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Victoria · Postcode 3301
Mount Napier postcode and suburb data
Victoria · Phone area code 03 · 255 km from Melbourne
Suburb snapshot
Mount Napier at a glance vs VIC
Fast facts and benchmark bars show the suburb's key postcode, Census, SEIFA, school and LGA signals in context.
Quick facts
Benchmarks against VIC
Income, rent and SEIFA figures are from the ABS 2021 Census and are reported in 2021 dollars, not adjusted for subsequent inflation.
Where Mount Napier ranks: household income is in the top 25% of VIC suburbs; SEIFA decile 9 puts it in the top 20% of Australia for socio-economic advantage.
ABS Census 2021 · SEIFA 2021Detailed comparison table
Mount Napier vs the VIC average and the national average, using population-weighted 2021 Census data.
| Metric | Mount Napier | VIC avg | AU avg |
|---|---|---|---|
| Household income/wk | $2,149 +VIC | $1,817 | $1,836 |
| Mortgage/month | $3,417 +VIC | $1,933 | $1,958 |
| Median age | 31 | 46.0 | 45.0 |
| SEIFA decile | 9/10 +VIC | 6.0/10 | 6.0/10 |
Green pill = at least 10% above the VIC average; red = at least 10% below; grey = within 10%. For unemployment, colour polarity is inverted: lower is better.
Mount Napier is a locality 255 km from Melbourne in Victoria, classified as outer regional by the ABS. The postcode is 3301. It falls within the Warrnambool and South West region. The local government area is Southern Grampians.
According to the 2021 Census, Mount Napier has a population of 16 with a median age of 31. The median weekly household income is $2,149, above the VIC average.
Housing in Mount Napier includes a median monthly mortgage repayment of $3,417, 4 total dwellings. These housing costs sit above the VIC average. Owner-occupied dwellings (owned or mortgaged) make up 100.0% of housing.
On the SEIFA Index of Relative Socio-economic Advantage and Disadvantage, Mount Napier scores in decile 9 out of 10, which is well above the national average.
Mount Napier is part of the Warrnambool statistical area in Victoria.
Mount Napier details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 3301 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 16 |
| Median Age | 31 years |
| Median Household Income (Census 2021) | $2,149/week |
| Median Personal Income (Census 2021) | $1,249/week |
| Median Monthly Mortgage (Census 2021) | $3,417 |
| Average Household Size | 3 persons |
| Area | 32.5 km² |
| Population Density | 0/km² |
| Total Dwellings | 4 |
| Australian Citizens | 100.0% |
| SEIFA IRSAD Decile | 9/10 (well above average) |
| Latitude | -37.8933333 |
| Longitude | 142.0580556 |
| Distance from Melbourne | 255 km |
| Region (SA4) | Warrnambool and South West |
| Area (SA3) | Warrnambool |
| Local Government | Southern Grampians |
| Federal Electorate | Wannon |
| State Electorate | South-West Coast (Western Victoria) |
| Time Zone | AEST (UTC+10), Australia/Melbourne (standard time) |
Age Profile
Show counts
| 0–14 years | 6 (37.5%) |
| 15–24 years | 0 (0.0%) |
| 25–44 years | 0 (0.0%) |
| 45–64 years | 0 (0.0%) |
| 65+ years | 0 (0.0%) |
Housing Tenure
SEIFA socio-economic index
Suburbs Near Mount Napier
Same Postcode (3301)
More Mount Napier Data
Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 IRSAD, ACARA school profiles 2025. How this data is sourced.