Knox

Victoria · Melbourne - Outer East · 160,135 people · 14 suburbs · 9 postcodes

Knox at a glance

160,135
Population
#13 of 79 in VIC
132
km² area
1,210/km² density
40.4
Median age
+1.3 vs VIC
$1,916
Median HH income/wk
#20 of 79 in VIC
1029
SEIFA IRSAD
#23 of 79 in VIC
50
Schools
33 gov, 10 Cath, 7 indep
32.9%
Born overseas
21.9%
Renting

Map shows the Knox 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.

Knox is a metropolitan Local Government Area in Victoria, in the Melbourne region. It covers 14 suburbs across 9 postcodes and an area of 132 km². Knox has a population of 160,135 , ranking #13 most populous in VIC. The most populous suburb is Rowville (33,571 residents), and the highest median household income is in Lysterfield at $2,754/week. The LGA-wide median household income is $1,916/week and median age is 40.4. About 32.9% of residents were born overseas and 28.6% speak a language other than English at home.

Who lives here

Age structure

0–14 (17.1%) 15–24 (11.9%) 25–44 (26.7%) 45–64 (26.5%) 65+ (17.9%)
Show counts
0–14 years27,320 (17.1%)
15–24 years19,093 (11.9%)
25–44 years42,780 (26.7%)
45–64 years42,377 (26.5%)
65+ years28,589 (17.9%)
32.9%
Born overseas
28.6%
Speak a language other than English at home
0.6%
First Nations
2.7
Avg household size

How they live

Housing tenure

Owned outright (35.5%) Mortgaged (42.6%) Renting (21.9%)

Dwelling type mix

Separate house (87.9%) Semi/townhouse (10.5%) Flat/apartment (1.6%)
$410
Median weekly rent
$2,009
Median monthly mortgage
34.8%
Households with 0-1 cars
65.2%
Households with 2+ cars

Work and learning

4.4%
Unemployment rate
49,507
In full-time work
27,688
In part-time work

Schools in Knox

50 schools across Knox: 66.0% Government, 20.0% Catholic, 14.0% Independent. The VIC average is 68.6% / 21.4% / 10.0%. Schools here have a median ICSEA of 1052 (range 972 to 1166). VIC median is 1027; national mean is 1000.

Sector mix

VIC average for comparison
Government Catholic Independent

Type breakdown

Primary (68.0%) Secondary (16.0%) Combined (12.0%) Special (4.0%)

ICSEA range

700 National mean 1000 1300
LGA median 1052 VIC median 1027LGA range 972 to 1166

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 50 schools in Knox, sorted by enrolment:

School Sector Type Suburb Students ICSEA
Waverley Christian College Independent Combined Wantirna South 2,370 1141
Rowville Secondary College Government Secondary Rowville 1,887 1028
Wantirna College Government Secondary Wantirna 1,458 1031
St Joseph's College Catholic Secondary Ferntree Gully 991 1052
The Knox School Independent Combined Wantirna South 764 1159
Templeton Primary School Government Primary Wantirna 720 1136
St Andrews Christian College Independent Combined Wantirna South 719 1166
The Basin Primary School Government Primary The Basin 583 1042
Regency Park Primary School Government Primary Wantirna 537 1068
Park Ridge Primary School Government Primary Rowville 527 1067
Boronia Heights Primary School Government Primary Boronia 507 1051
Boronia K-12 College Government Combined Boronia 494 982
Lysterfield Primary School Government Primary Lysterfield 482 1064
Knox Gardens Primary School Government Primary Wantirna South 458 1112
Rowville Primary School Government Primary Rowville 439 1060
Mountain Gate Primary School Government Primary Ferntree Gully 432 1072
Karoo Primary School Government Primary Rowville 422 1086
Fairhills High School Government Secondary Knoxfield 404 994
St Simon's School Catholic Primary Rowville 366 1087
Bayswater South Primary School Government Primary Bayswater 339 1099
Heany Park Primary School Government Primary Rowville 314 1090
Knox Park Primary School Government Primary Knoxfield 312 1061
Ferntree Gully North Primary School Government Primary Ferntree Gully 289 1055
St Jude the Apostle School Catholic Primary Scoresby 271 1083
Bayswater Secondary College Government Secondary Bayswater 256 972
St Bernadette's Catholic Primary School Catholic Primary The Basin 255 1069
Wattle View Primary School Government Primary Ferntree Gully 247 1006
Scoresby Secondary College Government Secondary Scoresby 244 1003
Wantirna South Primary School Government Primary Wantirna South 233 1074
Bayswater West Primary School Government Primary Bayswater 223 1003
St John the Baptist School Catholic Primary Ferntree Gully 221 1075
Holy Trinity School Catholic Primary Wantirna South 210 1083
Eastern Ranges School Government Special Ferntree Gully 200 1031
Kent Park Primary School Government Primary Ferntree Gully 197 1012
Heritage College Knox Independent Combined Ferntree Gully 183 1059
St Luke's School Catholic Primary Wantirna 165 1098
Bayswater Primary School Government Primary Bayswater 155 1024
Scoresby Primary School Government Primary Scoresby 136 1013
St Joseph's Primary School Catholic Primary Boronia 129 1086
Fairhills Primary School Government Primary Ferntree Gully 104 1004
Urban College Independent Secondary Boronia 100 975
Our Lady of Lourdes School Catholic Primary Bayswater 85 1003
Upper Ferntree Gully Primary School Government Primary Upper Ferntree Gully 80 1038
Fernbrook School Independent Combined The Basin 78 1049
Knox Central Primary School Government Primary Boronia 75 1018
St Mary's College for the Deaf Catholic Special Wantirna South 75 1028
Darrang Primary School Government Primary Knoxfield 64 974
Wantirna Primary School Government Primary Wantirna 53 1031
Dillbadin Primary School Government Primary Boronia 35 977
The Avenue School Independent Secondary Ferntree Gully 21 999

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 Knox. Higher scores indicate more advantage; the national mean is 1000.

IRSAD

Relative socio-economic advantage and disadvantage

1029
Ranked #23 of 79 VIC LGAs

IRSD

Relative disadvantage only (lower = more disadvantaged)

1042

IER

Economic resources: income, wealth, housing

1041

IEO

Education and occupation: qualifications, skill levels

1022

Suburbs in Knox

Knox contains 14 suburbs and 9 postcodes. Sorted by population.

SuburbPostcodePopulationMedian incomeMedian age
Rowville 3178 33,571 $2,205/wk 41
Ferntree Gully 3156 27,398 $1,770/wk 40
Boronia 3155 23,607 $1,619/wk 39
Wantirna South 3152 20,754 $1,915/wk 42
Wantirna 3152 14,237 $1,886/wk 41
Bayswater 3153 12,262 $1,598/wk 38
Knoxfield 3180 7,645 $1,762/wk 41
Lysterfield 3156 6,681 $2,754/wk 41
Scoresby 3179 6,066 $1,965/wk 40
The Basin 3154 4,497 $2,019/wk 40
Upper Ferntree Gully 3156 3,417 $2,039/wk 41
Knox City Centre 3152
Sassafras Gully 3787
Studfield 3152

Postcodes covered

3152, 3153, 3154, 3155, 3156, 3178, 3179, 3180, 3787

Compare Knox with neighbouring LGAs

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

LGA Population Median age Median HH income SEIFA IRSAD % renting % overseas-born
Knox (VIC) 160,135 40.4 $1,916/wk 1029 21.9% 32.9%
Yarra Ranges 156,237 40.3 $1,900/wk 1013 14.5% 16.9%
Maroondah 112,799 39.5 $1,912/wk 1035 24.9% 25.3%
Casey 364,907 34.5 $1,932/wk 986 23.9% 42.1%
Monash 191,721 38.8 $1,898/wk 1065 31.0% 50.5%
Whitehorse 167,539 39.4 $1,855/wk 1066 30.2% 41.9%

Services and amenities

NDIS Providers NDIS provider directory for Knox Climate & weather Climate data for Rowville

Frequently asked questions about Knox

What is the population of Knox?

The 2021 Census recorded 160,135 people living in Knox, across 14 suburbs.

What suburbs are in Knox?

Knox contains 14 suburbs. The most populous are Rowville, Ferntree Gully, Boronia, Wantirna South, Wantirna.See the full list in the Suburbs section above.

What postcodes are in Knox?

Knox covers 9 postcodes: 3152, 3153, 3154, 3155, 3156, 3178, 3179, 3180, 3787.

What is the median household income in Knox?

The population-weighted median household income across Knox is $1,916 per week (2021 Census), ranking #20 of 79 VIC LGAs.

How many schools are in Knox?

Knox has 50 schools, including 33 government, 10 Catholic, and 7 independent schools (ACARA 2025).

What is the SEIFA score for Knox?

Knox has a population-weighted SEIFA IRSAD score of 1029, where the national average is 1000. Higher scores indicate more relative advantage.

Page last reviewed . 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.