Port Noarlunga South
Household income quartiles
In Port Noarlunga South, the 'medium lowest' quartile was the largest group in 2021, comprising 27% of households with income.
Households form the common 'economic unit' in our society. Household Income is one of the most important indicators of socio-economic status. With other data sources, such as Qualifications and Occupation, it helps to reveal Port Noarlunga South's socio-economic status and economic opportunities. Household income levels are not comparable over time because of the influences of economic change such as wage level fluctuations and inflation. The income quartile method is a powerful and objective way of looking at income data and in particular, how it is changing.
A detailed explanation of how Household Income quartiles are calculated and interpreted is available in specific data notes.
Learn more about the characteristics of low-income households here.
Derived from the Census question:
'What is the total of all wages/salaries, government benefits, pensions, allowances and other income the person usually receives?'
Households
| Household income quartiles | ||||||||
|---|---|---|---|---|---|---|---|---|
| Port Noarlunga South - Households (Enumerated) | 2021 | 1991 | Change | |||||
| Quartile group | Number | % | Morphett Vale (East) % | Number | % | Morphett Vale (East) % | 1991 to 2021 | |
| Lowest group | 213 | 19.6 | 28.2 | 31001 | 145 | 18.9 | 18.3 | +68 |
| Medium lowest | 296 | 27.2 | 30.3 | 31002 | 199 | 25.8 | 24.1 | +98 |
| Medium highest | 295 | 27.1 | 26.5 | 31003 | 229 | 29.8 | 30.5 | +66 |
| Highest group | 283 | 26.0 | 14.9 | 31004 | 196 | 25.5 | 27.1 | +87 |
| Total Households | 1,090 | 100.0 | 100.0 | 771 | 100.0 | 100.0 | +319 | |
Source: Australian Bureau of Statistics, Census of Population and Housing (opens a new window) 1991 and 2021. Compiled and presented by .id (opens a new window)(informed decisions).
(Enumerated data)
| Household income - Quartile group dollar ranges | |||||||
|---|---|---|---|---|---|---|---|
| Calculated from income data for South Australia | Weekly income by Census year | ||||||
| Household income ranges | 2021 | 2016 | 2011 | 2006 | 2001 | 1996 | 1991 |
| Lowest group | $0 to $756 | $0 to $667 | $0 to $554 | $0 to $488 | $0 to $375 | $0 to $294 | $0 to $278 |
| Medium lowest | $757 to $1,452 | $668 to $1,203 | $555 to $1,042 | $489 to $885 | $376 to $675 | $295 to $552 | $279 to $505 |
| Medium highest | $1,453 to $2,494 | $1,204 to $2,104 | $1,043 to $1,869 | $886 to $1,466 | $676 to $1,157 | $553 to $933 | $506 to $848 |
| Highest group | $2,495 and over | $2,105 and over | $1,870 and over | $1,467 and over | $1,158 and over | $934 and over | $849 and over |
Compiled and presented in profile.id by .id (informed decisions).
Compiled and presented in profile.id by .id (informed decisions).
Dominant groups
Income quartiles allow us to compare relative income-earning capabilities across time. Analysis of the distribution of households by income quartile in Port Noarlunga South compared to Morphett Vale (East) shows that there was greater proportion of households in the highest income quartile and a lesser proportion in the lowest income quartile.
Emerging groups
The most significant change in Port Noarlunga South between 1991 and 2021 was in the medium lowest quartile which showed an increase of 98 households.