Suburb profile · ABS Census 2021
Modbury suburb profile
Modbury, SA · Postcode 5092
This Modbury suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Modbury, SA (postcode 5092). 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 Modbury with nearby suburbs.
Modbury at a glance
Population
5,593
Median rent
$315/wk
Household income
$1,342/wk
Median age
37
Modbury 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
+13.6% over 10 years
Population
5,593
was 5,245 in 2016
+348 · +6.6%
Median rent
$315/wk
was $285/wk in 2016
+$30 · +10.5%
Household income
$1,342/wk
was $1,084/wk in 2016
+$258 · +23.8%
Median age
37
was 37 in 2016
0 · 0%
Dig deeper: Modbury population growth · Modbury then and now
Modbury vs nearby & Greater Adelaide
Median Census 2021 figures for Modbury, nearby suburbs (8), and the Adelaide metro median (suburbs with 1,000+ people).
Rent
-3.4% vs area
- Modbury$315/wk
- Nearby$342.5/wk
- Adelaide$326/wk
Household income
-16.5% vs area
- Modbury$1,342/wk
- Nearby$1,584.5/wk
- Adelaide$1,607/wk
Median age
-7.5% vs area
- Modbury37
- Nearby40.5
- Adelaide40
Personal income
-14.5% vs area
- Modbury$683/wk
- Nearby$762.5/wk
- Adelaide$799/wk
Nearby uses the same postcode first, then larger suburbs in SA. See Adelaide rankings.
Socio-economic profile
How Modbury compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Modbury sits around the national middle for socio-economic advantage. It shows limited economic resources.
Relative disadvantage (IRSD)
Decile 3975.6
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 4952.7
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 2949.3
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 4959.3
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Modbury on the map
OpenStreetMap outline for Modbury, SA.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Modbury people
- Population
- 5,593
- Median age
- 37
- Born overseas
- 38%
- Average household size
- 2.3
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Modbury income
- Median household income
- $1,342/wk
- Median personal income
- $683/wk
Median total weekly household income
Median total weekly personal income
Modbury housing
- Median rent
- $315/wk
- Median mortgage repayment
- $1,430/mo
- Separate houses
- 71.1%
- Flats & apartments
- 5.3%
- Owned outright
- 27.9%
- Mortgaged
- 31.3%
- Rented
- 29.5%
- Unoccupied dwellings
- 5.5%
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
Modbury work
- Employment to population
- 55.1%
- Unemployment rate
- 6.9%
- Year 12 or above
- 58%
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 5092)
Compare Modbury with nearby suburbs
Modbury in numbers
Modbury had 5,593 residents at the 2021 Census, making it the 72nd most populous suburb or locality in SA out of 1,624. The median age is 37, 12% below the typical SA suburb. The average household has 2.3 people. 38% of residents were born overseas.
Among occupied homes, 27.9% own their home outright, 31.3% are paying a mortgage, 29.5% rent. Separate houses make up 71.1% of dwellings, with 5.3% in flats or apartments. Median rent was $315/wk, close to the typical SA suburb.
Median household income was $1,342/wk, 12% below the typical SA suburb. The unemployment rate on Census night was 6.9%. 58% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 3 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 6.6% (from 5,245 to 5,593). Median rent moved from $285/wk to $315/wk (+10.5%).
Modbury suburb FAQs
- What is the median rent in Modbury, SA?
- The median weekly rent in Modbury was $315/wk at the 2021 Census (ABS).
- How many people live in Modbury, SA?
- Modbury had 5,593 residents at the 2021 Census, up 6.6% from 2016.
- What is the median household income in Modbury?
- Median household income in Modbury was $1,342/wk at the 2021 Census.
- Do most people rent or own in Modbury?
- 29.5% of occupied homes in Modbury were rented, 27.9% were owned outright and 31.3% were owned with a mortgage.
About this Modbury suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Modbury. 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