Mount Marshall · Council (LGA)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
A typical advantage score of 973 puts Mount Marshall ahead of about 67% of similar areas. This sparsely populated region shows a strong level of education and job skills, though its population growth is very slow compared to the rest of the state.
All council (lga) areas, 2021. The marker is Mount Marshall — higher than 64% of areas.
SEIFA indexes ranking relative advantage and disadvantage.
The area is more advantaged than about 70% of all areas, with a score of 7 out of 10. Residents generally have high levels of education and job skills, which rank higher than about 80% of similar places.
7
Higher than 64% of council (lga) areas.
ABS Index of Relative Socio-economic Advantage and Disadvantage, 2021, as a national decile: 1 = among the 10% most disadvantaged areas in Australia, 10 = among the 10% most advantaged. IRSAD summarises both advantage and disadvantage, so a high score reflects relatively many high-income, well-educated households and few low-income, low-skill ones.
6
Higher than 57% of council (lga) areas.
ABS Index of Relative Socio-economic Disadvantage, 2021, as a national decile: 1 = among the 10% most disadvantaged areas in Australia, 10 = among the least disadvantaged. IRSD focuses on disadvantage alone (low income, low education, unemployment, unskilled occupations), so a higher decile means relatively less disadvantage.
6
Higher than 57% of council (lga) areas.
ABS Index of Economic Resources, 2021, as a national decile: 1 = among the 10% lowest areas for economic resources in Australia, 10 = among the highest. IER reflects the income, housing costs, dwelling size and assets of households, so a higher decile means relatively greater economic resources.
8
Higher than 71% of council (lga) areas.
ABS Index of Education and Occupation, 2021, as a national decile: 1 = among the 10% lowest areas for education and occupation in Australia, 10 = among the highest. IEO reflects residents' qualifications and the skill level of their jobs, so a higher decile means a more highly educated and skilled workforce.
973
Higher than 65% of council (lga) areas.
ABS Index of Relative Socio-economic Advantage and Disadvantage, 2021, as a raw index score (standardised so the Australian average is about 1000). Higher scores indicate relatively greater advantage; lower scores greater disadvantage.
Annual population estimates and change since the census.
Growth has been very slow, rising by only 0.4% since 2021. This is far below the Western Australia figure of 10.7%.
469
Lower than 95% of council (lga) areas.
Estimated resident population (ABS), 2025.
0.4%
Lower than 83% of council (lga) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
There are 102 businesses here, which is smaller than about 90% of similar areas. No new dwellings were approved during the census period.
102
Lower than 91% of council (lga) areas.
Operating businesses (ABS Counts of Australian Businesses), June 2025.
0
Lower than 99% of council (lga) areas.
Dwelling units approved in 2024-25 (ABS Building Approvals).
Australian Bureau of Statistics. (2021). Economy & Advantage in Mount Marshall [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/lga/LGA55880/mount-marshall/topic/economy-advantage
