Blue Mountains

New South Wales · Sydney - Outer West and Blue Mountains · 78,162 people · 38 suburbs · 17 postcodes

Blue Mountains at a glance

78,162

Population

#32 of 130 in NSW

412

km² area

190/km² density

45.3

Median age

+5.6 vs NSW

1042

SEIFA IRSAD

#27 of 130 in NSW

Schools

23 gov, 5 Cath, 8 indep

17.4%

Born overseas

18.2%

Renting

Map shows the Blue Mountains LGA boundary in blue with a marker per suburb. Hover for suburb name, click for details.

Marker colour reflects SEIFA IRSAD decile: ● 1-2 (most disadvantaged), ● 3-4, ● 5-6, ● 7-8, ● 9-10 (most advantaged).

Boundary source: ABS ASGS 2021. Map tiles: OpenStreetMap contributors.

Federal electorate boundaries can be toggled on the map. Boundary source: ABS ASGS 2021 CED boundaries.

Blue Mountains is a metropolitan Local Government Area in New South Wales, in the Sydney region. It covers 38 suburbs across 17 postcodes and an area of 412 km². Blue Mountains has a population of 78,162 , ranking #32 most populous in NSW. The most populous suburb is Springwood (8,423 residents).About 17.4% of residents were born overseas and 6.5% speak a language other than English at home.

Who lives here

Age structure

17.4%

10.4%

21.4%

28.4%

22.4%

0–14 (17.4%) 15–24 (10.4%) 25–44 (21.4%) 45–64 (28.4%) 65+ (22.4%)

Show counts

0–14 years	13,619 (17.4%)
15–24 years	8,097 (10.4%)
25–44 years	16,697 (21.4%)
45–64 years	22,179 (28.4%)
65+ years	17,525 (22.4%)

17.4%

Born overseas

6.5%

Speak a language other than English at home

2.7%

First Nations

2.5

Avg household size

How they live

Housing tenure

42.0%

39.8%

18.2%

Owned outright (42.0%) Mortgaged (39.8%) Renting (18.2%)

Dwelling type mix

95.1%

Separate house (95.1%) Semi/townhouse (3.0%) Flat/apartment (1.9%)

$412

Median weekly rent

$2,050

Median monthly mortgage

43.4%

Households with 0-1 cars

56.6%

Households with 2+ cars

Work and learning

3.9%

Unemployment rate

19,218

In full-time work

12,817

In part-time work

Schools in Blue Mountains

36 schools across Blue Mountains: 63.9% Government, 13.9% Catholic, 22.2% Independent. The NSW average is 69.6% / 16.9% / 13.5%. Schools here have a median ICSEA of 1054 (range 976 to 1140). NSW median is 1005; national mean is 1000.

Sector mix

63.9%

13.9%

22.2%

NSW average for comparison

69.6%

16.9%

13.5%

Government Catholic Independent

Type breakdown

66.7%

13.9%

16.7%

Primary (66.7%) Secondary (13.9%) Combined (16.7%) Special (2.8%)

ICSEA range

700 National mean 1000 1300

LGA median 1054 NSW median 1005LGA range 976 to 1140

ICSEA (Index of Community Socio-Educational Advantage) summarises the socio-economic background of each school's families. Higher values indicate more advantage. Source: ACARA 2025.

All 36 schools in Blue Mountains, sorted by enrolment:

School	Sector	Type	Suburb	Students	ICSEA
St Columba's Catholic College	Catholic	Secondary	Springwood	1,112	1088
Blaxland High School	Government	Secondary	Blaxland	998	1065
Katoomba High School	Government	Secondary	Katoomba	862	1034
Winmalee High School	Government	Secondary	Winmalee	698	1040
Wycliffe Christian School	Independent	Combined	Warrimoo	586	1100
Springwood High School	Government	Secondary	Springwood	566	1027
Blue Mountains Grammar School	Independent	Combined	Wentworth Falls	512	1140
Blaxland East Public School	Government	Primary	Blaxland East	379	1068
Springwood Public School	Government	Primary	Springwood	370	1059
Wentworth Falls Public School	Government	Primary	Wentworth Falls	370	1074
Faulconbridge Public School	Government	Primary	Faulconbridge	368	1063
St Thomas Aquinas Primary School	Catholic	Primary	Springwood	368	1095
Winmalee Public School	Government	Primary	Winmalee	359	1043
Hazelbrook Public School	Government	Primary	Hazelbrook	356	1044
Glenbrook Public School	Government	Primary	Glenbrook	338	1120
Ellison Public School	Government	Primary	Springwood	283	1051
Korowal School	Independent	Combined	Hazelbrook	259	1084
Blackheath Public School	Government	Primary	Blackheath	254	1050
Mount Riverview Public School	Government	Primary	Mount Riverview	231	1050
Katoomba Public School	Government	Primary	Katoomba	210	1035
Leura Public School	Government	Primary	Leura	199	1055
Lawson Public School	Government	Primary	Lawson	196	1000
Mountains Christian College	Independent	Combined	Blackheath	169	1040
St Finbar's Primary School	Catholic	Primary	Glenbrook	166	1110
Lapstone Public School	Government	Primary	Glenbrook	158	1113
Warrimoo Public School	Government	Primary	Warrimoo	146	1052
Blaxland Public School	Government	Primary	Blaxland	137	1068
Katoomba North Public School	Government	Primary	Katoomba	128	986
Our Lady of The Nativity Primary School	Catholic	Primary	Lawson	115	1076
Kindlehill School	Independent	Combined	Wentworth Falls	114	1077
OneSchool Global NSW - Mount Victoria	Independent	Combined	Mount Victoria	87	976
Blue Mountains Steiner School	Independent	Primary	Hazelbrook	69	1073
St Canice's Primary School	Catholic	Primary	Katoomba	67	1020
Mount Victoria Public School	Government	Primary	Mount Victoria	56	1039
Wycliffe Hope School	Independent	Special	Warrimoo	39	1037
Megalong Public School	Government	Primary	Megalong Valley	3	1046

Source: ACARA School Profiles 2025. ICSEA shown where reported; some schools (notably small primaries) do not publish ICSEA.

SEIFA socio-economic indexes

SEIFA 2021 ranks Australian areas across four dimensions. Scores are population-weighted averages of suburb-level SEIFA scores within Blue Mountains. Higher scores indicate more advantage; the national mean is 1000.

IRSAD

Relative socio-economic advantage and disadvantage

1042

Ranked #27 of 130 NSW LGAs

IRSD

Relative disadvantage only (lower = more disadvantaged)

1048

IER

Economic resources: income, wealth, housing

1039

IEO

Education and occupation: qualifications, skill levels

1064

Suburbs in Blue Mountains

Blue Mountains contains 38 suburbs and 17 postcodes. Sorted by population.

Suburb	Postcode	Population	Median income	Median age
Springwood	2777	8,423	$1,778/wk	48
Katoomba	2780	8,268	$1,171/wk	48
Blaxland	2774	7,434	$2,171/wk	41
Wentworth Falls	2782	6,428	$1,528/wk	50
Winmalee	2777	6,388	$2,147/wk	40
Glenbrook	2773	5,078	$2,502/wk	44
Hazelbrook	2779	5,077	$1,794/wk	41
Blackheath	2785	4,672	$1,332/wk	53
Leura	2780	4,503	$1,369/wk	55
Faulconbridge	2776	4,156	$2,152/wk	40
Mount Riverview	2774	3,074	$2,248/wk	40
Lawson	2783	2,651	$1,519/wk	45
Warrimoo	2774	2,452	$2,382/wk	38
Woodford	2463	1,953	$1,913/wk	44
Bullaburra	2784	1,300	$1,765/wk	45
Valley Heights	2777	1,188	$2,144/wk	44
Yellow Rock	2527	1,119	$2,635/wk	42
Lapstone	2773	948	$2,339/wk	44
Mount Victoria	2786	945	$1,197/wk	49
Medlow Bath	2780	569	$1,312/wk	52
Linden	2778	471	$2,039/wk	47
Hawkesbury Heights	2777	468	$2,279/wk	35
Sun Valley	2777	234	$2,374/wk	47
Megalong Valley	2785	148	$2,042/wk	52
Mount Wilson	2786	81	$2,250/wk	62
Mount Tomah	2758	68	$2,125/wk	57
Bell	2786	44	$1,149/wk	41
Mount Irvine	2786	22	$899/wk	67
Beloon	2787
Bimlow	2787
Bindook	2787
Blaxland East	2774
Jenolan Caves	2790
Jooriland	2787
Kedumba	2782
Kowmung	2787
Oaky Park	2790
Yosemite	2780

Postcodes covered

2463, 2527, 2758, 2773, 2774, 2776, 2777, 2778, 2779, 2780, 2782, 2783, 2784, 2785, 2786, 2787, 2790

Compare Blue Mountains with neighbouring LGAs

Side-by-side demographic and socio-economic snapshot of Blue Mountains and its closest neighbouring LGAs.

LGA	Population	Median age	SEIFA IRSAD	% renting	% overseas-born
Blue Mountains (NSW)	78,162	45.3	1042	18.2%	17.4%
Lithgow	20,553	45.9	911	25.5%	10.0%
Penrith	218,758	35.3	982	34.2%	23.2%
Wollondilly	54,048	37.5	1020	17.0%	11.1%
Hawkesbury	68,064	39.1	1009	24.6%	13.2%
Oberon	5,074	47.8	939	22.9%	10.9%

Services and amenities

NDIS Providers NDIS provider directory for Blue Mountains Climate & weather Climate data for Springwood

Frequently asked questions about Blue Mountains

What is the population of Blue Mountains?

The 2021 Census recorded 78,162 people living in Blue Mountains, across 38 suburbs.

What suburbs are in Blue Mountains?

Blue Mountains contains 38 suburbs. The most populous are Springwood, Katoomba, Blaxland, Wentworth Falls, Winmalee.See the full list in the Suburbs section above.

What postcodes are in Blue Mountains?

Blue Mountains covers 17 postcodes: 2463, 2527, 2758, 2773, 2774, 2776, 2777, 2778, 2779, 2780, 2782, 2783, 2784, 2785, 2786, 2787, 2790.

How many schools are in Blue Mountains?

Blue Mountains has 36 schools, including 23 government, 5 Catholic, and 8 independent schools (ACARA 2025).

What is the SEIFA score for Blue Mountains?

Blue Mountains has a population-weighted SEIFA IRSAD score of 1042, where the national average is 1000. Higher scores indicate more relative advantage.

Page last reviewed June 2026. Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 (IRSD, IRSAD, IER, IEO), ACARA School Profiles 2025, ABS ASGS 2021 LGA boundaries. How this data is sourced.