Located in South Australia, Second Valley sits 91 km from Adelaide CBD, around 1 hour 25 minutes by car. The locality has 154 residents, a median age of 65, and a median household income of $52,988 per year. On socioeconomic measures it sits in the bottom 20% nationally. Population fell 4.9% from 2016 to 2021. The 2021 Census recorded a median rent of $200 per week and a median monthly mortgage of $1,400. The area shows high crime risk. Walkability is low.
This locality is too small to rate.
The Liveability Rating is calculated for suburbs of 500 residents or more, and this one has 154. Below that the school, census and safety figures behind the score cover too few people to rank fairly against the rest of the state. The individual measures further down this page are still shown.
How do you rate the liveability in Second Valley?
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Our score
Not enough data to score this locality.
Residents say
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Median House Price
Public listings dataSecond Valley's house market is moving higher: the median sale price reached $661,000, roughly 22% above where it sat a year earlier.
Houses
$661,250
Based on 10 recorded sales in the last 24 months.
Typically sold in 100 days — median across 3 sales that recorded a listing period
By bedrooms
- 3 bed 5 sales $638K
Land
$595,000
Based on only 3 sales — small sample, take as indicative.
Currently for Sale
Last 6 monthsHouses in Second Valley are currently listed at around $751,000 on average. Based on 4 houses listed in the past six months.
$751K
4 houses listed in the last 6 months.
4 of the suburb's 80 dwellings (5.0%) were listed for sale in the last 6 months.
Rental Market
Rental affordability
June quarter 202591 Unaffordable · the average rental household in this region would pay about 33% of its income on the median rent in postcode 5204.
SGS Rental Affordability Index: a score of 100 means rent takes 30% of income, the usual housing-stress line; lower scores are less affordable. "Region" is the capital city or the rest of the state.
Is Second Valley safe? Crime statistics
2026Crime in Second Valley sits in the high band, with 11 incidents recorded in 2026 — up roughly 57% on the prior year.
11 offences
57.1% since 2025Crime Trend
Serious Road Crashes
2021–20252 crashes
where someone was killed or admitted to hospital, 1 of them fatal
Crashes are counted where they happened, so a main road through the locality carries people passing through; this is not a measure of risk to residents. This state’s crash data does not name the road.
Coastal Erosion
Shoreline Change Summary
1988–2025Nearest Eroding Coastline
- Distance
- 1.3 km
- Rate
- -0.18 m/yr
- Net Movement
- -5.3 m
- Certainty
- good
Data Quality
Schools
Walkability
Second Valley is very car-dependent on foot — at 8/100, nearly all errands require a car.
NBN connectivity
The internet access technology available across NBN premises in Second Valley.
- Full-fibre (FTTP) share
- 0%
- Premises covered
- 197
NBN Co fixed-line and fixed-wireless premises, as at 30 December 2025. Higher-quality technologies (full fibre) score above copper, wireless, and satellite. Actual speeds depend on your plan.
Amenities
Yankalilla: council population
The three add up to the change above. These are council-wide figures from the ABS, not figures for this locality alone — this locality's own population is in the census section above.
Socio-economic profile
Second Valley is home to 154 residents, with a median age of 65 — noticeably older than the national figure of 38. Median household income runs at $53,000 a year, with unemployment at 0.0%.
2021 Census · change since 2016
Population
154
Median Age
65
Median Household Income
$52,988/yr
Census Median Rent
$200/wk
Census Median Mortgage
$1,400/mo
Avg Household Size
1.8
Median Personal Income
$26,780/yr
Unemployment Rate
0.0%
Unoccupied Dwellings
193.8%
Total Dwellings
80
Owner-Occupier Rate
83.3%
Houses
100.0%
Rental Stress
19.6%
Mortgage Stress
31.7%
Work From Home
31.0%
Dwelling Types
Property Ownership
Demographics
- Born in Australia
- 70.1%
- English Spoken at Home
- 90.3%
- Employment Rate
- 32.6%
- Completed Year 12
- 40.9%
Occupations
Religion
Country of Birth (overseas)
Largest overseas birthplaces, as a share of all residents.
Age Distribution
Family & Household Composition
Commute to Work
Education
Cars per Dwelling
Council Rates
Households face an average residential rates bill of $2,546 a year through Yankalilla based on 2024 figures.
How this land is zoned
- Rural and farming 97%
- Environmental 1%
- Residential 1%
Zoning sets what may be built, not what is there today. A single address can sit in a different zone to the locality around it — the property page shows the zone for one address.
Building Approvals: Yankalilla
In the year to August 2026, 58 new dwellings were approved across Yankalilla. That mix is 54 houses and 4 units. Approvals are down 55.0% on the same period a year earlier.
Climate & Setting
from Myponga, 26.3 kmModerate rainfall.
- Elevation
- 58 m
- above sea level, at the locality centre
- Distance to the ocean
- 1.3 km
- Annual rainfall
- 786 mm
- 112 rainy days
- Summer max (Jan)
- —
- Winter min (Jul)
- —
Elevation is the ground at the locality centre, from Geoscience Australia's National Digital Elevation Model. Approximate — it reads high in dense built-up areas. It is a measure of height above sea level and not an indicator of flood risk, which depends on height above nearby waterways.
EV adoption
In postcode 5204, 22 of 3,374 registered light vehicles are battery-electric on 31 January 2025. A further 1.7% (58 vehicles) are hybrid or plug-in hybrid, taking the non-petrol, non-diesel share to 2.4%.
Rooftop solar
In postcode 5204, 1,932 rooftop-solar systems totalling 11.2 MW have been installed since 2001, against 3,045 dwellings recorded in the 2021 Census. 89 went up in the last year.
Counts every system certified since 2001, so a roof re-fitted with a newer system is counted twice, and small commercial systems are included alongside houses — useful for comparing postcodes, not an estimate of how many homes have working panels today.
2026 covers part of the year only, to 2026-07.
First Home Owner Grant
FY2026-27$15,000 for new homes.
No purchase-price cap. Stamp duty is fully exempted for eligible first-home buyers as a separate concession.
Mortgage repayments
1 mortgage broker is registered in postcode 5204.
Conveyance duty at the owner-occupier rate, and it excludes first home buyer concessions — those can cut it substantially or remove it entirely. Excludes legal, inspection and lender fees. Check with RevenueSA
A deposit under 20% usually attracts Lenders Mortgage Insurance, which this doesn't include.
Principal and interest over 30 years, fixed rate. Excludes fees, offset, redraw and LMI. Default rate is the median comparison rate across 1788 advertised products as at 2026-10-27 — indicative only, and not an offer. Your rate depends on the lender, your deposit and your circumstances. Not financial advice.
Federal Electorate
Currently held by Rebekha Sharkie Centre Alliance
| Year | Winner | 2PP ALP | 2PP LNP | Swing |
|---|---|---|---|---|
| 2025 | Rebekha Sharkie | 55.0% | 45.0% | +3.4 |
| 2022 | Rebekha Sharkie | 51.6% | 48.4% | -4.1 |
| 2019 | Rebekha Sharkie | 47.5% | 52.5% | -0.7 |
Results are per division — federal electoral boundaries are redrawn periodically, so the history reflects this division's past, not necessarily the exact locality's voters across time.
State Electorate
Currently held by Jenni Mitton Australian Labor Party
Next state election: 16 March 2030.
| Year | Winner | Won with |
|---|---|---|
| 2026 | Jenni Mitton ALP | 56.6% |
| 2022 | Leon Bignell ALP | 63.8% |
Results are per district. Districts were last redrawn in 2024, so results from before then describe the district of that name, not necessarily this locality's voters. Results: Electoral Commission of South Australia.
Looking at a specific address in Second Valley?
Every figure above is a locality average, and an average smooths over the difference between a street of family homes and a block of flats. Look up one address and you get the census for the few hundred people around it, its own nearest schools and stops, and what the state has mapped for that block.
- The census for a few hundred neighbours, not all 154 residents
- Nearest and zoned schools, with the walk from that door
- Flood, bushfire and noise mapping, where the state publishes it
Free to look up. Subscribers see every section in full — $29/month.
Nearby suburbs
Compare Second Valley to another suburb
Side-by-side stats for any other SA suburb — type a name and pick one.
Or jump straight to a nearby comparison:
Common questions about Second Valley
Is Second Valley a safe place to live?
Recorded crime in Second Valley is high (82/100, ranked against other SA suburbs on offences per resident). Offences against shops, venues and visitors are divided by the people who live here, so suburbs with large daytime or visitor populations rank higher than living there may feel.
What natural hazards affect Second Valley?
Second Valley has a low recorded bushfire history (26/100, ranked against every Australian suburb with any fire history). These are locality-wide figures; check the address, as flood and bushfire exposure change street by street.
What is the population of Second Valley?
Second Valley, SA had a population of 154 at the 2021 Australian Bureau of Statistics census.
What is the postcode for Second Valley, SA?
The postcode for Second Valley, SA is 5204.
How far is Second Valley from Adelaide?
Second Valley is 91 km from Adelaide CBD by road, about 85 minutes by car in normal traffic. Distance is the most-direct driving route, not straight-line.
What is the median household income in Second Valley?
At the 2021 ABS Census, median household income in Second Valley was $52,988 a year. It is the most recent suburb-level income figure until 2026 Census results are released in 2027.
What is the median weekly rent in Second Valley?
There are too few current rental listings in Second Valley for a reliable median. At the 2021 ABS Census the median weekly rent was $200, across all dwelling types.
What is the median age in Second Valley?
The median age of residents in Second Valley was 65 at the 2021 ABS Census.
Is Second Valley at risk of bushfire?
Second Valley has a low recorded bushfire history (26/100). The score comes from Geoscience Australia's historical bushfire boundaries, with planned burns excluded: the area of recorded fires touching the locality relative to its size, ranked against every Australian suburb with any fire history. It records where fire has burned, not a bushfire-prone land designation, which your council's planning scheme sets.
Is Second Valley walkable?
Second Valley scores 8/100 on the SuburbScan Walkability Score, making it very car-dependent. The score is a weighted average of public transport, schools, parks, supermarkets, GPs, pharmacies, childcare, and hospitals within walking distance.
What is the weather like in Second Valley?
At the nearest Bureau of Meteorology station to Second Valley, Myponga (26.3 km away), 786 mm of rain a year over 112 rainy days over 2006-2026.
Is the First Home Owner Grant available in Second Valley?
First-home buyers in SA may be eligible for $15,000 towards new homes. The grant is administered by RevenueSA; confirm current eligibility before signing a contract — state rules and amounts can change.
What council does Second Valley belong to?
Second Valley sits within the Yankalilla local government area. Council rates, planning approvals, and waste collection fall under this LGA.
How much are council rates in Second Valley?
The average residential rates bill through Yankalilla is $2,546 a year (2024). Every suburb in this LGA shares the same schedule — individual bills vary with land value.
How much is being built near Second Valley?
Across Yankalilla, 58 new residential dwellings were approved in the year to August 2026 (source: ABS Building Approvals). That's down 55.0% on the same period a year earlier. These are LGA-level totals — every suburb in the council shares the same figure.
Which federal electorate is Second Valley in?
Second Valley sits within the federal Division of Mayo, currently held by Rebekha Sharkie (Centre Alliance).
Search another suburb or address
Data freshness
- Census · 2021
- Median sale prices · Oct 2026
- For-sale & rental market · Oct 2026
- Council rates · FY 2024–25
- Building approvals · Aug 2026
- Schools · 2025
- NBN connectivity · Dec 2025
- Crime · 2026
- Road crashes · 2021–2025
- Climate · 2006–2026
- Socio-economic (SEIFA) · 2021
- EV adoption · Jan 2025
- First Home Owner Grant · Sep 2026
- Federal electorate · 2025
- State electorate · 2026
- Amenities · Sep 2026
- Health & emergency facilities · Sep 2026
- Industrial emissions (NPI) · 2024/2025
- Coastal erosion · 1988–2025
- Aircraft noise · 2024
Vintages show when each source's data is from. See all data sources.
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Information shown is provided as-is from Australian government and commercial data sources.
Always verify with the relevant authority before making property decisions.
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