Nillumbik
Victoria · Melbourne - North East · 59,490 people · 23 suburbs · 15 postcodes
Nillumbik at a glance
Map shows the Nillumbik 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.
Nillumbik is a metropolitan Local Government Area in Victoria, in the Melbourne region. It covers 23 suburbs across 15 postcodes and an area of 357 km². Nillumbik has a population of 59,490 , ranking #36 most populous in VIC. The most populous suburb is Eltham (18,847 residents).About 15.8% of residents were born overseas and 8.7% speak a language other than English at home.
Who lives here
Age structure
Show counts
| 0–14 years | 11,053 (18.6%) |
| 15–24 years | 7,976 (13.4%) |
| 25–44 years | 12,345 (20.8%) |
| 45–64 years | 18,258 (30.7%) |
| 65+ years | 9,824 (16.5%) |
How they live
Housing tenure
Dwelling type mix
Work and learning
Schools in Nillumbik
25 schools across Nillumbik: 76.0% Government, 16.0% Catholic, 8.0% Independent. The VIC average is 68.6% / 21.4% / 10.0%. Schools here have a median ICSEA of 1070 (range 930 to 1143). VIC median is 1027; national mean is 1000.
Sector mix
Type breakdown
ICSEA range
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 25 schools in Nillumbik, sorted by enrolment:
| School | Sector | Type | Suburb | Students | ICSEA |
|---|---|---|---|---|---|
| St Helena Secondary College | Government | Secondary | Eltham North | 1,414 | 1065 |
| Eltham High School | Government | Secondary | Eltham | 1,326 | 1101 |
| Catholic Ladies' College Ltd | Catholic | Secondary | Eltham | 901 | 1119 |
| Diamond Valley College | Government | Secondary | Diamond Creek | 818 | 1020 |
| Eltham East Primary School | Government | Primary | Eltham | 652 | 1143 |
| Eltham College | Independent | Combined | Research | 639 | 1139 |
| Yarrambat Primary School | Government | Primary | Yarrambat | 634 | 1052 |
| Glen Katherine Primary School | Government | Primary | Eltham North | 554 | 1088 |
| Eltham North Primary School | Government | Primary | Eltham North | 475 | 1127 |
| Diamond Creek East Primary School | Government | Primary | Diamond Creek | 466 | 1066 |
| Holy Trinity Primary School | Catholic | Primary | Eltham North | 393 | 1137 |
| Eltham Primary School | Government | Primary | Eltham | 253 | 1117 |
| Diamond Creek Primary School | Government | Primary | Diamond Creek | 235 | 1065 |
| Research Primary School | Government | Primary | Research | 219 | 1092 |
| Kangaroo Ground Primary School | Government | Primary | Kangaroo Ground | 203 | 1085 |
| Sacred Heart School | Catholic | Primary | Diamond Creek | 182 | 1080 |
| Panton Hill Primary School | Government | Primary | Panton Hill | 147 | 1070 |
| Wattle Glen Primary School | Government | Primary | Wattle Glen | 147 | 1055 |
| Hurstbridge Primary School | Government | Primary | Hurstbridge | 141 | 1055 |
| Our Lady Help of Christians School | Catholic | Primary | Eltham | 79 | 1094 |
| St Andrews Primary School | Government | Primary | St Andrews | 40 | 1065 |
| Learning Co-Operative School | Independent | Primary | Cottles Bridge | 31 | 1065 |
| Strathewen Primary School | Government | Primary | Strathewen | 28 | 1068 |
| Arthurs Creek Primary School | Government | Primary | Arthurs Creek | 22 | 930 |
| Christmas Hills Primary School | Government | Primary | Christmas Hills | 9 | 1057 |
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 Nillumbik. Higher scores indicate more advantage; the national mean is 1000.
IRSAD
Relative socio-economic advantage and disadvantage
IRSD
Relative disadvantage only (lower = more disadvantaged)
IER
Economic resources: income, wealth, housing
IEO
Education and occupation: qualifications, skill levels
Suburbs in Nillumbik
Nillumbik contains 23 suburbs and 15 postcodes. Sorted by population.
| Suburb | Postcode | Population | Median income | Median age |
|---|---|---|---|---|
| Eltham | 3095 | 18,847 | $2,391/wk | 43 |
| Diamond Creek | 3089 | 12,503 | $2,508/wk | 39 |
| Eltham North | 3095 | 6,830 | $2,770/wk | 42 |
| Hurstbridge | 3099 | 3,554 | $2,168/wk | 41 |
| North Warrandyte | 3113 | 3,027 | $2,766/wk | 42 |
| Research | 3095 | 2,695 | $2,876/wk | 44 |
| Plenty | 3090 | 2,575 | $3,190/wk | 44 |
| Wattle Glen | 3096 | 1,911 | $2,425/wk | 42 |
| Yarrambat | 3091 | 1,602 | $2,600/wk | 47 |
| Kangaroo Ground | 3097 | 1,208 | $2,909/wk | 44 |
| St Andrews | 3761 | 1,186 | $2,216/wk | 46 |
| Panton Hill | 3759 | 1,063 | $2,367/wk | 48 |
| Cottles Bridge | 3099 | 609 | $2,170/wk | 52 |
| Arthurs Creek | 3099 | 478 | $2,214/wk | 52 |
| Christmas Hills | 3775 | 365 | $2,285/wk | 46 |
| Smiths Gully | 3760 | 356 | $2,468/wk | 49 |
| Bend Of Islands | 3097 | 267 | $1,971/wk | 47 |
| Strathewen | 3099 | 198 | $2,094/wk | 41 |
| Nutfield | 3099 | 158 | $1,916/wk | 50 |
| Watsons Creek | 3097 | 58 | $3,750/wk | 35 |
| Bruces Creek | 3757 | |||
| Mount Slide | 3763 | |||
| Saint Helena | 3088 |
Postcodes covered
3088, 3089, 3090, 3091, 3095, 3096, 3097, 3099, 3113, 3757, 3759, 3760, 3761, 3763, 3775
Compare Nillumbik with neighbouring LGAs
Side-by-side demographic and socio-economic snapshot of Nillumbik and its closest neighbouring LGAs.
| LGA | Population | Median age | SEIFA IRSAD | % renting | % overseas-born |
|---|---|---|---|---|---|
| Nillumbik (VIC) | 59,490 | 42.4 | 1090 | 9.1% | 15.8% |
| Banyule | 121,704 | 40.4 | 1069 | 26.1% | 24.1% |
| Whittlesea | 243,768 | 35.8 | 983 | 25.8% | 37.5% |
| Manningham | 124,763 | 43.1 | 1075 | 21.0% | 43.5% |
| Yarra Ranges | 156,237 | 40.3 | 1013 | 14.5% | 16.9% |
| Murrindindi | 15,382 | 50.3 | 972 | 14.1% | 11.2% |
Services and amenities
Frequently asked questions about Nillumbik
What is the population of Nillumbik?
The 2021 Census recorded 59,490 people living in Nillumbik, across 23 suburbs.
What suburbs are in Nillumbik?
Nillumbik contains 23 suburbs. The most populous are Eltham, Diamond Creek, Eltham North, Hurstbridge, North Warrandyte.See the full list in the Suburbs section above.
What postcodes are in Nillumbik?
Nillumbik covers 15 postcodes: 3088, 3089, 3090, 3091, 3095, 3096, 3097, 3099, 3113, 3757, 3759, 3760, 3761, 3763, 3775.
How many schools are in Nillumbik?
Nillumbik has 25 schools, including 19 government, 4 Catholic, and 2 independent schools (ACARA 2025).
What is the SEIFA score for Nillumbik?
Nillumbik has a population-weighted SEIFA IRSAD score of 1090, 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.