Victoria · Postcode 3658
Tyaak postcode and suburb data
Victoria · Phone area code 03 · 68 km from Melbourne
Suburb snapshot
Tyaak 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.
Detailed comparison table
Tyaak vs the VIC average and the national average, using population-weighted 2021 Census data.
| Metric | Tyaak | VIC avg | AU avg |
|---|---|---|---|
| Household income/wk | $1,875 ≈VIC | $1,817 | $1,836 |
| Mortgage/month | $1,733 -VIC | $1,933 | $1,958 |
| Median age | 38 | 46.0 | 45.0 |
| SEIFA decile | 3/10 -VIC | 6.0/10 | 6.0/10 |
| Unemployment | 15.0% +VIC | 5.0% | 5.0% |
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.
Tyaak is a locality 68 km from Melbourne in Victoria, classified as inner regional by the ABS. The postcode is 3658. It falls within the Melbourne - North East region. The local government area is Mitchell.
According to the 2021 Census, Tyaak has a population of 85 with a median age of 38. The median weekly household income is $1,875, close to the VIC average. The unemployment rate is 15.0%, higher than the VIC average. The Indigenous population is 5 (5.9% of residents).
Housing in Tyaak includes a median monthly mortgage repayment of $1,733, 24 total dwellings. Housing costs in the area sit below 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, Tyaak scores in decile 3 out of 10, which is below the national average.
Tyaak is part of the Whittlesea - Wallan statistical area in Victoria.
Tyaak details
Location, Census, housing, SEIFA and geography fields used across this profile.
| Postcode | 3658 |
| State | Victoria (VIC) |
| Phone Area Code | 03 |
| Population (2021) | 85 |
| Median Age | 38 years |
| Median Household Income (Census 2021) | $1,875/week |
| Median Personal Income (Census 2021) | $735/week |
| Median Monthly Mortgage (Census 2021) | $1,733 |
| Average Household Size | 3.1 persons |
| Area | 12.0 km² |
| Population Density | 7/km² |
| Total Dwellings | 24 |
| Australian Citizens | 89.4% |
| Indigenous Population | 5 (5.9%) |
| Unemployment Rate | 15.0% |
| SEIFA IRSAD Decile | 3/10 (below average) |
| Latitude | -37.2209691 |
| Longitude | 145.1431018 |
| Distance from Melbourne | 68 km |
| Region (SA4) | Melbourne - North East |
| Area (SA3) | Whittlesea - Wallan |
| Local Government | Mitchell |
| Federal Electorate | Nicholls |
| State Electorate | Yan Yean (Northern Victoria) |
| Time Zone | AEST (UTC+10), Australia/Melbourne (standard time) |
Age Profile
Show counts
| 0–14 years | 17 (20.0%) |
| 15–24 years | 12 (14.1%) |
| 25–44 years | 18 (21.2%) |
| 45–64 years | 31 (36.5%) |
| 65+ years | 13 (15.3%) |
Housing Tenure
SEIFA socio-economic index
Health Conditions (2021 Census)
| Arthritis | 9 (10.6%) |
| Asthma | 7 (8.2%) |
| Heart Disease | 6 (7.1%) |
| Cancer | 4 (4.7%) |
| Lung Condition | 3 (3.5%) |
Long-term health conditions self-reported in the 2021 Census. Persons may report more than one condition.
Motor Vehicles per Dwelling
| No vehicle | 0 (0.0%) |
| 1 vehicle | 0 (0.0%) |
| 2 vehicles | 7 (33.3%) |
| 3+ vehicles | 14 (66.7%) |
Suburbs Near Tyaak
Same Postcode (3658)
More Tyaak 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.