Suburb profile · ABS Census 2021
Tumby Bay suburb profile
Tumby Bay, SA · Postcode 5605
This Tumby Bay suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Tumby Bay, SA (postcode 5605). 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 Tumby Bay with nearby suburbs.
Tumby Bay at a glance
Population
1,781
Median rent
$220/wk
Household income
$1,058/wk
Median age
57
Tumby Bay 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
+6.5% over 10 years
Population
1,781
was 1,631 in 2016
+150 · +9.2%
Median rent
$220/wk
was $185/wk in 2016
+$35 · +18.9%
Household income
$1,058/wk
was $863/wk in 2016
+$195 · +22.6%
Median age
57
was 55 in 2016
+2 · +3.6%
Dig deeper: Tumby Bay population growth · Tumby Bay then and now
Tumby Bay vs nearby & SA
Median Census 2021 figures for Tumby Bay, nearby suburbs (8), and the SA state median (suburbs with 1,000+ people).
Rent
-31.2% vs area
- Tumby Bay$220/wk
- Nearby$220/wk
- SA$320/wk
Household income
-32.1% vs area
- Tumby Bay$1,058/wk
- Nearby$1,248.5/wk
- SA$1,559/wk
Median age
+39% vs area
- Tumby Bay57
- Nearby41
- SA41
Personal income
-20.1% vs area
- Tumby Bay$624/wk
- Nearby$714/wk
- SA$781/wk
Nearby uses the same postcode first, then larger suburbs in SA.
Socio-economic profile
How Tumby Bay compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Tumby Bay sits below average for socio-economic advantage compared with suburbs Australia-wide. It shows limited economic resources and lower education and occupation levels.
Relative disadvantage (IRSD)
Decile 4988.3
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 3944.9
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 2962.5
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 3934.5
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Tumby Bay on the map
OpenStreetMap outline for Tumby Bay, SA.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Tumby Bay people
- Population
- 1,781
- Median age
- 57
- Born overseas
- 6.2%
- Average household size
- 2.0
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Tumby Bay income
- Median household income
- $1,058/wk
- Median personal income
- $624/wk
Median total weekly household income
Median total weekly personal income
Tumby Bay housing
- Median rent
- $220/wk
- Median mortgage repayment
- $1,200/mo
- Separate houses
- 68.4%
- Flats & apartments
- 5%
- Owned outright
- 41.1%
- Mortgaged
- 18%
- Rented
- 17.8%
- Unoccupied dwellings
- 18.9%
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
Tumby Bay work
- Employment to population
- 46.2%
- Unemployment rate
- 2.5%
- Year 12 or above
- 35.4%
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 5605)
Compare Tumby Bay with nearby suburbs
Tumby Bay in numbers
Tumby Bay had 1,781 residents at the 2021 Census, making it the 318th most populous suburb or locality in SA out of 1,624. The median age is 57, 36% above the typical SA suburb. The average household has 2 people. 6.2% of residents were born overseas.
Among occupied homes, 41.1% own their home outright, 18% are paying a mortgage, 17.8% rent. Separate houses make up 68.4% of dwellings, with 5% in flats or apartments. Median rent was $220/wk, 29% below the typical SA suburb.
Median household income was $1,058/wk, 31% below the typical SA suburb. The unemployment rate on Census night was 2.5%. 35.4% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 4 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 9.2% (from 1,631 to 1,781). Median rent moved from $185/wk to $220/wk (+18.9%).
Tumby Bay suburb FAQs
- What is the median rent in Tumby Bay, SA?
- The median weekly rent in Tumby Bay was $220/wk at the 2021 Census (ABS).
- How many people live in Tumby Bay, SA?
- Tumby Bay had 1,781 residents at the 2021 Census, up 9.2% from 2016.
- What is the median household income in Tumby Bay?
- Median household income in Tumby Bay was $1,058/wk at the 2021 Census.
- Do most people rent or own in Tumby Bay?
- 17.8% of occupied homes in Tumby Bay were rented, 41.1% were owned outright and 18% were owned with a mortgage.
About this Tumby Bay suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Tumby Bay. 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