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Castlecrag vs Northbridge

Suburb / Locality comparison ≈ 1.1 km apart · Castlecrag profile · Northbridge profile

Castlecrag Northbridge

Northbridge (NSW) and Castlecrag are neighbouring areas with very different layouts. Northbridge (NSW) is very walkable and has a high number of apartments, with many homes within a 15-minute walk of groceries (76.4%) and schools (97.6%). In contrast, Castlecrag is more car-dependent and dominated by separate houses (97.4%), with far more homes containing three or more bedrooms (91.8%). Castlecrag also has a noticeably older population, with a typical age of 47 compared to 44 in Northbridge (NSW).

Both areas share a very similar typical weekly family income of around $4,700 to $4,800. They also track closely in terms of household size, with about three people per home in both places. While they share these patterns, some gaps are wide; for example, typical weekly rents are well higher in Castlecrag by $270. Northbridge (NSW) also has far more public transport stops, with 30 compared to 15 in Castlecrag.

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Where they differ most

Population: 3,528 larger in Northbridge Separate houses: 23.2 pts higher in Castlecrag 3+ bedrooms: 12.9 pts higher in Castlecrag Renting: 8.8 pts higher in Northbridge Living alone: 7.4 pts higher in Northbridge

Demographics & Identity

Population in Castlecragin Northbridge +3,528 larger in Northbridge gap widening
2,965 84th pct 6,493 86th pct
Median age in Castlecragin Northbridge +3 yrs older in Castlecrag gap widening
47 yrs 57th pct 44 yrs 46th pct
First Nations in Castlecragin Northbridge +0.2 pts higher in Northbridge gap steady
0.1% 30th pct 0.3% 32nd pct
Aged 65+ in Castlecragin Northbridge +1.4 pts higher in Northbridge gap widening
19.3% 53rd pct 20.7% 59th pct
Under 15 in Castlecragin Northbridge +2.2 pts higher in Northbridge gap widening
18.2% 58th pct 20.4% 72nd pct
De facto in Castlecragin Northbridge +0.5 pts higher in Northbridge gap steady
5.5% 12th pct 6.0% 13th pct

Age structure

34.0% Older adults (45–64) ◂ +4.9 pts 29.0%
19.3% Seniors (65+) +1.4 pts ▸ 20.7%
18.2% Children (0–14) +2.2 pts ▸ 20.4%
13.2% Young adults (25–44) +4.2 pts ▸ 17.4%
15.9% Youth (15–24) ◂ +3.5 pts 12.3%

Marital status

61.3% Married ◂ +1.6 pts 59.6%
28.9% Never married ◂ +1.9 pts 27.0%
3.6% Widowed +2.2 pts ▸ 5.8%
4.6% Divorced +1.1 pts ▸ 5.7%
1.3% Separated +0.5 pts ▸ 1.8%

Age & sex structure

Castlecrag Northbridge

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

Ancestry & Birthplace

Born overseas in Castlecragin Northbridge +2.1 pts higher in Castlecrag gap steady
31.9% 90th pct 29.8% 89th pct

Country of birth

66.1% Australia +1.3 pts ▸ 67.4%
5.9% England ◂ +1.2 pts 4.8%
3.4% China +0.4 pts ▸ 3.9%
1.9% New Zealand even 1.8%
1.6% South Africa ◂ +0.5 pts 1.1%
0.9% India ◂ +0.2 pts 0.7%
0.3% Italy +0.1 pts ▸ 0.4%
0.4% Philippines ◂ +0.2 pts 0.2%
0.4% Vietnam ◂ +0.1 pts 0.3%
0.0% Nepal +0.1 pts ▸ 0.1%

Ancestry

36.5% English ◂ +2.4 pts 34.0%
27.4% Australian +1.1 pts ▸ 28.5%
13.7% Irish ◂ +0.1 pts 13.6%
12.7% Chinese ◂ +0.2 pts 12.6%
12.0% Scottish ◂ +1.7 pts 10.3%
4.7% German ◂ +1.5 pts 3.2%
3.6% Italian +0.2 pts ▸ 3.8%
2.2% Greek +0.5 pts ▸ 2.6%
1.4% Indian +0.2 pts ▸ 1.5%
1.4% Dutch ◂ +0.1 pts 1.3%
0.6% Vietnamese ◂ +0.1 pts 0.5%
0.6% Filipino ◂ +0.2 pts 0.4%

Language

Other language in Castlecragin Northbridge +1.4 pts higher in Northbridge gap widening
18.9% 86th pct 20.3% 87th pct
Limited English in Castlecragin Northbridge +0.6 pts higher in Northbridge gap steady
1.7% 83rd pct 2.3% 86th pct

Language used at home

78.9% English only ◂ +2.3 pts 76.5%
4.3% Mandarin +0.2 pts ▸ 4.5%
4.1% Cantonese ◂ +0.4 pts 3.7%
0.5% Greek +0.9 pts ▸ 1.4%
0.6% Italian +0.1 pts ▸ 0.7%
0.4% Arabic even 0.3%
0.2% Hindi even 0.3%
0.1% Vietnamese even 0.2%
0.1% Tagalog ◂ +0.1 pts 0.0%
0.0% Punjabi +0.1 pts ▸ 0.1%

Religion

No religion in Castlecragin Northbridge +6.0 pts higher in Castlecrag gap widening
43.9% 61st pct 37.9% 41st pct

Religious affiliation

46.7% Christianity +4.9 pts ▸ 51.6%
43.9% No religion ◂ +6.0 pts 37.9%
4.4% Not stated +0.8 pts ▸ 5.2%
2.4% Judaism ◂ +0.9 pts 1.5%
1.5% Buddhism +0.8 pts ▸ 2.3%
0.5% Hinduism +0.2 pts ▸ 0.8%
0.5% Other religions ◂ +0.1 pts 0.4%
0.2% Islam +0.1 pts ▸ 0.4%

Education & Qualifications

Year 12 in Castlecragin Northbridge +3.7 pts higher in Castlecrag gap widening
88.1% 100th pct 84.3% 100th pct
Bachelor+ in Castlecragin Northbridge +2.9 pts higher in Castlecrag gap widening
55.8% 100th pct 52.9% 100th pct
Schools/1k kids in Castlecragin Northbridge
— 1.51 18th pct
Schools ≤3 km in Castlecragin Northbridge +9 more in Northbridge
36 89th pct 45 91st pct
Avg size in Castlecragin Northbridge +80 larger in Northbridge
610 85th pct 690 90th pct
ICSEA in Castlecragin Northbridge +5 higher in Northbridge
1,157 100th pct 1,162 100th pct

Highest year of school

88.1% Year 12 ◂ +3.7 pts 84.3%
5.4% Year 10 +1.0 pts ▸ 6.4%
1.3% Year 9 or below +1.3 pts ▸ 2.6%
2.0% Year 11 +0.5 pts ▸ 2.5%

Highest qualification level

48.2% Bachelor degree ◂ +3.0 pts 45.2%
22.8% Postgraduate degree ◂ +1.2 pts 21.7%
10.1% Advanced diploma / diploma +2.2 pts ▸ 12.3%
4.4% Certificate III / IV +1.1 pts ▸ 5.5%
5.1% Graduate diploma / certificate ◂ +0.3 pts 4.9%
0.4% Certificate I / II even 0.5%

Field of qualification

30.9% Management & commerce +2.7 pts ▸ 33.6%
19.0% Society & culture ◂ +0.8 pts 18.1%
11.5% Health ◂ +1.0 pts 10.5%
7.2% Engineering & related +0.1 pts ▸ 7.3%
5.9% Creative arts ◂ +0.6 pts 5.4%
4.7% Education +0.7 pts ▸ 5.3%
4.8% Natural & physical sciences ◂ +1.0 pts 3.9%
4.0% Architecture & building ◂ +0.8 pts 3.3%
3.5% Information technology ◂ +0.6 pts 2.9%
1.1% Food, hospitality & personal services +0.5 pts ▸ 1.6%
0.8% Agriculture & environment ◂ +0.3 pts 0.5%

Income

Personal income in Castlecragin Northbridge +$71 higher in Castlecrag gap steady
$1,446 97th pct $1,375 95th pct
Household income in Castlecragin Northbridge +$801 higher in Castlecrag gap widening
$4,675 100th pct $3,874 100th pct
Family income in Castlecragin Northbridge +$207 higher in Castlecrag gap widening
$4,857 100th pct $4,650 100th pct
High earners in Castlecragin Northbridge +3.3 pts higher in Castlecrag gap steady
38.0% 100th pct 34.7% 100th pct
High-income homes in Castlecragin Northbridge +8.3 pts higher in Castlecrag gap widening
62.8% 100th pct 54.5% 100th pct

Household income distribution

53.5% $4,000 or more ◂ +7.4 pts 46.1%
16.9% $1,500–$2,999 +1.9 pts ▸ 18.8%
9.4% $650–$1,499 +2.2 pts ▸ 11.6%
9.3% $3,000–$3,999 ◂ +1.0 pts 8.4%
5.0% Under $650 +3.7 pts ▸ 8.7%

Personal income distribution

30.4% Under $650 even 30.4%
28.2% $3,000 or more ◂ +3.0 pts 25.3%
18.9% $1,500–$2,999 +0.7 pts ▸ 19.7%
19.2% $650–$1,499 +0.3 pts ▸ 19.4%

Health & Disability

Health condition in Castlecragin Northbridge +1.1 pts higher in Northbridge
21.7% 19th pct 22.8% 23rd pct
Mental health in Castlecragin Northbridge +0.3 pts higher in Northbridge
4.9% 25th pct 5.3% 26th pct
Needs assistance in Castlecragin Northbridge +2.2 pts higher in Northbridge gap widening
2.7% 28th pct 4.9% 53rd pct

Long-term health conditions reported

7.2% Other condition +1.3 pts ▸ 8.4%
6.0% Arthritis +1.2 pts ▸ 7.2%
6.0% Asthma +0.6 pts ▸ 6.7%
4.9% Mental health +0.3 pts ▸ 5.3%
3.3% Heart disease +0.4 pts ▸ 3.7%
3.2% Cancer +0.2 pts ▸ 3.4%
2.5% Diabetes +0.1 pts ▸ 2.6%
0.5% Dementia +0.9 pts ▸ 1.4%
0.7% Lung condition +0.4 pts ▸ 1.1%
0.3% Stroke +0.4 pts ▸ 0.8%

Number of long-term health conditions

74.2% None ◂ +2.4 pts 71.8%
17.2% One condition ◂ +1.3 pts 15.9%
3.3% Two conditions +1.8 pts ▸ 5.1%
1.2% Three or more +0.6 pts ▸ 1.8%

Community Participation

Volunteering in Castlecragin Northbridge +2.5 pts higher in Castlecrag gap widening
25.2% 76th pct 22.7% 69th pct
Unpaid carers in Castlecragin Northbridge +1.4 pts higher in Castlecrag gap steady
13.7% 60th pct 12.3% 45th pct
Unpaid child care in Castlecragin Northbridge +2.0 pts higher in Northbridge gap steady
29.2% 70th pct 31.2% 78th pct
Defence service in Castlecragin Northbridge +0.6 pts higher in Northbridge
1.2% 35th pct 1.9% 40th pct
Housework 15h+ in Castlecragin Northbridge +2.2 pts higher in Castlecrag gap steady
27.5% 68th pct 25.2% 56th pct

First Nations

First Nations people in Castlecragin Northbridge +19 larger in Northbridge
3 43rd pct 22 70th pct
Median age in Castlecragin Northbridge +16 yrs older in Castlecrag
46 yrs 84th pct 30 yrs 63rd pct
Median income in Castlecragin Northbridge +$1,062 higher in Castlecrag
$2,374 100th pct $1,312 88th pct
Household income in Castlecragin Northbridge +$167 higher in Northbridge
$3,999 95th pct $4,166 96th pct
Indigenous language in Castlecragin Northbridge
— 0.0% 0th pct

Family & Households

Household size in Castlecragin Northbridge +0.1 larger in Castlecrag gap steady
3.0 86th pct 2.9 81st pct
One-parent in Castlecragin Northbridge +0.1 pts higher in Northbridge gap narrowing
7.1% 28th pct 7.2% 28th pct
Living alone in Castlecragin Northbridge +7.4 pts higher in Northbridge gap widening
11.1% 10th pct 18.5% 31st pct

Family composition

71.1% Couples with children +0.2 pts ▸ 71.3%
21.1% Couples without children ◂ +0.1 pts 21.0%
7.1% One-parent families +0.1 pts ▸ 7.2%
0.7% Other families ◂ +0.2 pts 0.5%

Household size

33.0% 2 people ◂ +2.7 pts 30.3%
24.7% 4 people ◂ +2.7 pts 22.0%
19.1% 3 people ◂ +3.6 pts 15.5%
11.1% 1 person +7.4 pts ▸ 18.5%
10.5% 5 people +0.1 pts ▸ 10.6%
2.9% 6 or more +0.1 pts ▸ 3.1%

Housing & Dwellings

Rent in Castlecragin Northbridge +$270 higher in Castlecrag gap widening
$1,010 100th pct $740 100th pct
Mortgage in Castlecragin Northbridge +$316 higher in Northbridge gap narrowing
$4,333 100th pct $4,649 100th pct
People / bedroom in Castlecragin Northbridge even gap narrowing
0.80 43rd pct 0.80 43rd pct
Renting in Castlecragin Northbridge +8.8 pts higher in Northbridge gap widening
10.9% 30th pct 19.7% 59th pct
Owned outright in Castlecragin Northbridge +0.4 pts higher in Castlecrag gap narrowing
48.6% 72nd pct 48.2% 71st pct
Separate houses in Castlecragin Northbridge +23.2 pts higher in Castlecrag gap widening
97.4% 54th pct 74.1% 14th pct
3+ bedrooms in Castlecragin Northbridge +12.9 pts higher in Castlecrag gap steady
91.8% 83rd pct 78.9% 48th pct

How homes are owned or rented

48.6% Owned outright ◂ +0.4 pts 48.2%
38.5% Owned with a mortgage ◂ +8.5 pts 30.1%
10.9% Rented +8.8 pts ▸ 19.7%
1.5% Other tenure +0.1 pts ▸ 1.6%
0.4% Not stated +0.4 pts ▸ 0.8%

Types of homes

97.4% Separate house ◂ +23.2 pts 74.1%
1.2% Flat or apartment +18.1 pts ▸ 19.2%
1.8% Townhouse / semi-detached +4.6 pts ▸ 6.3%
0.4% Other dwelling ◂ +0.1 pts 0.3%

Bedrooms per home

45.4% 4 bedrooms ◂ +13.4 pts 32.1%
28.3% 3 bedrooms ◂ +1.8 pts 26.5%
18.1% 5 or more +2.3 pts ▸ 20.4%
6.5% 2 bedrooms +9.7 pts ▸ 16.2%
1.7% 1 bedroom +2.5 pts ▸ 4.2%
0.0% Studio / none +0.6 pts ▸ 0.6%

Weekly rent distribution

72.1% $750 or more ◂ +25.6 pts 46.6%
12.5% $550–$749 +13.2 pts ▸ 25.7%
6.7% $350–$549 +11.3 pts ▸ 18.1%
0.0% $200–$349 +4.5 pts ▸ 4.5%
0.0% Under $200 +1.0 pts ▸ 1.0%

Monthly mortgage distribution

64.7% $3,000 or more +0.7 pts ▸ 65.4%
10.9% Under $1,000 +1.9 pts ▸ 12.7%
11.1% $1,800–$2,999 even 11.2%
6.5% $1,000–$1,799 +0.3 pts ▸ 6.8%

Transport & Vehicles

No car in Castlecragin Northbridge +2.0 pts higher in Northbridge gap steady
2.0% 56th pct 3.9% 68th pct
Work from home in Castlecragin Northbridge +0.5 pts higher in Castlecrag gap narrowing
58.4% 100th pct 57.9% 100th pct
PT commute in Castlecragin Northbridge +0.3 pts higher in Northbridge gap narrowing
1.3% 74th pct 1.6% 77th pct
PT stops in Castlecragin Northbridge +15 more in Northbridge
15 85th pct 30 86th pct
Stops/1k in Castlecragin Northbridge +0.44 more in Castlecrag
5.06 78th pct 4.62 76th pct
Departures/1k in Castlecragin Northbridge +1,430.3 more in Northbridge
1,096.5 87th pct 2,526.7 94th pct
PT routes in Castlecragin Northbridge +1 more in Northbridge
10 86th pct 11 86th pct
Stop walk in Castlecragin Northbridge +2 longer in Castlecrag
4 29th pct 2 14th pct
Drive to city in Castlecragin Northbridge +1 longer in Castlecrag
10 5th pct 9 4th pct
Reach 30 min in Castlecragin Northbridge even
26,436 79th pct 26,436 79th pct
Reach 45 min in Castlecragin Northbridge +47,002 more in Northbridge
85,387 75th pct 132,389 86th pct
Transit to city in Castlecragin Northbridge +6 longer in Castlecrag
47 30th pct 41 21st pct

How people get to work

58.4% Worked at home ◂ +0.5 pts 57.9%
24.4% Car (driver) ◂ +1.4 pts 23.1%
1.4% Car (passenger) +0.8 pts ▸ 2.3%
1.2% Walked +1.1 pts ▸ 2.2%
1.3% Bus +0.2 pts ▸ 1.5%
0.4% Bicycle ◂ +0.1 pts 0.3%
0.0% Train +0.1 pts ▸ 0.1%

Motor vehicles per home

47.2% 2 vehicles ◂ +4.1 pts 43.1%
27.7% 1 vehicle +7.1 pts ▸ 34.8%
16.4% 3 vehicles ◂ +3.8 pts 12.6%
6.5% 4 or more ◂ +1.1 pts 5.4%
2.0% No vehicle +2.0 pts ▸ 3.9%

Migration & Movement

Recent movers in Castlecragin Northbridge +3.4 pts higher in Northbridge gap steady
29.7% 45th pct 33.1% 58th pct
Recent arrivals in Castlecragin Northbridge +2.5 pts higher in Northbridge gap steady
6.1% 47th pct 8.7% 59th pct

Jobs & Industry

Unemployment in Castlecragin Northbridge +0.6 pts higher in Castlecrag gap steady
4.2% 59th pct 3.6% 51st pct
Participation in Castlecragin Northbridge +2.9 pts higher in Castlecrag gap steady
62.4% 56th pct 59.5% 45th pct
Full-time in Castlecragin Northbridge +1.7 pts higher in Northbridge gap steady
58.1% 50th pct 59.8% 59th pct

Industries people work in

23.2% Professional & technical ◂ +4.1 pts 19.1%
14.1% Finance & insurance +1.6 pts ▸ 15.7%
13.5% Health care & social assistance ◂ +2.0 pts 11.5%
7.9% Education & training +0.3 pts ▸ 8.1%
6.0% Retail trade +0.5 pts ▸ 6.5%
4.6% Construction ◂ +0.1 pts 4.6%
4.3% Accommodation & food even 4.4%
3.3% Rental & real estate +0.9 pts ▸ 4.2%
2.6% Public administration & safety +0.9 pts ▸ 3.5%
3.2% Media & telecommunications ◂ +0.5 pts 2.7%
2.2% Wholesale trade +0.8 pts ▸ 3.0%
2.3% Manufacturing +0.4 pts ▸ 2.7%

Occupations people work in

43.1% Professionals ◂ +0.8 pts 42.3%
27.1% Managers ◂ +2.1 pts 24.9%
10.3% Clerical & administrative +1.0 pts ▸ 11.3%
6.4% Sales workers ◂ +0.2 pts 6.2%
5.2% Community & personal service +0.8 pts ▸ 6.0%
3.2% Technicians & trades +0.9 pts ▸ 4.2%
2.1% Labourers ◂ +0.2 pts 1.9%
1.0% Machinery operators & drivers even 1.0%

Walkability

Walk score in Castlecragin Northbridge +1.6 higher in Northbridge
5.6 86th pct 7.2 94th pct
Types ≤15 min in Castlecragin Northbridge +1.0 more in Northbridge
5.7 86th pct 6.7 92nd pct
15-min city in Castlecragin Northbridge +18.0 pts higher in Northbridge
76.2% 87th pct 94.2% 97th pct
Walk to shops in Castlecragin Northbridge +59.7 pts higher in Northbridge
16.8% 70th pct 76.4% 87th pct
Walk to transit in Castlecragin Northbridge even
99.6% 99th pct 99.6% 99th pct
Walk to school in Castlecragin Northbridge +51.0 pts higher in Northbridge
46.6% 74th pct 97.6% 98th pct
Walk to a park in Castlecragin Northbridge even
99.8% 94th pct 100.0% 100th pct
Walk to health in Castlecragin Northbridge +57.5 pts higher in Castlecrag
81.9% 94th pct 24.4% 78th pct
Amenities/1k in Castlecragin Northbridge +0.5 more in Northbridge
13.5 50th pct 14.0 51st pct
Intersections/km² in Castlecragin Northbridge even
141 88th pct 141 88th pct
Mean slope in Castlecragin Northbridge +5.8 pts higher in Castlecrag
16.5% 94th pct 10.7% 84th pct

Compare Castlecrag with nearby areas

Middle Cove Northbridge Willoughby East North Willoughby Willoughby Castle Cove Cammeray Naremburn

Compare Northbridge with nearby areas

Castlecrag Cammeray Willoughby East Cremorne Middle Cove Willoughby Naremburn Crows Nest

Cite this page

Australian Bureau of Statistics. (2021). Castlecrag vs Northbridge [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/compare/sal/SAL10848/castlecrag/vs/SAL13032/northbridge