NSW 2147 Census 2021 + Live DA Data

Kings Langley

Kings Langley stands out as a 94.0% separate-house suburb with 9,354 residents, household income at the 91.8th percentile and a median age of 41. That combination puts it above the national position on household income, while age is 1.0 year higher than the national comparison. Couples with children make up 53.9% of families, reinforcing its mortgage-belt character. Compared with nearby Blacktown, Kings Langley is more strongly shaped by detached homes and stable households, while its 85.9% resident-stay rate points to continuity. Overseas-born residents account for 28.9%, 7.3 percentage points above the national comparison.

Kings Langley urban fabric map

Population

9,354

Median Age

41.0

Household IncomeiMedian weekly household income (ABS Census)

$2,457/wk

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

76

3.67 km²· 2,550.9 people/km²· Family income $2,694/wk

For buyers, Kings Langley is a family-house market: 94.0% of dwellings are separate houses and 62.3% have 4 or more bedrooms, so the stock suits households needing space more than apartment buyers. The monthly mortgage figure is $2,579, while mortgage costs equal 24.2% of household income and mortgage stress is not flagged. Compared with renting at 12.6%, ownership is dominant, with 38.8% owning outright and 47.6% paying a mortgage. The median age of 41 and average household size of 3.0 further support demand for larger homes.

For Buyers

For buyers, Kings Langley is a family-house market: 94.0% of dwellings are separate houses and 62.3% have 4 or more bedrooms, so the stock suits households needing space more than apartment buyers. The monthly mortgage figure is $2,579, while mortgage costs equal 24.2% of household income and mortgage stress is not flagged. Compared with renting at 12.6%, ownership is dominant, with 38.8% owning outright and 47.6% paying a mortgage. The median age of 41 and average household size of 3.0 further support demand for larger homes.

For Investors

Investors face a low-rental-share market: only 12.6% of dwellings are rented, compared with 38.8% owned outright and 47.6% mortgaged. The weekly rent is $500 and vacancy is 3.6%, a combination that suggests tenants have a limited local pool of homes, although yield depends on the purchase price and costs. Development activity reached 77 applications in 12 months, so additions and renovations may lift competition for tenants over time. Growth is slow at 0.25% annually and is driven primarily by overseas migration, making Kings Langley more an established owner-occupier market than a rapid-growth play.

Development Activity

Total DAs

414

Last 12 Months

76

YoY ChangeiYear-over-year change in DA lodgements

+11.8%

Avg DA CostiAverage estimated cost per DA in the past year

N/A

Monthly DA Lodgements

DA Categories

Renovation / Extension
50
Demolition
23
Granny Flat / Secondary Dwelling
20
New Dwelling
16
Swimming Pool / Spa
16
Other
5
Subdivision
4
Multi-Dwelling / Townhouse
4

Schools in Kings Langley

Open-register school locations for education access. This is not a school-quality ranking.

Kings Langley Public School

Primary School Government
School website

Demographics

Kings Langley has a median age of 41, 1.0 year above the national comparison, and an average household size of 3.0, 0.5 above the national figure. Families are central: 53.9% of families are couples with children, versus 33.2% couples without children, while one-parent families account for 12.0%. The overseas-born share is 28.9%, 7.3 percentage points above national comparison, with English ancestry recorded in 2,873 responses and Chinese ancestry in 667. Mandarin is the most common listed non-English language at 141, ahead of Canton at 62. Compared with nearby Glenwood, Kings Langley has an older trajectory, shown by a 4.0-point rise in senior share and a 1.1-point fall in young share.

Age Distribution

0-14
19.8%
15-24
11.9%
25-44
24.0%
45-64
25.4%
65+
18.8%

Bedrooms

Studio/1br
2.0%
2 bed
2.6%
3 bed
33.2%
4+ bed
62.3%

Dwelling Structure

94.0%

Houses

4.6%

Townhouse

1.3%

Apartment

Tenure

Own 38.8% Mortgage 47.6% Rent 12.6% Other 1.0%

Kings Langley's housing profile is strongly detached: 94.0% of dwellings are separate houses, 4.6% are semi-detached and 1.3% are apartments. Four-plus-bedroom homes account for 62.3%, compared with 33.2% for three-bedroom dwellings, explaining why the suburb suits larger households and why its 3.0-person average household size is material. Tenure is also mortgage-led, with 47.6% paying a mortgage, 38.8% owning outright and 12.6% renting. Mortgage costs absorb 24.2% of household income, higher than the 20.4% rent-to-income figure, yet neither stress flag is active. Compared with nearby Blacktown, the housing pattern is more strongly oriented to detached family stock.

Mortgage / mo

$2,579

Rent / wkiMedian weekly rent for new bonds (April to June 2026), NSW Rental Bond Board (DCJ). Census 2021 median: $500.

$650

Bond data Jun 2026 · houses $650 · units $610

HH Size

3.0

Personal Income / wk

$955

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

3.6%

Unoccupied

116

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

20.4%

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

24.2%

Community Profile

Languages Spoken at Home

Mandarin
141
Canton
62
Arabic
61
Hindi
58
Italian
53
Korean
46

Ancestry

English
2,873
Other
1,397
Irish
889
Scottish
725
Chinese
667
Italian
473

Household Composition

53.9%

Couples with children

33.2%

Couples, no children

12.0%

Single parent

2,714

Total families

Economy & Employment

Household income is $2,457 a week, placing Kings Langley at the 91.8th percentile nationally, while personal income is $955 and family income is $2,694. Employment is relatively steady, with unemployment at 3.8%, participation at 63.7% and 58.0% employed full time. Healthcare leads local industry at 15.1% of jobs, followed by Education at 13.8%, Construction and Professional/Tech at 10.0% each, and Public Administration at 8.7%. Professionals number 1,260, ahead of Clerical/Admin at 750 and Managers at 735. SEIFA IEO and IER are each decile 6, IRSAD is decile 6, while IRSD is lower at decile 5, showing stronger economic resources than some broader disadvantage measures.

Unemployment

3.8%

Labour Force

4,778

Unemployed

181

Source: ABS Census 2021

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

Overall advantage
6
Disadvantage
5
Economic resources
6
Education & occupation
6

Full-time

58.0%

Part-time

26.8%

Participation

63.7%

Employed

4,597

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

Occupations

Professionals 1,260
Clerical/Admin 750
Managers 735
Trades 623
Community/Personal 390
Sales 331
Labourers 232
Machinery/Drivers 202

Top Industries

Healthcare 15.1%
Education 13.8%
Construction 10.0%
Professional/Tech 10.0%
Public Admin 8.7%

University

41.3%

Postgraduate

11.1%

Born Overseas

28.9%

Dwellings

3,096

Transport to Work

Daily life is car-oriented: 42.4% drive to work, only 1.6% use public transport and 0.7% walk or cycle, while 52.6% work from home. The local school mix includes 1 government primary school; check enrolment zones against the exact address and compare nearby options by sector and type. The IRSAD score is 1,012 in decile 6, above the IRSD decile 5, indicating stronger resources than disadvantage measures alone suggest. For safety, check current NSW Police information and visit the exact streets at different times, as conditions can vary within a suburb. With 3.67 square kilometres and density of 2,550.9 people per square kilometre, services are relatively concentrated compared with a low-density fringe suburb.

Drive

42.4%

Public Transport

1.6%

Walk / Cycle

0.7%

Work from Home

52.6%

Population Forecast

+0.25%/yr

(+66 people/yr)

Established

Kings Langley is an established, slow-growth suburb: the forecast trend is 0.25% a year, while population change across the wider area is 5.8% over 10 years. Overseas migration is the primary growth driver, but the shift trajectory is Aging, with senior share up 4.0 percentage points and young share down 1.1 points. Affordability is labelled Stable, moving from 46.1 in 2011 to 46.6 in 2021, while rent growth reached 38.2%. Gentrification is rated Not gentrifying with a score of 10, despite a separate shift score of 33 marked Early signs. Together, these signals point to gradual renewal rather than a rapid demographic or development surge.

Historical + Forecast

Hamilton-Perry + Holt smoothing on ERP 2001-2025

Age Cohort Forecast

Primary Driver

Overseas Migration

Net Overseas / yr

+276

Net Internal / yr

-293

10

Gentrification Signal

Not gentrifying

Net internal outflow -293/yr, Strong overseas inflow +276/yr

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

How Kings Langley compares to ~15,000 Australian suburbs

Population
Top 5%
Household Income
Top 8%
Rent Level
Top 6%
Apartments
Top 19%
Renters
Bottom 43%
Uni Educated
Top 17%
Public Transport
Bottom 34%
Born Overseas
Top 15%
Density
Top 5%

Frequently Asked Questions

Is Kings Langley a good suburb to live in?

Kings Langley suits households wanting detached space and a settled routine. Separate houses account for 94.0% of dwellings, couples with children represent 53.9% of families, and 52.6% work from home. Household income sits at the 91.8th percentile nationally, although public transport use is only 1.6%, so car dependence matters.

What is the median house price in Kings Langley?

Use recent settled sales and current listings to establish the median house price before making an offer. Kings Langley is dominated by 94.0% separate houses, and 62.3% of dwellings have 4 or more bedrooms, so the local mix can differ from broader benchmarks. Check comparable streets and home sizes rather than relying on one headline figure.

What schools are in Kings Langley?

One government primary school is located in Kings Langley. Check the exact enrolment zone and nearby secondary options before signing a contract, because access can change by address. The suburb's median age is 41, reflecting established family demand, but school suitability should be assessed from the current catchment and each school's offerings.

Is Kings Langley safe?

Treat safety as an address-level question: review current NSW Police incident information, inspect lighting and street activity, and compare nearby roads at different times. Kings Langley has 9,354 residents across 3.67 square kilometres, so conditions can vary within a compact suburb. Do not rely on the family-oriented housing profile alone as a safety measure.

Is Kings Langley good for property investment?

Kings Langley can suit an investor targeting established detached homes, but the rental pool is small: 12.6% of dwellings are rented, weekly rent is $500 and vacancy is 3.6%. Development activity reached 77 applications in 12 months. Annual growth is only 0.25%, so the case depends more on tenant demand, purchase price and holding costs than rapid appreciation.

How is Kings Langley's population changing?

Population change across the wider area is 5.8% over 10 years, while the forecast trend is 0.25% annually. Overseas migration is the primary driver, but the trajectory is Aging: senior share rose 4.0 percentage points and young share fell 1.1 points. That points to gradual change rather than a fast-growing family influx.

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). Population forecasts use a Hamilton-Perry cohort model calibrated to ABS ERP.

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