Suburb profile · ABS Census 2021
Summertown suburb profile
Summertown, SA · Postcode 5141
This Summertown suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Summertown, SA (postcode 5141). 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 Summertown with nearby suburbs.
Summertown at a glance
Population
752
Median rent
$365/wk
Household income
$2,258/wk
Median age
43
Summertown 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
+8% over 10 years
Population
752
was 676 in 2016
+76 · +11.2%
Median rent
$365/wk
was $330/wk in 2016
+$35 · +10.6%
Household income
$2,258/wk
was $1,868/wk in 2016
+$390 · +20.9%
Median age
43
was 42 in 2016
+1 · +2.4%
Dig deeper: Summertown population growth · Summertown then and now
Summertown vs nearby & Greater Adelaide
Median Census 2021 figures for Summertown, nearby suburbs (8), and the Adelaide metro median (suburbs with 1,000+ people).
Rent
+12% vs area
- Summertown$365/wk
- Nearby$376.5/wk
- Adelaide$326/wk
Household income
+40.5% vs area
- Summertown$2,258/wk
- Nearby$2,336/wk
- Adelaide$1,607/wk
Median age
+7.5% vs area
- Summertown43
- Nearby44
- Adelaide40
Personal income
+9.6% vs area
- Summertown$876/wk
- Nearby$890/wk
- Adelaide$799/wk
Nearby uses the same postcode first, then larger suburbs in SA. See Adelaide rankings.
Socio-economic profile
How Summertown compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Summertown ranks among Australia's most advantaged suburbs. It shows strong access to economic resources and high education and occupation levels.
Relative disadvantage (IRSD)
Decile 101,103.4
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 101,088.3
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 101,117.1
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 91,075.9
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Summertown on the map
OpenStreetMap outline for Summertown, SA.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Summertown people
- Population
- 752
- Median age
- 43
- Born overseas
- 13.6%
- Average household size
- 2.9
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Summertown income
- Median household income
- $2,258/wk
- Median personal income
- $876/wk
Median total weekly household income
Median total weekly personal income
Summertown housing
- Median rent
- $365/wk
- Median mortgage repayment
- $2,167/mo
- Separate houses
- 91.5%
- Flats & apartments
- 0%
- Owned outright
- 39.9%
- Mortgaged
- 45.3%
- Rented
- 5.4%
- Unoccupied dwellings
- 6.2%
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
Summertown work
- Employment to population
- 62.7%
- Unemployment rate
- 1.8%
- Year 12 or above
- 68.9%
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 5141)
Compare Summertown with nearby suburbs
Summertown in numbers
Summertown had 752 residents at the 2021 Census, making it the 466th most populous suburb or locality in SA out of 1,624. The median age is 43, close to the typical SA suburb. The average household has 2.9 people. 13.6% of residents were born overseas.
Among occupied homes, 39.9% own their home outright, 45.3% are paying a mortgage, 5.4% rent. Separate houses make up 91.5% of dwellings, with 0% in flats or apartments. Median rent was $365/wk, 18% above the typical SA suburb.
Median household income was $2,258/wk, 48% above the typical SA suburb. The unemployment rate on Census night was 1.8%. 68.9% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 10 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 11.2% (from 676 to 752). Median rent moved from $330/wk to $365/wk (+10.6%).
Summertown suburb FAQs
- What is the median rent in Summertown, SA?
- The median weekly rent in Summertown was $365/wk at the 2021 Census (ABS).
- How many people live in Summertown, SA?
- Summertown had 752 residents at the 2021 Census, up 11.2% from 2016.
- What is the median household income in Summertown?
- Median household income in Summertown was $2,258/wk at the 2021 Census.
- Do most people rent or own in Summertown?
- 5.4% of occupied homes in Summertown were rented, 39.9% were owned outright and 45.3% were owned with a mortgage.
About this Summertown suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Summertown. 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