Marino - Seaview Downs

Marino - Seaview Downs is a growing region in SA with 10,209 residents.

SA2 code: 403021060
State: SA

Population

10,209

Estimated 2025

5-Year Growth

+4.6%

3yr: +3.7% · 10yr: +7.5%

5-year growth

Median Rent

$375/wk

Census 2021

Median Income

$1,821/wk

Household, Census 2021

Population over time — Marino - Seaview Downs (SA2)

Source: ABS ERP (latest release · 2025) · Census 2021. Numbers refreshed quarterly.

Growth at a Glance

3yr: +3.7%5yr: +4.6%10yr: +7.5%Total: +13.5%

Population grew from 8,997 to 10,209 over 24 years, averaging 0.5% per year.

Demand & supply signals

Derived signals haven't been computed for this region yet.

Roadmap signals

Two more derived metrics are defined in the platform and waiting on upstream-data orchestration. Each will populate here once its source series is wired through.

Affordability trend

Coming soon

RPPI year-on-year divided by WPI year-on-year. Above 1.0 means home prices are outpacing wages; below 1.0 means wages are catching up.

Awaiting: ABS RPPI (6432.0) + WPI (6345.0) GCCSA-grain orchestration.

Rent–price momentum spread

Coming soon

CPI rents year-on-year minus RPPI year-on-year. Positive means rents are gaining on prices; negative means prices are running ahead of rents.

Awaiting: ABS CPI rents component + RPPI orchestration.

Profile

Census snapshot

ABS · 2021

Housing

Public housing 1.2%

Almost entirely detached houses (92.9%), owner-occupied (83.1%), built for families (54% are 3 bed).

Dwelling mix

Houses 92.9%

3,421 houses221 townhouses40 apartments

Tenure

Owned 39.6%

Mortgage 43.5%

Owned 39.6%Mortgage 43.5%Renting 14.9%Other / NS 2.0%

Number of bedrooms

1 bed

36 (1.0%)

2 bed

348 (9.5%)

3 bed

1,974 (54.0%)

4 bed

1,057 (28.9%)

5 bed

208 (5.7%)

6+ bed

33 (0.9%)