Seaford · Statistical Area 2 (SA2)
How well-off the area is, how fast its population is growing, and the businesses and new homes here.
A total of 1,671 businesses operate in Seaford, making it a larger commercial hub than about 81% of similar areas. The suburb's general wealth and resources sit right in the middle compared to other Australian regions. While its population has grown by 5.4% since 2021, this is a little below the 8.0% rise seen across Victoria.
All statistical area 2 (sa2) areas, 2021. The marker is Seaford — lower than 57% of areas.
| Seaford | 5 |
|---|---|
| 3198, VIC | 6 |
SEIFA indexes ranking relative advantage and disadvantage.
Residents generally have a typical level of advantage, scoring 5 out of 10 compared to all areas. While access to money and resources is lower than 60% of similar places, the area's education and job skills are higher than about 60% of its peers.
5
Lower than 57% of statistical area 2 (sa2) 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.
5
Lower than 57% of statistical area 2 (sa2) 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.
4
Lower than 64% of statistical area 2 (sa2) 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.
6
Higher than 57% of statistical area 2 (sa2) 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.
979
Lower than 58% of statistical area 2 (sa2) 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.
The population has grown to 18,305 people, which is larger than about 83% of similar areas. This growth rate of 5.4% since 2021 is around the middle for its level.
18,305
Higher than 83% of statistical area 2 (sa2) areas.
Estimated resident population (ABS), 2025.
5.4%
Higher than 58% of statistical area 2 (sa2) areas.
Population growth since the 2021 Census, from ABS annual estimates.
Operating businesses and dwellings approved.
Seaford has a strong business presence with 1,671 enterprises, a figure that is larger than about 81% of similar areas.
1,671
Higher than 80% of statistical area 2 (sa2) areas.
Operating businesses (ABS Counts of Australian Businesses), June 2025.
Australian Bureau of Statistics. (2021). Economy & Advantage in Seaford [Census of Population and Housing]. CensusAtlas, used under CC BY 4.0. https://censusatlas.au/region/sa2/214011375/seaford/topic/economy-advantage
