Suburb profile · ABS Census 2021
Noarlunga Downs suburb profile
Noarlunga Downs, SA · Postcode 5168
This Noarlunga Downs suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Noarlunga Downs, SA (postcode 5168). 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 Noarlunga Downs with nearby suburbs.
Noarlunga Downs at a glance
Population
4,031
Median rent
$250/wk
Household income
$1,189/wk
Median age
39
Noarlunga Downs 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
+19.2% over 10 years
Population
4,031
was 3,846 in 2016
+185 · +4.8%
Median rent
$250/wk
was $216/wk in 2016
+$34 · +15.7%
Household income
$1,189/wk
was $989/wk in 2016
+$200 · +20.2%
Median age
39
was 37 in 2016
+2 · +5.4%
Dig deeper: Noarlunga Downs population growth · Noarlunga Downs then and now
Noarlunga Downs vs nearby & Greater Adelaide
Median Census 2021 figures for Noarlunga Downs, nearby suburbs (8), and the Adelaide metro median (suburbs with 1,000+ people).
Rent
-23.3% vs area
- Noarlunga Downs$250/wk
- Nearby$330/wk
- Adelaide$326/wk
Household income
-26% vs area
- Noarlunga Downs$1,189/wk
- Nearby$1,512/wk
- Adelaide$1,607/wk
Median age
-2.5% vs area
- Noarlunga Downs39
- Nearby39.5
- Adelaide40
Personal income
-18.9% vs area
- Noarlunga Downs$648/wk
- Nearby$751.5/wk
- Adelaide$799/wk
Nearby uses the same postcode first, then larger suburbs in SA. See Adelaide rankings.
Socio-economic profile
How Noarlunga Downs compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Noarlunga Downs 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 2935.7
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 2909.7
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 2933
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 2914.4
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Noarlunga Downs on the map
OpenStreetMap outline for Noarlunga Downs, SA.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Noarlunga Downs people
- Population
- 4,031
- Median age
- 39
- Born overseas
- 22.1%
- 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
Noarlunga Downs income
- Median household income
- $1,189/wk
- Median personal income
- $648/wk
Median total weekly household income
Median total weekly personal income
Noarlunga Downs housing
- Median rent
- $250/wk
- Median mortgage repayment
- $1,352/mo
- Separate houses
- 83.8%
- Flats & apartments
- 3.8%
- Owned outright
- 19.3%
- Mortgaged
- 38.6%
- Rented
- 30.7%
- Unoccupied dwellings
- 5.1%
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
Noarlunga Downs work
- Employment to population
- 53.9%
- Unemployment rate
- 6.9%
- Year 12 or above
- 47.2%
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 5168)
Compare Noarlunga Downs with nearby suburbs
Noarlunga Downs in numbers
Noarlunga Downs had 4,031 residents at the 2021 Census, making it the 131st most populous suburb or locality in SA out of 1,624. The median age is 39, 7% below the typical SA suburb. The average household has 2.3 people. 22.1% of residents were born overseas.
Among occupied homes, 19.3% own their home outright, 38.6% are paying a mortgage, 30.7% rent. Separate houses make up 83.8% of dwellings, with 3.8% in flats or apartments. Median rent was $250/wk, 19% below the typical SA suburb.
Median household income was $1,189/wk, 22% below the typical SA suburb. The unemployment rate on Census night was 6.9%. 47.2% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 2 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 4.8% (from 3,846 to 4,031). Median rent moved from $216/wk to $250/wk (+15.7%).
Noarlunga Downs suburb FAQs
- What is the median rent in Noarlunga Downs, SA?
- The median weekly rent in Noarlunga Downs was $250/wk at the 2021 Census (ABS).
- How many people live in Noarlunga Downs, SA?
- Noarlunga Downs had 4,031 residents at the 2021 Census, up 4.8% from 2016.
- What is the median household income in Noarlunga Downs?
- Median household income in Noarlunga Downs was $1,189/wk at the 2021 Census.
- Do most people rent or own in Noarlunga Downs?
- 30.7% of occupied homes in Noarlunga Downs were rented, 19.3% were owned outright and 38.6% were owned with a mortgage.
About this Noarlunga Downs suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Noarlunga Downs. 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