Derwent Valley
Tasmania · West and North West · 10,599 people · 31 suburbs · 4 postcodes
Derwent Valley at a glance
Map shows the Derwent Valley 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.
Derwent Valley is a Local Government Area in Tasmania, in the Hobart region. It covers 31 suburbs across 4 postcodes and an area of 1,332 km². Derwent Valley has a population of 10,599 , ranking #17 most populous in TAS. The most populous suburb is New Norfolk (6,037 residents).About 7.8% of residents were born overseas and 2.1% speak a language other than English at home.
Who lives here
Age structure
Show counts
| 0–14 years | 1,885 (17.8%) |
| 15–24 years | 1,258 (11.9%) |
| 25–44 years | 2,486 (23.5%) |
| 45–64 years | 2,956 (27.9%) |
| 65+ years | 1,996 (18.9%) |
How they live
Housing tenure
Dwelling type mix
Work and learning
Schools in Derwent Valley
7 schools across Derwent Valley: 85.7% Government, 14.3% Catholic, 0% Independent. The TAS average is 72.4% / 14.6% / 13.0%. Schools here have a median ICSEA of 891 (range 881 to 984). TAS median is 965; 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 7 schools in Derwent Valley, sorted by enrolment:
| School | Sector | Type | Suburb | Students | ICSEA |
|---|---|---|---|---|---|
| New Norfolk High School | Government | Secondary | New Norfolk | 319 | 881 |
| Fairview Primary School | Government | Primary | New Norfolk | 235 | 889 |
| New Norfolk Primary School | Government | Primary | New Norfolk | 208 | 894 |
| Glenora District School | Government | Combined | Glenora | 203 | 890 |
| St Brigid's Catholic School | Catholic | Primary | New Norfolk | 187 | 969 |
| Molesworth Primary School | Government | Primary | Molesworth | 129 | 984 |
| Westerway Primary School | Government | Primary | Westerway | 54 | 891 |
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 ICSEA shown where reported; some schools (notably small primaries) do not publish ICSEA.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 Derwent Valley. 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 Derwent Valley
Derwent Valley contains 31 suburbs and 4 postcodes. Sorted by population.
| Suburb | Postcode | Population | Median income | Median age |
|---|---|---|---|---|
| New Norfolk | 7140 | 6,037 | $1,112/wk | 40 |
| Lachlan | 7140 | 953 | $1,759/wk | 44 |
| Magra | 7140 | 759 | $1,617/wk | 43 |
| Molesworth | 7140 | 683 | $1,583/wk | 44 |
| Lawitta | 7140 | 226 | $1,525/wk | 41 |
| Westerway | 7140 | 210 | $949/wk | 48 |
| Black Hills | 7140 | 201 | $1,468/wk | 40 |
| Maydena | 7140 | 198 | $791/wk | 47 |
| Glenfern | 7140 | 176 | $1,166/wk | 40 |
| Bushy Park | 7140 | 147 | $1,359/wk | 43 |
| Hayes | 7140 | 109 | $1,375/wk | 48 |
| Sorell Creek | 7140 | 95 | $1,062/wk | 49 |
| Glenora | 7140 | 93 | $1,375/wk | 44 |
| Rosegarland | 7140 | 92 | $1,312/wk | 47 |
| National Park | 7140 | 80 | $725/wk | 45 |
| Mount Lloyd | 7140 | 78 | $1,187/wk | 38 |
| Malbina | 7140 | 77 | $2,416/wk | 43 |
| Moogara | 7140 | 67 | $1,124/wk | 43 |
| Plenty | 7140 | 66 | $1,437/wk | 50 |
| Boyer | 7140 | 58 | $1,375/wk | 30 |
| Macquarie Plains | 7140 | 53 | $1,187/wk | 48 |
| Uxbridge | 7140 | 40 | $1,125/wk | 39 |
| Fitzgerald | 7140 | 33 | $860/wk | 49 |
| Karanja | 7140 | 31 | $2,050/wk | 47 |
| Tyenna | 7140 | 29 | $825/wk | 60 |
| Strathgordon | 7139 | 8 | $1,125/wk | 49 |
| Catamaran | 7109 | |||
| Mount Field | 7140 | |||
| Nierinna | 7054 | |||
| Piersons Point | 7054 | |||
| Styx | 7140 |
Postcodes covered
Compare Derwent Valley with neighbouring LGAs
Side-by-side demographic and socio-economic snapshot of Derwent Valley and its closest neighbouring LGAs.
| LGA | Population | Median age | SEIFA IRSAD | % renting | % overseas-born |
|---|---|---|---|---|---|
| Derwent Valley (TAS) | 10,599 | 41.7 | 874 | 22.3% | 7.8% |
| Central Highlands (Tas.) | 2,420 | 47.6 | 889 | 18.7% | 9.5% |
| Kingborough | 40,205 | 41.2 | 1019 | 20.8% | 21.2% |
| Huon Valley | 18,175 | 45.8 | 945 | 16.5% | 15.1% |
| Glenorchy | 50,758 | 36.7 | 912 | 36.9% | 21.5% |
| Brighton | 19,270 | 34.8 | 863 | 33.1% | 6.2% |
Services and amenities
Frequently asked questions about Derwent Valley
What is the population of Derwent Valley?
The 2021 Census recorded 10,599 people living in Derwent Valley, across 31 suburbs.
What suburbs are in Derwent Valley?
Derwent Valley contains 31 suburbs. The most populous are New Norfolk, Lachlan, Magra, Molesworth, Lawitta.See the full list in the Suburbs section above.
What postcodes are in Derwent Valley?
Derwent Valley covers 4 postcodes: 7054, 7109, 7139, 7140.
How many schools are in Derwent Valley?
Derwent Valley has 7 schools, including 6 government, 1 Catholic, and 0 independent schools (ACARA 2025).
What is the SEIFA score for Derwent Valley?
Derwent Valley has a population-weighted SEIFA IRSAD score of 874, 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.