in Castle Hill - South in North Rocks +4 higher in Castle Hill - South

1,124 92nd pct 1,120 91st pct

ERP in Castle Hill - South in North Rocks +2,201 higher in Castle Hill - South

10,965 53rd pct 8,764 41st pct

Growth in Castle Hill - South in North Rocks +1.6 pts higher in Castle Hill - South

5.0% 55th pct 3.5% 40th pct

Businesses in Castle Hill - South in North Rocks +58 higher in Castle Hill - South

1,194 65th pct 1,136 62nd pct

Environment & Climate

Rainfall in Castle Hill - South in North Rocks even

1,139 71st pct 1,139 71st pct

Max temp in Castle Hill - South in North Rocks even

24.2 55th pct 24.2 55th pct

Min temp in Castle Hill - South in North Rocks even

11.6 47th pct 11.6 47th pct

Walkability

Walk score in Castle Hill - South in North Rocks +1.5 higher in Castle Hill - South

6.9 73rd pct 5.5 51st pct

Types ≤15 min in Castle Hill - South in North Rocks +0.8 more in Castle Hill - South

6.2 64th pct 5.4 52nd pct

15-min city in Castle Hill - South in North Rocks +17.3 pts higher in Castle Hill - South

79.7% 62nd pct 62.4% 48th pct

Walk to shops in Castle Hill - South in North Rocks +12.0 pts higher in Castle Hill - South

57.3% 45th pct 45.4% 34th pct

Walk to transit in Castle Hill - South in North Rocks +2.7 pts higher in Castle Hill - South

97.7% 65th pct 95.0% 56th pct

Walk to school in Castle Hill - South in North Rocks +6.0 pts higher in Castle Hill - South

78.1% 54th pct 72.1% 48th pct

Walk to a park in Castle Hill - South in North Rocks +2.7 pts higher in Castle Hill - South

100.0% 100th pct 97.3% 50th pct

Walk to health in Castle Hill - South in North Rocks +44.7 pts higher in Castle Hill - South

81.9% 78th pct 37.2% 42nd pct

Amenities/1k in Castle Hill - South in North Rocks +28.2 more in Castle Hill - South

39.4 86th pct 11.2 32nd pct

Intersections/km² in Castle Hill - South in North Rocks +26 higher in Castle Hill - South

114 54th pct 88 49th pct

Mean slope in Castle Hill - South in North Rocks +0.1 pts higher in Castle Hill - South

7.9% 80th pct 7.8% 80th pct

Compare Castle Hill - South with nearby areas

Castle Hill - Central Castle Hill - North West Pennant Hills Castle Hill - East Baulkham Hills - East North Rocks Glenhaven Castle Hill - West

Compare North Rocks with nearby areas

Carlingford - West West Pennant Hills Baulkham Hills - East Oatlands - Dundas Valley Castle Hill - South Northmead North Parramatta Carlingford - East

Cite this page

Australian Bureau of Statistics. (2021). Castle Hill - South vs North Rocks [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/compare/sa2/115011556/castle-hill-south/vs/125041490/north-rocks