Suburb profile · ABS Census 2021
Seacliff Park suburb profile
Seacliff Park, SA · Postcode 5049
This Seacliff Park suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Seacliff Park, SA (postcode 5049). 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 Seacliff Park with nearby suburbs.
Seacliff Park at a glance
Population
2,644
Median rent
$370/wk
Household income
$1,693/wk
Median age
41
Seacliff Park 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
+14.7% over 10 years
Population
2,644
was 2,439 in 2016
+205 · +8.4%
Median rent
$370/wk
was $330/wk in 2016
+$40 · +12.1%
Household income
$1,693/wk
was $1,411/wk in 2016
+$282 · +20%
Median age
41
was 42 in 2016
-1 · -2.4%
Dig deeper: Seacliff Park population growth · Seacliff Park then and now
Seacliff Park vs nearby & Greater Adelaide
Median Census 2021 figures for Seacliff Park, nearby suburbs (8), and the Adelaide metro median (suburbs with 1,000+ people).
Rent
+13.5% vs area
- Seacliff Park$370/wk
- Nearby$355/wk
- Adelaide$326/wk
Household income
+5.4% vs area
- Seacliff Park$1,693/wk
- Nearby$1,825.5/wk
- Adelaide$1,607/wk
Median age
+2.5% vs area
- Seacliff Park41
- Nearby46.5
- Adelaide40
Personal income
+7.1% vs area
- Seacliff Park$856/wk
- Nearby$870.5/wk
- Adelaide$799/wk
Nearby uses the same postcode first, then larger suburbs in SA. See Adelaide rankings.
Socio-economic profile
How Seacliff Park compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Seacliff Park sits above average for socio-economic advantage compared with suburbs Australia-wide.
Relative disadvantage (IRSD)
Decile 81,055.4
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 81,034.7
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 61,031.3
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 81,040.8
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Seacliff Park on the map
OpenStreetMap outline for Seacliff Park, SA.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Seacliff Park people
- Population
- 2,644
- Median age
- 41
- Born overseas
- 25.7%
- Average household size
- 2.4
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Seacliff Park income
- Median household income
- $1,693/wk
- Median personal income
- $856/wk
Median total weekly household income
Median total weekly personal income
Seacliff Park housing
- Median rent
- $370/wk
- Median mortgage repayment
- $1,800/mo
- Separate houses
- 78.9%
- Flats & apartments
- 2.9%
- Owned outright
- 34.7%
- Mortgaged
- 38.1%
- Rented
- 19.4%
- Unoccupied dwellings
- 5.9%
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
Seacliff Park work
- Employment to population
- 62.8%
- Unemployment rate
- 4.4%
- Year 12 or above
- 62.7%
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 5049)
Compare Seacliff Park with nearby suburbs
Seacliff Park in numbers
Seacliff Park had 2,644 residents at the 2021 Census, making it the 239th most populous suburb or locality in SA out of 1,624. The median age is 41, close to the typical SA suburb. The average household has 2.4 people. 25.7% of residents were born overseas.
Among occupied homes, 34.7% own their home outright, 38.1% are paying a mortgage, 19.4% rent. Separate houses make up 78.9% of dwellings, with 2.9% in flats or apartments. Median rent was $370/wk, 19% above the typical SA suburb.
Median household income was $1,693/wk, 11% above the typical SA suburb. The unemployment rate on Census night was 4.4%. 62.7% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 8 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 8.4% (from 2,439 to 2,644). Median rent moved from $330/wk to $370/wk (+12.1%).
Seacliff Park suburb FAQs
- What is the median rent in Seacliff Park, SA?
- The median weekly rent in Seacliff Park was $370/wk at the 2021 Census (ABS).
- How many people live in Seacliff Park, SA?
- Seacliff Park had 2,644 residents at the 2021 Census, up 8.4% from 2016.
- What is the median household income in Seacliff Park?
- Median household income in Seacliff Park was $1,693/wk at the 2021 Census.
- Do most people rent or own in Seacliff Park?
- 19.4% of occupied homes in Seacliff Park were rented, 34.7% were owned outright and 38.1% were owned with a mortgage.
About this Seacliff Park suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Seacliff Park. 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