NSW 2217 Census 2021 + Live DA Data

Kogarah Bay

Household incomes sit at the 92.6th percentile nationally, giving Kogarah Bay a stronger financial profile than many suburbs. Its median age of 44 is 4 years above the national figure, while 33.8% of residents were born overseas, 12.2 percentage points above the national comparison. Housing is overwhelmingly detached, with separate houses accounting for 95.1% of dwellings. With 2,102 residents across only 0.66 square kilometres, it is compact but family-oriented. Compared with nearby Kogarah and Sans Souci, its identity is more closely tied to detached housing and established households because 46.5% of homes are owned outright and 38.8% have a mortgage.

Local council: Georges River

Kogarah Bay urban fabric map

Population

2,102

Median Age

44.0

Household IncomeiMedian weekly household income (ABS Census)

$2,528/wk

DAs (12 months)iDevelopment Applications lodged in the past year

19

0.66 km²· 3,161.9 people/km²· Family income $2,761/wk

Kogarah Bay suits buyers seeking a conventional family home rather than apartment-led housing. Separate houses account for 95.1% of dwellings, compared with only 0.9% apartments and 4.0% semi-detached homes. Larger floorplans are common: 54.6% of occupied dwellings have 4 or more bedrooms and 36.8% have 3 bedrooms. The typical monthly mortgage repayment is $2,963, while weekly rent is $650. Mortgage repayments equal 27.1% of household income, higher than the 25.7% rent-to-income measure, so borrowing capacity remains important even in a relatively affluent suburb. Ownership is established, with 46.5% of homes owned outright and 38.8% mortgaged. Compared with more apartment-oriented parts of nearby Kogarah, buyers are mainly paying for land, dwelling size and a settled residential setting.

For Buyers

Kogarah Bay suits buyers seeking a conventional family home rather than apartment-led housing. Separate houses account for 95.1% of dwellings, compared with only 0.9% apartments and 4.0% semi-detached homes. Larger floorplans are common: 54.6% of occupied dwellings have 4 or more bedrooms and 36.8% have 3 bedrooms. The typical monthly mortgage repayment is $2,963, while weekly rent is $650. Mortgage repayments equal 27.1% of household income, higher than the 25.7% rent-to-income measure, so borrowing capacity remains important even in a relatively affluent suburb. Ownership is established, with 46.5% of homes owned outright and 38.8% mortgaged. Compared with more apartment-oriented parts of nearby Kogarah, buyers are mainly paying for land, dwelling size and a settled residential setting.

For Investors

The rental market is relatively small, with 13.7% of households renting compared with 46.5% owning outright and 38.8% paying a mortgage. A weekly rent of $650 and a vacancy rate of 4.7% provide useful markers for assessing holding costs and leasing conditions, although the limited rental share may produce a narrower tenant pool than in denser nearby suburbs. The 95.1% separate-house proportion supports a family-house investment strategy rather than a unit-focused one. Twenty development matters were recorded over 12 months, including subdivision, demolition, new dwelling and renovation activity, which may gradually refresh the housing stock. An annual growth trend of 2.15%, driven primarily by overseas migration, is supportive of demand. However, investors should compare purchase costs closely with achievable rent because established detached homes can require more capital than apartments.

Development Activity

Total DAs

145

Last 12 Months

19

YoY ChangeiYear-over-year change in DA lodgements

-32.1%

Avg DA CostiAverage estimated cost per DA in the past year

N/A

Monthly DA Lodgements

DA Categories

Demolition
12
Renovation / Extension
11
Subdivision
7
Multi-Dwelling / Townhouse
7
Other
4
New Dwelling
4
Swimming Pool / Spa
1
Granny Flat / Secondary Dwelling
1

Demographics

Kogarah Bay has an older household profile than the national average: the median age is 44, or 4 years above the national comparison. Average household size is 3.1 people, 0.6 higher than nationally, and couples with children account for 52.8% of families, helping explain the strong demand for 3 and 4-plus-bedroom homes. The suburb is also more internationally connected than the national benchmark, with 33.8% of residents born overseas, 12.2 percentage points above the national figure. Greek ancestry is the largest recorded group at 398 people, followed by English at 299, Chinese at 228 and Italian at 194. Greek is spoken by 130 residents, while Arabic, Macedonian, Cantonese and Mandarin are also represented. Residential stability is high: 83.1% stayed at the same address, compared with a 16.9% turnover rate. Compared with nearby Kogarah, Kogarah Bay presents as older and more settled, with family households shaping its daily character.

Age Distribution

0-14
16.5%
15-24
13.7%
25-44
20.3%
45-64
30.6%
65+
19.1%

Bedrooms

Studio/1br
0.6%
2 bed
8.0%
3 bed
36.8%
4+ bed
54.6%

Dwelling Structure

95.1%

Houses

4.0%

Townhouse

0.9%

Apartment

Tenure

Own 46.5% Mortgage 38.8% Rent 13.7% Other 1.1%

The housing pattern is unusually detached for a compact Sydney suburb. Separate houses make up 95.1% of dwellings, while semi-detached homes account for 4.0% and apartments only 0.9%. This form explains why 54.6% of dwellings contain 4 or more bedrooms and another 36.8% contain 3 bedrooms. Tenure is weighted toward ownership: 46.5% of homes are owned outright and 38.8% are being purchased, together far higher than the 13.7% renting share. The typical mortgage repayment is $2,963 per month, compared with weekly rent of $650. Mortgage costs represent 27.1% of household income, higher than the 25.7% rent-to-income figure, but neither measure is flagged as housing stress. Compared with nearby Kogarah's more apartment-oriented housing environment, Kogarah Bay offers a lower-density, larger-home profile, although the 3,161.9 people per square kilometre density remains high because the suburb covers just 0.66 square kilometres.

Mortgage / mo

$2,963

Rent / wkiMedian weekly rent for new bonds (April to June 2026), NSW Rental Bond Board (DCJ). Census 2021 median: $650.

$750

Bond data Jun 2026 · houses $900 · units $700

HH Size

3.1

Personal Income / wk

$837

Vacancy Ratei% of dwellings unoccupied on Census night (ABS 2021)

4.7%

Unoccupied

33

Rent / IncomeiMedian rent as % of household income. Over 30% = housing stress

25.7%

Mortgage / IncomeiMedian mortgage as % of household income. Over 30% = housing stress

27.1%

Community Profile

Languages Spoken at Home

Greek
130
Arabic
61
Macedon
49
Canton
47
Mandarin
34
Italian
32

Ancestry

Greek
398
English
299
Other
293
Chinese
228
Italian
194
Lebanese
143

Household Composition

52.8%

Couples with children

31.8%

Couples, no children

12.8%

Single parent

595

Total families

Economy & Employment

Kogarah Bay combines high household earnings with a professional and service-based employment base. Weekly household income is $2,528, placing the suburb at the 92.6th percentile, while the largest industries are healthcare at 14.8% or 104 workers, professional and technical services at 12.8% or 90, education at 10.0% or 70, finance at 9.8% or 69, and construction at 8.8% or 62. The occupational mix is led by professionals at 280 people, clerical and administrative workers at 185, managers at 179, sales workers at 104 and trades at 92. Unemployment is 3.8%, below what would be expected in a weaker labour market, with a 58.1% participation rate and 54.1% full-time employment rate. Socioeconomic measures are uneven: IEO is in decile 8 and IRSAD in decile 7, both above IRSD and IER at decile 5. That contrast points to strong education, occupation and income outcomes alongside more mixed disadvantage indicators. Healthcare, professional services and finance help underpin the suburb's higher-than-average income position.

Unemployment

3.8%

Labour Force

1,023

Unemployed

39

Source: ABS Census 2021

Socio-Economic Indexes (SEIFA)iABS index ranking suburbs from 1 (most disadvantaged) to 10 (most advantaged)

Overall advantage
7
Disadvantage
5
Economic resources
5
Education & occupation
8

Full-time

54.1%

Part-time

30.4%

Participation

58.1%

Employed

984

Full-time and part-time are shares of the employed. Source: ABS Census 2021

Occupations

Professionals 280
Clerical/Admin 185
Managers 179
Sales 104
Trades 92
Community/Personal 51
Labourers 42
Machinery/Drivers 32

Top Industries

Healthcare 14.8%
Professional/Tech 12.8%
Education 10.0%
Finance 9.8%
Construction 8.8%

University

46.5%

Postgraduate

12.7%

Born Overseas

33.8%

Dwellings

674

Transport to Work

Kogarah Bay provides a compact residential setting with a strong work-from-home pattern. Half of residents, 50.3%, work from home, far higher than the 2.0% who report public transport as their main travel mode. Driving remains the leading recorded option at 43.4%, higher than walking or cycling at 1.1%, suggesting that daily convenience is shaped more by private vehicles and home-based work than by active transport. The suburb's 3,161.9 people per square kilometre density makes local access important, while its 0.66 square kilometre footprint keeps the residential area concentrated. Families should check school enrolment zones against the exact address and confirm current sector and year-level options before committing, because school access can vary across boundaries. Socioeconomic conditions are mixed but generally solid: IRSAD sits in decile 7, above IRSD in decile 5, and IEO reaches decile 8. No crime rate is stated, so current street-level safety information should be checked before renting or buying.

Drive

43.4%

Public Transport

2.0%

Walk / Cycle

1.1%

Work from Home

50.3%

Growth Outlook

Kogarah Bay has an established profile but continues to record positive momentum. The annual growth trend is 2.15%, with overseas migration identified as the primary driver. Across the wider area, population change runs at 35.8% over 10 years, while the trajectory is classified as Mixed rather than uniformly accelerating. Gentrification is at an Active stage, with a score of 42, and the related shift measure records a score of 45. This pattern reflects a suburb where established detached housing is being renewed without a complete change in identity. Rent growth of 25.4% has increased pressure on tenants, although real income growth of 26.2% has moved in the opposite direction. Affordability improved from 63.5 in 2011 to 51.3 in 2021, so the direction is described as improving even though the later score is lower. Growth is likely to remain linked to migration and housing turnover because the area has limited land, high density and 20 recent development matters.

Population trend: Georges River council area

Kogarah Bay sits in the Georges River council area. These are the council area's residents, not Kogarah Bay's.

Residents 2025

163,919

Growth, 5 yr average

+1.0%/yr

2020 to 2025

Growth, last year

+1.4%

2024 to 2025

ABS Estimated Resident Population by LGA, 30 June each year; council area, not this suburb

National Ranking iPercentile rank among ~15,000 AU suburbs. 90% = higher than 90% of suburbs

How Kogarah Bay compares to ~15,000 Australian suburbs

Population
Top 21%
Household Income
Top 7%
Rent Level
Top 1%
Apartments
Top 21%
Renters
Bottom 46%
Uni Educated
Top 12%
Public Transport
Bottom 42%
Born Overseas
Top 10%
Density
Top 3%

Frequently Asked Questions

Is Kogarah Bay a good suburb to live in?

Kogarah Bay may suit households wanting established detached housing, larger floorplans and a settled environment. Separate houses make up 95.1% of dwellings, the median age is 44, and 50.3% of residents work from home. Buyers should weigh those strengths against a compact 0.66 square kilometre footprint and density of 3,161.9 people per square kilometre.

What is the median house price in Kogarah Bay?

Check recent settled sales for the current median house price, especially because 95.1% of dwellings are separate houses and 54.6% contain 4 or more bedrooms. The typical mortgage repayment is $2,963 per month, while weekly rent is $650, so affordability should be tested against both dwelling price and household income.

What schools are in Kogarah Bay?

Check the exact address with the relevant enrolment authority for current local school options, catchments and sector availability. Kogarah Bay has an average household size of 3.1 people and couples with children represent 52.8% of families, so school access can materially affect a household's buying or renting decision.

Is Kogarah Bay safe?

Review current police and council information for street-level safety conditions before renting or buying. Kogarah Bay has 2,102 residents and a density of 3,161.9 people per square kilometre, so local conditions and activity can differ across a compact area. A property inspection at different times of day is also sensible.

Is Kogarah Bay good for property investment?

Kogarah Bay may appeal to investors targeting detached family housing, with 95.1% separate houses, weekly rent of $650 and a 4.7% vacancy rate. The rental share is 13.7%, lower than outright ownership at 46.5%, and 20 recent development matters indicate ongoing housing turnover. Compare purchase costs carefully with achievable rent.

How is Kogarah Bay's population changing?

Growth is positive but mixed. The annual trend is 2.15%, overseas migration is the primary driver, and population change across the wider area is 35.8% over 10 years. Gentrification is classified as Active with a score of 42, while the related shift score is 45, indicating continued change alongside an established housing base.

What languages are spoken in Kogarah Bay?

Greek is the most common listed language, spoken by 130 residents, followed by Arabic at 61, Macedonian at 49, Cantonese at 47 and Mandarin at 34. Overall, 33.8% of residents were born overseas, which is 12.2 percentage points above the national comparison and contributes to the suburb's strong international connections.

How to read these comparisons

Phrases like "above the national average" reference the unweighted median across Australian suburbs with more than 1,000 residents, not population-weighted national figures. Suburb-level medians are more useful for ranking suburbs against each other; ABS census headlines are population-weighted (so dominated by Sydney and Melbourne) and can read very differently.

Current baseline (refreshed 2026-05-10): median age 40, university-educated 30.1%, born overseas 21.6%, average household size 2.5 people.

Data sources: ABS 2021 Census (demographics, income, tenure), state education open registers (school locations), state Crime Statistics agencies (offences), council DA portals (development applications).

Explore Kogarah Bay on the Map

View parcels, zoning overlays, DA applications, schools and more.

Open Interactive Map

More Suburbs in NSW