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Balgowlah Heights vs Seaforth
Suburb / Locality comparison ≈ 2.7 km apart · Balgowlah Heights profile · Seaforth profile
Balgowlah Heights Seaforth
Seaforth and Balgowlah Heights are neighbouring suburbs on the Northern Beaches with very high income levels. Seaforth is more walkable, with 85.8% of homes within a 15-minute walk of groceries and 85% near health services. It also has more public transport options, with 48 stops compared to 27 in Balgowlah Heights. In contrast, Balgowlah Heights is more affluent and established, with a higher share of university degrees (52.1%) and more homes owned outright (47.7%).
These two areas have tracked similarly since 2011, though Seaforth has seen a higher rate of people moving in over the last five years. They share a similar demographic profile, with nearly identical shares of children under 15 and people aged 65 and over. Both suburbs sit far above the national figure for typical weekly incomes and the number of residents working from home.
Where they differ most
Demographics & Identity
- First area, 2011: 3,268
- First area, 2016: 3,342
- First area, 2021: 3,546
- Second area, 2011: 6,726
- Second area, 2016: 7,139
- Second area, 2021: 7,384
- First area, 2011: 40 yrs
- First area, 2016: 41 yrs
- First area, 2021: 43 yrs
- Second area, 2011: 39 yrs
- Second area, 2016: 40 yrs
- Second area, 2021: 42 yrs
Age structure
Marital status
Age & sex structure
Bars show the share of each area's own population, so differently sized areas stay comparable.
- 85+ in Balgowlah Heights: 1.1% males, 1.3% females; 85+ in Seaforth: 0.9% males, 1.2% females
- 80–84 in Balgowlah Heights: 0.5% males, 0.7% females; 80–84 in Seaforth: 1.2% males, 0.9% females
- 75–79 in Balgowlah Heights: 1.1% males, 1.3% females; 75–79 in Seaforth: 1.6% males, 1.7% females
- 70–74 in Balgowlah Heights: 2.4% males, 2.0% females; 70–74 in Seaforth: 1.8% males, 2.1% females
- 65–69 in Balgowlah Heights: 2.1% males, 2.4% females; 65–69 in Seaforth: 1.8% males, 2.2% females
- 60–64 in Balgowlah Heights: 2.8% males, 2.5% females; 60–64 in Seaforth: 2.8% males, 2.5% females
- 55–59 in Balgowlah Heights: 3.9% males, 4.3% females; 55–59 in Seaforth: 3.8% males, 3.6% females
- 50–54 in Balgowlah Heights: 4.7% males, 4.5% females; 50–54 in Seaforth: 4.2% males, 4.4% females
- 45–49 in Balgowlah Heights: 4.4% males, 5.2% females; 45–49 in Seaforth: 4.7% males, 4.6% females
- 40–44 in Balgowlah Heights: 3.4% males, 3.7% females; 40–44 in Seaforth: 3.2% males, 3.9% females
- 35–39 in Balgowlah Heights: 1.6% males, 2.2% females; 35–39 in Seaforth: 2.2% males, 2.8% females
- 30–34 in Balgowlah Heights: 0.9% males, 1.2% females; 30–34 in Seaforth: 1.5% males, 1.6% females
- 25–29 in Balgowlah Heights: 1.2% males, 0.8% females; 25–29 in Seaforth: 1.4% males, 1.4% females
- 20–24 in Balgowlah Heights: 2.6% males, 2.5% females; 20–24 in Seaforth: 2.4% males, 2.5% females
- 15–19 in Balgowlah Heights: 4.0% males, 4.7% females; 15–19 in Seaforth: 4.1% males, 3.8% females
- 10–14 in Balgowlah Heights: 5.5% males, 5.6% females; 10–14 in Seaforth: 5.2% males, 4.5% females
- 5–9 in Balgowlah Heights: 4.8% males, 4.8% females; 5–9 in Seaforth: 3.8% males, 3.6% females
- 0–4 in Balgowlah Heights: 1.7% males, 1.7% females; 0–4 in Seaforth: 3.1% males, 2.8% females
Ancestry & Birthplace
Country of birth
Ancestry
Language
Language used at home
Religion
Religious affiliation
Education & Qualifications
Highest year of school
Highest qualification level
Field of qualification
Income
- First area, 2011: $915
- First area, 2016: $1,139
- First area, 2021: $1,333
- Second area, 2011: $855
- Second area, 2016: $1,062
- Second area, 2021: $1,263
- First area, 2011: $2,695
- First area, 2016: $3,726
- First area, 2021: $4,687
- Second area, 2011: $2,553
- Second area, 2016: $3,384
- Second area, 2021: $4,184
- First area, 2011: $2,841
- First area, 2016: $4,004
- First area, 2021: $4,784
- Second area, 2011: $2,690
- Second area, 2016: $3,672
- Second area, 2021: $4,620
Household income distribution
Personal income distribution
Health & Disability
Long-term health conditions reported
Number of long-term health conditions
Community Participation
First Nations
Family & Households
- First area, 2011: 3.1
- First area, 2016: 3.2
- First area, 2021: 3.3
- Second area, 2011: 3.1
- Second area, 2016: 3.2
- Second area, 2021: 3.1
Family composition
Household size
Housing & Dwellings
- First area, 2011: $818
- First area, 2016: $1,100
- First area, 2021: $1,320
- Second area, 2011: $550
- Second area, 2016: $780
- Second area, 2021: $875
- First area, 2011: $3,987
- First area, 2016: $4,292
- First area, 2021: $4,878
- Second area, 2011: $3,500
- Second area, 2016: $3,700
- Second area, 2021: $4,333
- First area, 2011: 1.00
- First area, 2016: 0.80
- First area, 2021: 0.80
- Second area, 2011: 1.10
- Second area, 2016: 0.90
- Second area, 2021: 0.80
How homes are owned or rented
Types of homes
Bedrooms per home
Weekly rent distribution
Monthly mortgage distribution
Transport & Vehicles
How people get to work
Motor vehicles per home
Migration & Movement
Jobs & Industry
Industries people work in
Occupations people work in
Walkability
Compare Balgowlah Heights with nearby areas
Compare Seaforth with nearby areas
Cite this page
Australian Bureau of Statistics. (2021). Balgowlah Heights vs Seaforth [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/compare/sal/SAL10155/balgowlah-heights/vs/SAL13524/seaforth