Suburb profile · ABS Census 2021
Blackburn South suburb profile
Blackburn South, VIC · Postcode 3130
This Blackburn South suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Blackburn South, VIC (postcode 3130). Use it as a free suburb report covering population, median rent, household income, age, housing tenure and employment, plus how those figures changed since Census 2016— then compare Blackburn South with nearby suburbs.
Blackburn South at a glance
Population
10,939
Median rent
$410/wk
Household income
$1,861/wk
Median age
42
Blackburn South trends (2016 → 2021)
Change since the previous Census. Historical figures are mapped from State Suburbs (SSC) to today's suburb boundaries.
Population
Census 2011 → 2016 → 2021
+3.4% over 10 years
Population
10,939
was 10,793 in 2016
+146 · +1.4%
Median rent
$410/wk
was $351/wk in 2016
+$59 · +16.8%
Household income
$1,861/wk
was $1,516/wk in 2016
+$345 · +22.8%
Median age
42
was 42 in 2016
0 · 0%
Dig deeper: Blackburn South population growth · Blackburn South then and now
Blackburn South vs nearby & Greater Melbourne
Median Census 2021 figures for Blackburn South, nearby suburbs (8), and the Melbourne metro median (suburbs with 1,000+ people).
Rent
+5% vs area
- Blackburn South$410/wk
- Nearby$408.5/wk
- Melbourne$390.5/wk
Household income
-3.9% vs area
- Blackburn South$1,861/wk
- Nearby$1,979.5/wk
- Melbourne$1,936.5/wk
Median age
+7.7% vs area
- Blackburn South42
- Nearby39
- Melbourne39
Personal income
-10.7% vs area
- Blackburn South$753/wk
- Nearby$830.5/wk
- Melbourne$843.5/wk
Nearby uses the same postcode first, then larger suburbs in VIC. See Melbourne rankings.
Socio-economic profile
How Blackburn South compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Blackburn South ranks among Australia's most advantaged suburbs. It shows high education and occupation levels.
Relative disadvantage (IRSD)
Decile 81,054.3
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 91,070.9
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 51,024.1
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 101,091.7
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Blackburn South on the map
OpenStreetMap outline for Blackburn South, VIC.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Blackburn South people
- Population
- 10,939
- Median age
- 42
- Born overseas
- 36.9%
- Average household size
- 2.6
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Blackburn South income
- Median household income
- $1,861/wk
- Median personal income
- $753/wk
Median total weekly household income
Median total weekly personal income
Blackburn South housing
- Median rent
- $410/wk
- Median mortgage repayment
- $2,251/mo
- Separate houses
- 69.9%
- Flats & apartments
- 7%
- Owned outright
- 35%
- Mortgaged
- 32%
- Rented
- 22%
- Unoccupied dwellings
- 7.8%
Median weekly rent for rented dwellings
Median monthly mortgage repayment
Percentage of dwellings that are separate houses
Percentage of dwellings that are flats or apartments
Percentage of dwellings owned without a mortgage
Percentage of dwellings with a mortgage
Percentage of dwellings rented
Percentage of private dwellings unoccupied on Census night
Blackburn South work
- Employment to population
- 57.5%
- Unemployment rate
- 4.8%
- Year 12 or above
- 70.6%
Employed persons as a percentage of population aged 15+
Unemployed persons as a percentage of the labour force
Percentage with Year 12 or equivalent as highest school level
Nearby suburb profiles (near 3130)
Compare Blackburn South with nearby suburbs
Blackburn South in numbers
Blackburn South had 10,939 residents at the 2021 Census, making it the 188th most populous suburb or locality in VIC out of 2,835. The median age is 42, close to the typical VIC suburb. The average household has 2.6 people. 36.9% of residents were born overseas.
Among occupied homes, 35% own their home outright, 32% are paying a mortgage, 22% rent. Separate houses make up 69.9% of dwellings, with 7% in flats or apartments. Median rent was $410/wk, 17% above the typical VIC suburb.
Median household income was $1,861/wk, 5% above the typical VIC suburb. The unemployment rate on Census night was 4.8%. 70.6% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 8 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 1.4% (from 10,793 to 10,939). Median rent moved from $351/wk to $410/wk (+16.8%).
Blackburn South suburb FAQs
- What is the median rent in Blackburn South, VIC?
- The median weekly rent in Blackburn South was $410/wk at the 2021 Census (ABS).
- How many people live in Blackburn South, VIC?
- Blackburn South had 10,939 residents at the 2021 Census, up 1.4% from 2016.
- What is the median household income in Blackburn South?
- Median household income in Blackburn South was $1,861/wk at the 2021 Census.
- Do most people rent or own in Blackburn South?
- 22% of occupied homes in Blackburn South were rented, 35% were owned outright and 32% were owned with a mortgage.
About this Blackburn South suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Blackburn South. Where shown, 2016 values come from the 2016 State Suburbs (SSC) profile, linked via ABS geographic correspondence — boundaries are not always identical. Medians may be suppressed for very small areas. This is not financial or relocation advice — use it alongside current market data.
Source: ABS Census 2021. Methodology · Richest suburbs in Melbourne