Compare
Birkenhead vs Semaphore
Suburb / Locality comparison ≈ 1.5 km apart · Birkenhead profile · Semaphore profile
Birkenhead Semaphore
Semaphore and Birkenhead are neighbouring areas in South Australia with very different demographics. Residents are far older in Semaphore, where the typical age is 50, compared to 39 in Birkenhead. Semaphore has a more highly qualified workforce, with 29.2% of adults holding a bachelor degree or higher compared to 19.5% in Birkenhead. This is consistent with a higher share of high earners in Semaphore, where 23.1% of households earn $3,000 or more a week, compared to 16.8% in Birkenhead. Housing also differs, as separate houses are far higher in Birkenhead at 88.1% compared to 65.2% in Semaphore.
Both areas sit near the national figure for the share of people providing unpaid care, at around 14.4%. They are also alike in their typical weekly personal income, which is about $857 in both places. While they share these similarities, other gaps are shifting; for example, the crime rate has risen by 7.7% in Semaphore, while it fell by 29.2% in Birkenhead over the last five years.
Where they differ most
Demographics & Identity
- First area, 2011: 1,716
- First area, 2016: 1,663
- First area, 2021: 1,798
- Second area, 2011: 2,826
- Second area, 2016: 2,764
- Second area, 2021: 2,749
- First area, 2011: 39 yrs
- First area, 2016: 41 yrs
- First area, 2021: 39 yrs
- Second area, 2011: 43 yrs
- Second area, 2016: 46 yrs
- Second area, 2021: 50 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 Birkenhead: 0.6% males, 1.1% females; 85+ in Semaphore: 0.5% males, 1.6% females
- 80–84 in Birkenhead: 0.4% males, 0.6% females; 80–84 in Semaphore: 0.7% males, 1.2% females
- 75–79 in Birkenhead: 0.7% males, 1.2% females; 75–79 in Semaphore: 1.6% males, 1.5% females
- 70–74 in Birkenhead: 2.0% males, 2.1% females; 70–74 in Semaphore: 2.6% males, 2.8% females
- 65–69 in Birkenhead: 2.3% males, 2.9% females; 65–69 in Semaphore: 3.8% males, 3.7% females
- 60–64 in Birkenhead: 3.4% males, 3.7% females; 60–64 in Semaphore: 4.9% males, 5.4% females
- 55–59 in Birkenhead: 3.7% males, 4.5% females; 55–59 in Semaphore: 4.9% males, 6.0% females
- 50–54 in Birkenhead: 3.5% males, 4.4% females; 50–54 in Semaphore: 5.0% males, 5.1% females
- 45–49 in Birkenhead: 3.0% males, 3.1% females; 45–49 in Semaphore: 3.8% males, 3.4% females
- 40–44 in Birkenhead: 2.5% males, 3.3% females; 40–44 in Semaphore: 2.8% males, 2.9% females
- 35–39 in Birkenhead: 3.8% males, 4.1% females; 35–39 in Semaphore: 2.4% males, 2.9% females
- 30–34 in Birkenhead: 4.1% males, 4.4% females; 30–34 in Semaphore: 2.6% males, 2.3% females
- 25–29 in Birkenhead: 3.7% males, 3.7% females; 25–29 in Semaphore: 2.0% males, 2.8% females
- 20–24 in Birkenhead: 2.7% males, 3.1% females; 20–24 in Semaphore: 2.8% males, 2.0% females
- 15–19 in Birkenhead: 2.7% males, 1.7% females; 15–19 in Semaphore: 2.2% males, 2.4% females
- 10–14 in Birkenhead: 2.4% males, 2.5% females; 10–14 in Semaphore: 2.2% males, 2.0% females
- 5–9 in Birkenhead: 2.5% males, 2.1% females; 5–9 in Semaphore: 2.1% males, 1.8% females
- 0–4 in Birkenhead: 3.7% males, 3.7% females; 0–4 in Semaphore: 1.6% males, 1.7% 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: $628
- First area, 2016: $688
- First area, 2021: $858
- Second area, 2011: $604
- Second area, 2016: $694
- Second area, 2021: $857
- First area, 2011: $1,172
- First area, 2016: $1,233
- First area, 2021: $1,598
- Second area, 2011: $1,299
- Second area, 2016: $1,460
- Second area, 2021: $1,718
- First area, 2011: $1,445
- First area, 2016: $1,568
- First area, 2021: $2,037
- Second area, 2011: $1,771
- Second area, 2016: $2,081
- Second area, 2021: $2,362
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: 2.4
- First area, 2016: 2.2
- First area, 2021: 2.3
- Second area, 2011: 2.2
- Second area, 2016: 2.2
- Second area, 2021: 2.2
Family composition
Household size
Housing & Dwellings
- First area, 2011: $255
- First area, 2016: $290
- First area, 2021: $315
- Second area, 2011: $250
- Second area, 2016: $285
- Second area, 2021: $320
- First area, 2011: $1,600
- First area, 2016: $1,517
- First area, 2021: $1,543
- Second area, 2011: $1,560
- Second area, 2016: $1,733
- Second area, 2021: $1,733
- First area, 2011: 1.10
- First area, 2016: 0.80
- First area, 2021: 0.80
- Second area, 2011: 1.10
- Second area, 2016: 0.80
- 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
Crime & Safety
Walkability
Compare Birkenhead with nearby areas
Compare Semaphore with nearby areas
Cite this page
Australian Bureau of Statistics. (2021). Birkenhead vs Semaphore [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/compare/sal/SAL40110/birkenhead/vs/SAL41329/semaphore