Suburb profile · ABS Census 2021
Blackwood suburb profile
Blackwood, SA · Postcode 5051
This Blackwood suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Blackwood, SA (postcode 5051). 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 Blackwood with nearby suburbs.
Blackwood at a glance
Population
4,266
Median rent
$330/wk
Household income
$1,715/wk
Median age
45
Blackwood 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
+5.3% over 10 years
Population
4,266
was 4,181 in 2016
+85 · +2%
Median rent
$330/wk
was $295/wk in 2016
+$35 · +11.9%
Household income
$1,715/wk
was $1,483/wk in 2016
+$232 · +15.6%
Median age
45
was 44 in 2016
+1 · +2.3%
Dig deeper: Blackwood population growth · Blackwood then and now
Blackwood vs nearby & Greater Adelaide
Median Census 2021 figures for Blackwood, nearby suburbs (8), and the Adelaide metro median (suburbs with 1,000+ people).
Rent
+1.2% vs area
- Blackwood$330/wk
- Nearby$386.5/wk
- Adelaide$326/wk
Household income
+6.7% vs area
- Blackwood$1,715/wk
- Nearby$2,100.5/wk
- Adelaide$1,607/wk
Median age
+12.5% vs area
- Blackwood45
- Nearby42
- Adelaide40
Personal income
+8.8% vs area
- Blackwood$869/wk
- Nearby$936.5/wk
- Adelaide$799/wk
Nearby uses the same postcode first, then larger suburbs in SA. See Adelaide rankings.
Socio-economic profile
How Blackwood compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Blackwood ranks among Australia's most advantaged suburbs. It shows high education and occupation levels.
Relative disadvantage (IRSD)
Decile 91,068.8
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 91,054.7
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 61,037.6
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 101,085.9
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Blackwood on the map
OpenStreetMap outline for Blackwood, SA.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Blackwood people
- Population
- 4,266
- Median age
- 45
- Born overseas
- 21.4%
- Average household size
- 2.4
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Blackwood income
- Median household income
- $1,715/wk
- Median personal income
- $869/wk
Median total weekly household income
Median total weekly personal income
Blackwood housing
- Median rent
- $330/wk
- Median mortgage repayment
- $1,733/mo
- Separate houses
- 75.4%
- Flats & apartments
- 14.4%
- Owned outright
- 39.8%
- Mortgaged
- 37.9%
- Rented
- 14%
- Unoccupied dwellings
- 5.7%
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
Blackwood work
- Employment to population
- 59.9%
- Unemployment rate
- 3.5%
- Year 12 or above
- 67.2%
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 5051)
Compare Blackwood with nearby suburbs
Blackwood in numbers
Blackwood had 4,266 residents at the 2021 Census, making it the 113th most populous suburb or locality in SA out of 1,624. The median age is 45, 7% above the typical SA suburb. The average household has 2.4 people. 21.4% of residents were born overseas.
Among occupied homes, 39.8% own their home outright, 37.9% are paying a mortgage, 14% rent. Separate houses make up 75.4% of dwellings, with 14.4% in flats or apartments. Median rent was $330/wk, 6% above the typical SA suburb.
Median household income was $1,715/wk, 12% above the typical SA suburb. The unemployment rate on Census night was 3.5%. 67.2% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 9 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 2% (from 4,181 to 4,266). Median rent moved from $295/wk to $330/wk (+11.9%).
Blackwood suburb FAQs
- What is the median rent in Blackwood, SA?
- The median weekly rent in Blackwood was $330/wk at the 2021 Census (ABS).
- How many people live in Blackwood, SA?
- Blackwood had 4,266 residents at the 2021 Census, up 2% from 2016.
- What is the median household income in Blackwood?
- Median household income in Blackwood was $1,715/wk at the 2021 Census.
- Do most people rent or own in Blackwood?
- 14% of occupied homes in Blackwood were rented, 39.8% were owned outright and 37.9% were owned with a mortgage.
About this Blackwood suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Blackwood (SA). 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 Adelaide