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Clontarf vs Seaforth

Name: Clontarf vs Seaforth — 2021 Census comparison
Creator: Australian Bureau of Statistics
License: https://creativecommons.org/licenses/by/4.0/

Suburb / Locality comparison ≈ 2.3 km apart · Clontarf profile · Seaforth profile

Clontarf Seaforth

Seaforth and Clontarf are neighbouring Northern Beaches suburbs with distinct profiles. Seaforth is a larger area with a younger feel, where 23.2% of residents are children under 15 and the typical age is 42. It is also more connected, with far more public transport stops and 85% of homes within a 15-minute walk of health services. In contrast, Clontarf is older and more established, with a typical resident aged 47 and a high rate of home ownership, as 54.6% of homes are owned outright compared to 38.6% in Seaforth.

Everyday life in both places is very similar, with almost identical family incomes, a similar number of people per home, and a 13-minute drive to the city. Both areas have a highly qualified workforce and high weekly pay that sits far above the national figure. While Clontarf has a higher share of university degrees and detached houses, Seaforth has seen more people move in over the last five years.

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Where they differ most

Population: 5,638 larger in Seaforth Owned outright: 16.0 pts higher in Clontarf First Nations: 0.5 pts higher in Seaforth Renting: 8.6 pts higher in Seaforth Median age: 5 yrs older in Clontarf

Demographics & Identity

Population in Clontarf in Seaforth +5,638 larger in Seaforth gap widening

1,746 77th pct 7,384 87th pct

Median age in Clontarf in Seaforth +5 yrs older in Clontarf gap widening

47 yrs 57th pct 42 yrs 38th pct

Age structure

36.1% Older adults (45–64) ◂ +5.5 pts 30.5%

17.5% Children (0–14) +5.7 pts ▸ 23.2%

13.2% Young adults (25–44) +4.9 pts ▸ 18.1%

17.7% Seniors (65+) ◂ +2.4 pts 15.3%

15.6% Youth (15–24) ◂ +2.7 pts 12.9%

Marital status

60.8% Married ◂ +0.3 pts 60.4%

29.3% Never married ◂ +0.7 pts 28.6%

4.6% Divorced +1.4 pts ▸ 6.0%

4.0% Widowed ◂ +0.3 pts 3.6%

1.5% Separated ◂ +0.2 pts 1.3%

Age & sex structure

Clontarf Seaforth

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

Ancestry & Birthplace

Country of birth

64.1% Australia +0.8 pts ▸ 64.9%

11.2% England ◂ +1.7 pts 9.5%

3.0% China ◂ +0.6 pts 2.5%

1.9% New Zealand +0.2 pts ▸ 2.2%

1.6% South Africa +0.1 pts ▸ 1.7%

1.0% Italy ◂ +0.5 pts 0.5%

0.2% India +0.2 pts ▸ 0.3%

0.2% Philippines +0.2 pts ▸ 0.3%

0.3% Vietnam ◂ +0.1 pts 0.2%

0.0% Nepal even 0.0%

Ancestry

42.4% English +0.3 pts ▸ 42.6%

28.5% Australian +0.9 pts ▸ 29.4%

13.3% Irish +0.5 pts ▸ 13.8%

11.2% Scottish even 11.1%

6.4% Chinese ◂ +0.2 pts 6.1%

5.5% Italian ◂ +0.1 pts 5.4%

3.9% German +0.3 pts ▸ 4.2%

4.0% Greek ◂ +1.7 pts 2.3%

1.2% Dutch +0.5 pts ▸ 1.7%

1.2% Indian ◂ +0.2 pts 1.0%

0.5% Filipino even 0.5%

0.3% Vietnamese +0.1 pts ▸ 0.4%

Language

Language used at home

84.1% English only ◂ +2.1 pts 81.9%

4.0% Mandarin ◂ +1.1 pts 2.9%

2.1% Greek ◂ +1.0 pts 1.1%

0.7% Cantonese +0.4 pts ▸ 1.2%

1.1% Italian ◂ +0.3 pts 0.9%

0.0% Arabic +0.3 pts ▸ 0.3%

0.2% Vietnamese +0.1 pts ▸ 0.3%

0.2% Hindi ◂ +0.1 pts 0.1%

0.0% Punjabi +0.1 pts ▸ 0.1%

0.0% Tagalog even 0.0%

Religion

Religious affiliation

51.7% Christianity ◂ +1.1 pts 50.6%

40.8% No religion +1.1 pts ▸ 41.9%

4.2% Not stated +0.7 pts ▸ 5.0%

1.0% Buddhism even 1.0%

0.3% Other religions +0.2 pts ▸ 0.6%

0.6% Islam ◂ +0.1 pts 0.4%

0.6% Hinduism ◂ +0.3 pts 0.3%

0.5% Judaism ◂ +0.2 pts 0.3%

Education & Qualifications

Schools/1k kids in Clontarf in Seaforth

— 0.58 0th pct

Schools ≤3 km in Clontarf in Seaforth +8 more in Seaforth

22 87th pct 30 88th pct

Avg size in Clontarf in Seaforth +44 larger in Clontarf

490 71st pct 447 65th pct

ICSEA in Clontarf in Seaforth even

1,145 100th pct 1,146 100th pct

Highest year of school

85.9% Year 12 ◂ +4.6 pts 81.2%

7.7% Year 10 +1.0 pts ▸ 8.7%

1.9% Year 11 +1.7 pts ▸ 3.7%

2.4% Year 9 or below +0.1 pts ▸ 2.5%

Highest qualification level

48.5% Bachelor degree ◂ +4.7 pts 43.8%

19.5% Postgraduate degree ◂ +3.5 pts 16.1%

12.2% Advanced diploma / diploma +1.9 pts ▸ 14.1%

6.9% Certificate III / IV +3.0 pts ▸ 9.8%

3.9% Graduate diploma / certificate ◂ +0.1 pts 3.9%

1.0% Certificate I / II even 1.0%

Field of qualification

33.9% Management & commerce ◂ +0.6 pts 33.3%

17.8% Society & culture ◂ +2.5 pts 15.3%

9.3% Health ◂ +1.3 pts 8.0%

6.5% Engineering & related +2.1 pts ▸ 8.6%

6.3% Creative arts ◂ +0.5 pts 5.8%

5.9% Education ◂ +0.2 pts 5.7%

4.9% Architecture & building ◂ +0.6 pts 4.3%

3.9% Natural & physical sciences +0.3 pts ▸ 4.2%

2.7% Information technology +0.7 pts ▸ 3.4%

2.2% Food, hospitality & personal services +0.2 pts ▸ 2.4%

0.7% Agriculture & environment +0.3 pts ▸ 1.0%

Income

Personal income in Clontarf in Seaforth +$122 higher in Clontarf gap widening

$1,385 95th pct $1,263 92nd pct

Household income in Clontarf in Seaforth +$425 higher in Clontarf gap widening

$4,609 100th pct $4,184 100th pct

Family income in Clontarf in Seaforth +$154 higher in Clontarf gap widening

$4,774 100th pct $4,620 100th pct

Household income distribution

49.9% $4,000 or more ◂ +2.5 pts 47.4%

16.3% $1,500–$2,999 +1.0 pts ▸ 17.3%

8.8% $650–$1,499 +3.0 pts ▸ 11.8%

10.9% $3,000–$3,999 ◂ +1.7 pts 9.2%

7.3% Under $650 ◂ +0.3 pts 7.0%

Personal income distribution

30.9% Under $650 +0.2 pts ▸ 31.1%

27.8% $3,000 or more ◂ +4.4 pts 23.4%

20.4% $650–$1,499 +0.5 pts ▸ 21.0%

19.4% $1,500–$2,999 ◂ +0.3 pts 19.1%

Health & Disability

Long-term health conditions reported

7.2% Arthritis ◂ +2.1 pts 5.1%

6.5% Asthma ◂ +0.2 pts 6.3%

6.0% Other condition +0.2 pts ▸ 6.1%

4.0% Mental health +1.7 pts ▸ 5.6%

4.5% Heart disease ◂ +1.3 pts 3.2%

3.4% Cancer ◂ +0.7 pts 2.8%

1.9% Diabetes +0.4 pts ▸ 2.3%

0.5% Lung condition +0.3 pts ▸ 0.8%

0.7% Dementia even 0.7%

0.6% Stroke ◂ +0.1 pts 0.6%

Number of long-term health conditions

72.5% None +0.5 pts ▸ 73.0%

17.2% One condition ◂ +0.9 pts 16.3%

3.3% Two conditions +0.2 pts ▸ 3.5%

1.6% Three or more ◂ +0.2 pts 1.4%

Community Participation

First Nations

First Nations people in Clontarf in Seaforth +40 larger in Seaforth

0 0th pct 40 75th pct

Median age in Clontarf in Seaforth +7 yrs older in Clontarf

36 yrs 74th pct 29 yrs 60th pct

Median income in Clontarf in Seaforth

— $820 67th pct

Household income in Clontarf in Seaforth +$2,376 higher in Clontarf

$4,750 100th pct $2,374 75th pct

Family & Households

Household size in Clontarf in Seaforth +0.1 larger in Seaforth gap widening

3.0 86th pct 3.1 88th pct

Family composition

70.3% Couples with children +4.3 pts ▸ 74.5%

23.4% Couples without children ◂ +6.2 pts 17.2%

6.1% One-parent families +1.8 pts ▸ 7.9%

0.2% Other families +0.3 pts ▸ 0.5%

Household size

32.4% 2 people ◂ +5.0 pts 27.4%

22.5% 4 people +6.4 pts ▸ 28.9%

16.1% 3 people +0.6 pts ▸ 16.7%

13.3% 1 person ◂ +1.9 pts 11.5%

12.8% 5 people ◂ +0.9 pts 12.0%

2.8% 6 or more +0.6 pts ▸ 3.4%

Housing & Dwellings

Rent in Clontarf in Seaforth +$375 higher in Clontarf gap narrowing

$1,250 100th pct $875 100th pct

Mortgage in Clontarf in Seaforth +$984 higher in Clontarf gap widening

$5,317 100th pct $4,333 100th pct

People / bedroom in Clontarf in Seaforth even gap narrowing

0.80 43rd pct 0.80 43rd pct

How homes are owned or rented

54.6% Owned outright ◂ +16.0 pts 38.6%

35.9% Owned with a mortgage +7.7 pts ▸ 43.6%

7.6% Rented +8.6 pts ▸ 16.2%

1.4% Not stated ◂ +0.5 pts 0.8%

1.2% Other tenure ◂ +0.3 pts 0.9%

Types of homes

94.3% Separate house ◂ +7.6 pts 86.6%

4.5% Townhouse / semi-detached +3.5 pts ▸ 8.0%

0.0% Flat or apartment +5.1 pts ▸ 5.1%

0.5% Other dwelling ◂ +0.5 pts 0.0%

Bedrooms per home

46.4% 4 bedrooms ◂ +8.5 pts 38.0%

20.3% 3 bedrooms +11.6 pts ▸ 31.9%

26.0% 5 or more ◂ +4.7 pts 21.3%

2.8% 2 bedrooms +4.1 pts ▸ 6.8%

0.7% 1 bedroom +0.8 pts ▸ 1.5%

0.0% Studio / none even 0.0%

Weekly rent distribution

70.5% $750 or more ◂ +10.8 pts 59.7%

20.5% $350–$549 ◂ +11.5 pts 9.0%

0.0% $200–$349 +10.6 pts ▸ 10.6%

6.8% $550–$749 +3.8 pts ▸ 10.6%

0.0% Under $200 +4.4 pts ▸ 4.4%

Monthly mortgage distribution

69.1% $3,000 or more ◂ +4.7 pts 64.4%

5.3% $1,800–$2,999 +8.8 pts ▸ 14.1%

11.1% Under $1,000 ◂ +2.7 pts 8.4%

7.2% $1,000–$1,799 ◂ +1.7 pts 5.6%

Transport & Vehicles

PT stops in Clontarf in Seaforth +43 more in Seaforth

5 74th pct 48 87th pct

Stops/1k in Clontarf in Seaforth +3.64 more in Seaforth

2.86 69th pct 6.50 84th pct

Departures/1k in Clontarf in Seaforth +644.0 more in Seaforth

1,473.7 89th pct 2,117.7 92nd pct

PT routes in Clontarf in Seaforth +2 more in Seaforth

8 86th pct 10 86th pct

Stop walk in Clontarf in Seaforth +1 longer in Seaforth

1 0th pct 2 14th pct

Drive to city in Clontarf in Seaforth even

13 9th pct 13 9th pct

Reach 30 min in Clontarf in Seaforth even

34,495 86th pct 34,495 86th pct

Reach 45 min in Clontarf in Seaforth +17,183 more in Seaforth

56,933 67th pct 74,116 73rd pct

Transit to city in Clontarf in Seaforth +2 longer in Clontarf

60 56th pct 58 51st pct

How people get to work

55.6% Worked at home ◂ +0.4 pts 55.3%

25.4% Car (driver) ◂ +0.2 pts 25.2%

2.3% Car (passenger) ◂ +0.1 pts 2.2%

1.4% Bus +0.4 pts ▸ 1.8%

1.2% Walked ◂ +0.3 pts 0.9%

0.0% Bicycle +0.4 pts ▸ 0.4%

0.0% Train +0.1 pts ▸ 0.1%

Motor vehicles per home

48.2% 2 vehicles ◂ +1.2 pts 47.0%

21.9% 1 vehicle +6.6 pts ▸ 28.5%

17.5% 3 vehicles ◂ +3.2 pts 14.3%

10.4% 4 or more ◂ +2.8 pts 7.5%

1.9% No vehicle +0.9 pts ▸ 2.8%

Migration & Movement

Jobs & Industry

Industries people work in

22.0% Professional & technical ◂ +4.1 pts 17.9%

11.3% Finance & insurance +1.9 pts ▸ 13.2%

9.8% Health care & social assistance +0.5 pts ▸ 10.3%

7.8% Education & training +0.3 pts ▸ 8.1%

6.2% Retail trade +0.8 pts ▸ 7.0%

6.4% Construction +0.1 pts ▸ 6.6%

3.9% Accommodation & food +1.4 pts ▸ 5.3%

4.2% Rental & real estate ◂ +0.9 pts 3.3%

3.7% Manufacturing even 3.7%

1.3% Public administration & safety +2.4 pts ▸ 3.7%

3.6% Other services ◂ +1.1 pts 2.5%

3.4% Wholesale trade ◂ +0.9 pts 2.5%

Occupations people work in

39.4% Professionals ◂ +3.7 pts 35.7%

27.3% Managers +1.1 pts ▸ 28.5%

11.0% Clerical & administrative ◂ +0.4 pts 10.6%

6.8% Sales workers +1.0 pts ▸ 7.8%

6.2% Community & personal service +0.8 pts ▸ 7.0%

4.2% Technicians & trades +1.6 pts ▸ 5.8%

2.6% Labourers ◂ +0.6 pts 1.9%

0.4% Machinery operators & drivers +0.9 pts ▸ 1.2%

Walkability

Walk score in Clontarf in Seaforth +0.4 higher in Seaforth

6.5 90th pct 6.9 92nd pct

Types ≤15 min in Clontarf in Seaforth +0.2 more in Clontarf

6.7 93rd pct 6.4 91st pct

15-min city in Clontarf in Seaforth +4.2 pts higher in Seaforth

80.3% 89th pct 84.6% 91st pct

Walk to shops in Clontarf in Seaforth +5.7 pts higher in Seaforth

80.2% 89th pct 85.8% 92nd pct

Walk to transit in Clontarf in Seaforth +2.2 pts higher in Clontarf

100.0% 100th pct 97.8% 93rd pct

Walk to school in Clontarf in Seaforth +2.9 pts higher in Clontarf

99.8% 100th pct 97.0% 98th pct

Walk to a park in Clontarf in Seaforth even

100.0% 100th pct 100.0% 100th pct

Walk to health in Clontarf in Seaforth +10.8 pts higher in Seaforth

74.2% 91st pct 85.0% 95th pct

Amenities/1k in Clontarf in Seaforth +16.3 more in Seaforth

9.2 39th pct 25.5 68th pct

Intersections/km² in Clontarf in Seaforth +8 higher in Seaforth

121 87th pct 129 87th pct

Mean slope in Clontarf in Seaforth +7.7 pts higher in Clontarf

20.0% 100th pct 12.3% 88th pct

Compare Clontarf with nearby areas

Balgowlah Heights Balgowlah North Balgowlah Seaforth Fairlight Mosman Manly Vale Cremorne

Compare Seaforth with nearby areas

North Balgowlah Balgowlah Clontarf Allambie Heights Castlecrag Killarney Heights Manly Vale Balgowlah Heights

Cite this page

Australian Bureau of Statistics. (2021). Clontarf vs Seaforth [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/compare/sal/SAL10934/clontarf/vs/SAL13524/seaforth