Suburb profile · ABS Census 2021
Second Valley suburb profile
Second Valley, SA · Postcode 5204
This Second Valley suburb profile summarises official Australian Bureau of Statistics Census 2021 data for Second Valley, SA (postcode 5204). 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 Second Valley with nearby suburbs.
Second Valley at a glance
Population
154
Median rent
$200/wk
Household income
$1,019/wk
Median age
65
Second Valley 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
+9.2% over 10 years
Population
154
was 162 in 2016
-8 · -4.9%
Median rent
$200/wk
was $220/wk in 2016
$20 · -9.1%
Household income
$1,019/wk
was $811/wk in 2016
+$208 · +25.6%
Median age
65
was 56 in 2016
+9 · +16.1%
Dig deeper: Second Valley population growth · Second Valley then and now
Second Valley vs nearby & SA
Median Census 2021 figures for Second Valley, nearby suburbs (8), and the SA state median (suburbs with 1,000+ people).
Rent
-37.5% vs area
- Second Valley$200/wk
- Nearby$302.5/wk
- SA$320/wk
Household income
-34.6% vs area
- Second Valley$1,019/wk
- Nearby$1,031/wk
- SA$1,559/wk
Median age
+58.5% vs area
- Second Valley65
- Nearby53
- SA41
Personal income
-34.1% vs area
- Second Valley$515/wk
- Nearby$558/wk
- SA$781/wk
Nearby uses the same postcode first, then larger suburbs in SA.
Socio-economic profile
How Second Valley compares to other Australian suburbs on income, education and occupation — from official ABS SEIFA 2021 data.
Second Valley sits below average for socio-economic advantage compared with suburbs Australia-wide. It shows limited economic resources.
Relative disadvantage (IRSD)
Decile 2943.9
Lower score / decile = more relative disadvantage
Advantage & disadvantage (IRSAD)
Decile 2921.9
Higher score / decile = more relative advantage
Economic resources (IER)
Decile 2946.5
Access to economic resources (income, housing)
Education & occupation (IEO)
Decile 4958.1
Education and occupational skill levels
Source: ABS SEIFA 2021. See methodology.
Second Valley on the map
OpenStreetMap outline for Second Valley, SA.
Map data © OpenStreetMap contributors. Boundary matching is approximate.
Second Valley people
- Population
- 154
- Median age
- 65
- Born overseas
- 24.7%
- Average household size
- 1.8
Total usual residents (Census 2021)
Median age of residents in years
Percentage born outside Australia
Average number of people per household
Second Valley income
- Median household income
- $1,019/wk
- Median personal income
- $515/wk
Median total weekly household income
Median total weekly personal income
Second Valley housing
- Median rent
- $200/wk
- Median mortgage repayment
- $1,400/mo
- Separate houses
- 34.8%
- Flats & apartments
- 0%
- Owned outright
- 22.2%
- Mortgaged
- 6.1%
- Rented
- 5.7%
- Unoccupied dwellings
- 67.4%
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
Second Valley work
- Employment to population
- 32.6%
- Unemployment rate
- 0%
- Year 12 or above
- 45.3%
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 5204)
Compare Second Valley with nearby suburbs
Second Valley in numbers
Second Valley had 154 residents at the 2021 Census. The median age is 65, 55% above the typical SA suburb. The average household has 1.8 people. 24.7% of residents were born overseas.
Among occupied homes, 22.2% own their home outright, 6.1% are paying a mortgage, 5.7% rent. Separate houses make up 34.8% of dwellings, with 0% in flats or apartments. Median rent was $200/wk, 35% below the typical SA suburb.
Median household income was $1,019/wk, 33% below the typical SA suburb. On the ABS SEIFA index of relative socio-economic disadvantage it sits in decile 2 nationally (1 is most disadvantaged, 10 least).
Between the 2016 and 2021 Censuses the population fell 4.9% (from 162 to 154). Median rent moved from $220/wk to $200/wk (-9.1%).
Second Valley suburb FAQs
- What is the median rent in Second Valley, SA?
- The median weekly rent in Second Valley was $200/wk at the 2021 Census (ABS).
- How many people live in Second Valley, SA?
- Second Valley had 154 residents at the 2021 Census, down 4.9% from 2016.
- What is the median household income in Second Valley?
- Median household income in Second Valley was $1,019/wk at the 2021 Census.
- Do most people rent or own in Second Valley?
- 5.7% of occupied homes in Second Valley were rented, 22.2% were owned outright and 6.1% were owned with a mortgage.
About this Second Valley suburb profile
Figures are from the ABS Census of Population and Housing 2021 (General Community Profile) for the Suburbs and Localities boundary matching Second Valley. 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