Suburb profile · ABS Census 2021
Seaford suburb profile
Seaford, SA · Postcode 5169
This Seaford suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Seaford, SA (postcode 5169). 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 Seaford with nearby suburbs.
Seaford at a glance
Population
4,493
Median rent
$330/wk
Household income
$1,254/wk
Median age
43
Seaford 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
+7.6% over 10 years
Population
4,493
was 4,444 in 2016
+49 · +1.1%
Median rent
$330/wk
was $305/wk in 2016
+$25 · +8.2%
Household income
$1,254/wk
was $1,083/wk in 2016
+$171 · +15.8%
Median age
43
was 41 in 2016
+2 · +4.9%
Dig deeper: Seaford population growth · Seaford then and now
Seaford vs nearby & Greater Adelaide
Median Census 2021 figures for Seaford, nearby suburbs (8), and the Adelaide metro median (suburbs with 1,000+ people).
Rent
+1.2% vs area
- Seaford$330/wk
- Nearby$329/wk
- Adelaide$326/wk
Household income
-22% vs area
- Seaford$1,254/wk
- Nearby$1,489.5/wk
- Adelaide$1,607/wk
Median age
+7.5% vs area
- Seaford43
- Nearby39.5
- Adelaide40
Personal income
-17.9% vs area
- Seaford$656/wk
- Nearby$706.5/wk
- Adelaide$799/wk
Nearby uses the same postcode first, then larger suburbs in SA. See Adelaide rankings.
Socio-economic profile
How Seaford compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Seaford sits below average for socio-economic advantage compared with suburbs Australia-wide. It shows limited economic resources and lower education and occupation levels.
Relative disadvantage (IRSD)
Decile 3974.4
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 3934.4
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 3974.1
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 3926
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Seaford on the map
OpenStreetMap outline for Seaford, SA.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Seaford people
- Population
- 4,493
- Median age
- 43
- Born overseas
- 24.3%
- Average household size
- 2.3
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Seaford income
- Median household income
- $1,254/wk
- Median personal income
- $656/wk
Median total weekly household income
Median total weekly personal income
Seaford housing
- Median rent
- $330/wk
- Median mortgage repayment
- $1,400/mo
- Separate houses
- 80.4%
- Flats & apartments
- 4.3%
- Owned outright
- 29.3%
- Mortgaged
- 33.1%
- Rented
- 24.7%
- Unoccupied dwellings
- 5.6%
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
Seaford work
- Employment to population
- 50%
- Unemployment rate
- 6.8%
- Year 12 or above
- 45.4%
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 5169)
Compare Seaford with nearby suburbs
Seaford in numbers
Seaford had 4,493 residents at the 2021 Census, making it the 105th most populous suburb or locality in SA out of 1,624. The median age is 43, close to the typical SA suburb. The average household has 2.3 people. 24.3% of residents were born overseas.
Among occupied homes, 29.3% own their home outright, 33.1% are paying a mortgage, 24.7% rent. Separate houses make up 80.4% of dwellings, with 4.3% in flats or apartments. Median rent was $330/wk, 6% above the typical SA suburb.
Median household income was $1,254/wk, 18% below the typical SA suburb. The unemployment rate on Census night was 6.8%. 45.4% of adults had completed Year 12 or above. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 3 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population grew 1.1% (from 4,444 to 4,493). Median rent moved from $305/wk to $330/wk (+8.2%).
Seaford suburb FAQs
- What is the median rent in Seaford, SA?
- The median weekly rent in Seaford was $330/wk at the 2021 Census (ABS).
- How many people live in Seaford, SA?
- Seaford had 4,493 residents at the 2021 Census, up 1.1% from 2016.
- What is the median household income in Seaford?
- Median household income in Seaford was $1,254/wk at the 2021 Census.
- Do most people rent or own in Seaford?
- 24.7% of occupied homes in Seaford were rented, 29.3% were owned outright and 33.1% were owned with a mortgage.
About this Seaford suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Seaford (SA). 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