Birrong vs Sefton

Comparing Birrong and Sefton, NSW: Sefton has more residents (6,300 vs 3,331); Sefton scores higher overall (69 vs 51).

Which one suits you?

There is no overall winner — the suburb that suits a family with school-age kids is routinely the wrong one for someone commuting into the city. So each of these answers its own question, against a checklist you can see, using the same figures in the tables below.

Families with school-age kids

Sefton

ahead on 2 of the 6 things we measure here

  • has more schools rated above their peers (2 vs 0)
  • has more childcare (6 vs 2)
  • But Birrong has more separate houses rather than flats (83% vs 70%)

Weighs schools, house stock, crime, parks, childcare, and who already lives there.

First-home buyers

Sefton

ahead on the one thing that separates them

  • has cheaper units ($535,000 vs $1,110,000)

Weighs house prices, unit prices, and mortgage stress.

Renters

Too close to call

Nothing among the 3 things we measure here separates them by enough to be worth acting on.

Weighs rent, rental stress, and how much is for rent.

Commuting to the city

Too close to call

Nothing among the 4 things we measure here separates them by enough to be worth acting on.

Weighs distance, drive time, rail access, and walkability.

Downsizers and retirees

Sefton

ahead on the one thing that separates them

  • has more units and townhouses to downsize into (30% vs 17%)

Weighs smaller dwellings, who already lives there, GPs, walkability, and crime.

Investors

Sefton

ahead on the one thing that separates them

  • returns a higher gross yield on houses (4.8% vs 2.9%)

Weighs house yield and population growth.

Where they sit

Birrong and Sefton drawn to the same scale. Both outlines are shown together, so the map answers whether they share a border and how their areas compare.

Birrong Sefton
Hides rows where both suburbs match

Bars start at zero. Scores, risks and rankings are drawn against their full 0–100 range; other rows are drawn in proportion to the larger of the two.

Side by side, out of 100

Risks are inverted — shown as safety and low exposure — so a longer bar always means better.

Birrong Sefton
Walkability 78 / 85
Birrong — Walkability: 78/100 Sefton — Walkability: 85/100
Safety 48 / 42
Birrong — Safety: 48/100 Sefton — Safety: 42/100
Low fire risk 100 / 100
Birrong — Low fire risk: 100/100 Sefton — Low fire risk: 100/100

Demographics

Sefton has more residents (6,300 vs 3,331).

Birrong Sefton
Population 3,331 6,300
+89% vs other
Population trend (2016 → 2021) +7.3% +8.5%
Median age 36 35
Median household income $81,900/yr
+3% vs other
 $79,456/yr
Median weekly rent $440/wk
+3% vs other
 $425/wk

Age profile

Share of residents in each band, 2021 Census.

Birrong Sefton
0-4 6.3% / 6.1%
Birrong — 0-4: 6.3% Sefton — 0-4: 6.1%
5-14 13.0% / 15.0%
Birrong — 5-14: 13.0% Sefton — 5-14: 15.0%
15-19 7.1% / 7.8%
Birrong — 15-19: 7.1% Sefton — 15-19: 7.8%
20-24 7.4% / 7.9%
Birrong — 20-24: 7.4% Sefton — 20-24: 7.9%
25-34 13.9% / 13.0%
Birrong — 25-34: 13.9% Sefton — 25-34: 13.0%
35-44 12.2% / 12.8%
Birrong — 35-44: 12.2% Sefton — 35-44: 12.8%
45-54 12.2% / 12.4%
Birrong — 45-54: 12.2% Sefton — 45-54: 12.4%
55-64 13.4% / 11.4%
Birrong — 55-64: 13.4% Sefton — 55-64: 11.4%
65-74 8.1% / 7.7%
Birrong — 65-74: 8.1% Sefton — 65-74: 7.7%
75-84 3.9% / 3.6%
Birrong — 75-84: 3.9% Sefton — 75-84: 3.6%
85+ 2.3% / 2.4%
Birrong — 85+: 2.3% Sefton — 85+: 2.4%

Bars are drawn against the largest share shown (15.0%).

Who lives together

Household composition, 2021 Census.

Birrong 52.2% couple families
Birrong — Couple Families: 52.2% Birrong — Lone Person: 21.7% Birrong — One Parent Families: 19.8% Birrong — Group Household: 4.1% Birrong — Other Families: 2.2%
Sefton 52.4% couple families
Sefton — Couple Families: 52.4% Sefton — Lone Person: 22.8% Sefton — One Parent Families: 19.7% Sefton — Group Household: 3.1% Sefton — Other Families: 2.0%
Couple Families Lone Person One Parent Families Group Household Other Families

Who owns and who rents

Occupied private dwellings by tenure, 2021 Census.

Birrong 31.9% renting
Birrong — Owned Outright: 38.7% Birrong — Mortgage: 29.4% Birrong — Renting: 31.9%
Sefton 35.0% renting
Sefton — Owned Outright: 33.0% Sefton — Mortgage: 32.0% Sefton — Renting: 35.0%
Owned outright Mortgage Renting

Qualifications

Highest non-school qualification, residents 15+, 2021 Census.

Birrong Sefton
Bachelor Degree 12.2% / 10.5%
Birrong — Bachelor Degree: 12.2% Sefton — Bachelor Degree: 10.5%
Certificate III & IV 8.3% / 7.8%
Birrong — Certificate III & IV: 8.3% Sefton — Certificate III & IV: 7.8%
Advanced Diploma / Diploma 7.2% / 6.4%
Birrong — Advanced Diploma / Diploma: 7.2% Sefton — Advanced Diploma / Diploma: 6.4%
Postgraduate Degree 3.5% / 3.1%
Birrong — Postgraduate Degree: 3.5% Sefton — Postgraduate Degree: 3.1%
Graduate Diploma / Certificate 1.1% / 0.8%
Birrong — Graduate Diploma / Certificate: 1.1% Sefton — Graduate Diploma / Certificate: 0.8%

Bars are drawn against the largest share shown (12.2%).

Where residents were born

Largest overseas birthplaces, as a share of all residents, 2021 Census. A dash means that country is not among the suburb's own eight largest.

Birrong Sefton
Vietnam 15.7% / 14.0%
Birrong — Vietnam: 15.7% Sefton — Vietnam: 14.0%
Lebanon 4.4% / 7.0%
Birrong — Lebanon: 4.4% Sefton — Lebanon: 7.0%
China 5.9% / 4.5%
Birrong — China: 5.9% Sefton — China: 4.5%
Pakistan 1.2% / 1.6%
Birrong — Pakistan: 1.2% Sefton — Pakistan: 1.6%
Iraq 1.4% / 0.8%
Birrong — Iraq: 1.4% Sefton — Iraq: 0.8%
Afghanistan — / 1.6%
Birrong — Afghanistan: not among its largest Sefton — Afghanistan: 1.6%
Philippines 1.2% / —
Birrong — Philippines: 1.2% Sefton — Philippines: not among its largest

Bars are drawn against the largest share shown (15.7%).

What people live in

Occupied private dwellings by structure, 2021 Census.

Birrong 83.4% houses
Birrong — Houses: 83.4% Birrong — Townhouses: 10.8% Birrong — Flats / Apartments: 5.8%
Sefton 70.0% houses
Sefton — Houses: 70.0% Sefton — Townhouses: 14.0% Sefton — Flats / Apartments: 16.1%
Houses Townhouses Flats / Apartments

Property market

Birrong Sefton
Median house price $1,421,000 $1,405,000
Median unit price $1,110,000 $535,000
Median land price —
same for both
Typical days to sell (houses) 36 days
from 13 sales
 25 days
from 17 sales

House price by bedroom count

Only bed counts both suburbs published enough sales for. Sale counts are shown because the buckets differ in depth.

Birrong Sefton
3 bed $1.41M / $1.4M
Birrong — 3 bed: $1.41M (24 sales) Sefton — 3 bed: $1.4M (21 sales)

24 vs 21 sales

4 bed $1.6M / $1.42M
Birrong — 4 bed: $1.6M (9 sales) Sefton — 4 bed: $1.42M (18 sales)

9 vs 18 sales

5 bed $1.54M / $1.59M
Birrong — 5 bed: $1.54M (11 sales) Sefton — 5 bed: $1.59M (5 sales)

11 vs 5 sales

Zoning mix

Sefton has more industrially zoned land (12% vs 0%).

Birrong Sefton
Residential 65% 68%
Parks and recreation 21% 11%
Infrastructure and transport 13% 6%
Industrial 0% 12%
Commercial 1% 2%
Zoning sets what may be built, not what is there today. A single address can sit in a different zone to the suburb around it. Zones as at 2026-09.

Development activity

Birrong Sefton
New dwellings approved 1,785
across Canterbury-Bankstown
same for both
Approvals change year on year +50%
same for both

Gross rental yield

Gross — before strata, rates, management, insurance and vacancy. From median advertised rents and median asking prices over the last 6 months. How we calculate.

Birrong Sefton
Houses 2.9%
$750/wk on $1.34M
 4.8%
$865/wk on $930K
Units — 6.6%
$630/wk on $500K

Ranking within NSW

Birrong Sefton
House price Higher than 73% of NSW Higher than 72% of NSW
Income Higher than 50% of NSW Higher than 46% of NSW
Schools Higher than 27% of NSW Higher than 93% of NSW
Walkability Higher than 91% of NSW Higher than 94% of NSW
Affordability Higher than 24% of NSW Higher than 23% of NSW
EV adoption Higher than 86% of NSW Higher than 55% of NSW
NBN connectivity Higher than 95% of NSW Higher than 94% of NSW
Rental yield (houses) Higher than 18% of NSW Higher than 95% of NSW
Rental yield (units) — Higher than 99% of NSW

Liveability

Sefton scores higher overall (69 vs 51).

Birrong Sefton
Grade B
same for both
Score 51/100 69/100
Socio-economic band below-average income
decile 3/10
same for both

Risk profile

Birrong Sefton
Bushfire None
0/100
same for both
Crime Moderate
52/100
 Moderate
58/100
Flood Not mapped
no mapped data here
same for both
Coastal erosion None
0/100
same for both
Aircraft noise None
0/100
same for both
Industrial facilities nearby 15
within 5 km
 10
within 5 km

Schools

Birrong Sefton
Inside the suburb 3
same for both
Rated above peers 0 2
Rated at peers 2 0
Rated below peers 1 0
Universities within 10 km 3
Western Sydney University - Bankstown City, 3.3 km
 3
Western Sydney University - Bankstown City, 4.1 km
Full-time students aged 15–24 3.9% 3.6%

Schools in Birrong

  • Birrong Girls High School Government · Secondary at peers
  • Birrong Public School Government · Primary at peers
  • Birrong Boys High School Government · Secondary below peers

Schools in Sefton

  • Immaculate Heart of Mary Catholic Primary School Catholic · Primary above peers
  • Sefton High School Government · Secondary above peers
  • Sefton Infants School Government · Primary

Amenities in the suburb

Birrong Sefton
Supermarkets 1
same for both
Cafes & restaurants 2 0
Parks & reserves 4 2
Childcare 2 6
Pharmacies 1 0
Banks & Bank@Post 1 0
Fuel stations 0 1
Waterways 4
same for both

Mobility

Birrong Sefton
Walkability score 78/100 85/100
Distance to Sydney 24.3 km
+1% vs other
 24 km
Drive time (normal traffic) 32 min 34 min
Public transport score 77/100
Rail · Bus
 92/100
Rail · Bus
Peak arrivals per hour 26.5
7-9am + 5-7pm
 53.8
7-9am + 5-7pm
Median peak wait 1 min
scheduled, not actual
same for both
Electric vehicle share 1.2%
postcode 2143
 0.5%
postcode 2162
Rooftop solar per 100 dwellings 29
postcode 2143
 30
postcode 2162

How people get to work

Method of travel on census day 2021 — which fell during COVID restrictions, so working from home is inflated and every travel mode understated.

Birrong Sefton
Car (driver) 50.5% / 53.2%
Birrong — Car (driver): 50.5% Sefton — Car (driver): 53.2%
Worked from Home 37.1% / 34.3%
Birrong — Worked from Home: 37.1% Sefton — Worked from Home: 34.3%
Train 7.1% / 6.0%
Birrong — Train: 7.1% Sefton — Train: 6.0%
Car (passenger) 3.6% / 4.2%
Birrong — Car (passenger): 3.6% Sefton — Car (passenger): 4.2%
Walked Only 1.4% / 1.5%
Birrong — Walked Only: 1.4% Sefton — Walked Only: 1.5%

Bars are drawn against the largest share shown (53.2%).

Setting

Birrong Sefton
Elevation 35 m
above sea level, at the suburb centre
 39 m
above sea level, at the suburb centre
Distance to the ocean 14.7 km 15.7 km
4.7 km to a named beach

NBN connectivity

Birrong Sefton
Connectivity score 92/100 89/100
Most common technology Fibre to the premises
same for both
Full-fibre (FTTP) share 61%
1,097 premises
 50%
2,234 premises

Climate

Birrong Sefton
Annual rainfall 909 mm
same for both
Summer max (Jan) 28.7°C
same for both
Winter min (Jul) 6.4°C
same for both

Air quality (annual mean)

Birrong Sefton
PM2.5 6.5 µg/m³
same for both
PM10 16.5 µg/m³
same for both
NO₂ 0.9 pphm
same for both

Council rates

Birrong Sefton
Average residential rate $1,322/yr
same for both
Council Canterbury-Bankstown
same for both

Federal electorate

Birrong Sefton
Division Blaxland
same for both
Member Jason Clare
same for both
Party Australian Labor Party
same for both

First Home Owner Grant

Birrong Sefton
Grant amount $10,000
same for both
Property price cap $600,000
same for both
Eligibility New
same for both

Tags

Birrong

Middle-Ring Multicultural Parks River Trains

Sefton

Easy Commute Middle-Ring Multicultural Parks River Transport Hub Urban

More comparisons

Other comparisons with Birrong

Birrong vs Yagoona Birrong vs Regents Park Birrong vs Potts Hill

Other comparisons with Sefton

Sefton vs Auburn Sefton vs Yagoona Sefton vs Chester Hill Sefton vs Bass Hill Sefton vs Regents Park
Full data on Birrong Full data on Sefton
Unlock full address-level data — $29/month

Information shown is provided as-is from Australian government and commercial data sources.
Always verify with the relevant authority before making property decisions.
See Data Sources and How We Calculate for details.

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