Seacombe Gardens SA 5047
Seacombe Gardens sits 15 km from Adelaide CBD in South Australia, around 23 minutes by car. Census data records 3,373 residents with a median age of 35 and a median household income of $73,840 per year. By household income, education, and employment patterns, it ranks in the lower-middle tier nationally. The suburb grew 12.2% between 2016 and 2021. At the 2021 Census, households here paid a median rent of $370 per week and a median monthly mortgage of $1,672. Seacombe Gardens is characterised by high flood risk and high crime risk. 2 schools sit within the suburb boundary, and walkability is high.
Is Seacombe Gardens a good suburb?
Seacombe Gardens scores a C (48/100) on SuburbScan's Liveability grade — strong on transit, weaker on safety.
Mixed results
2 schools
Very walkable
Walkability 88/100 · 15.1 km · 23 min drive to Adelaide
Around the state median
Median $901K
High flood risk
Fire 0/100 · Crime 65/100 · Flood 88/100
Below-average income
SEIFA decile 4/10 · median age 35 · 3,373 residents
Liveability Rating
48 / 100 · Ranked #288 in SAEach bar is Seacombe Gardens's rank among SA suburbs, from 0 to 100 (higher is better). Scored on 4 of 5 factors: no school data, so the other factors carry its weight.
How do you rate the liveability in Seacombe Gardens?
Local knowledge beats any dataset. Rate it and see what other residents think.
Our score
48 / 100
From schools, safety and socio-economic data — not opinion.
Residents say
…
Median House Price
Public listings dataSeacombe Gardens's house market is moving higher: the median sale price reached $901,000, roughly 16% above where it sat a year earlier.
Houses
$901,250
10% below its 8 neighbours (median $1,000,000)
Based on 100 recorded sales in the last 24 months.
Typically sold in 18 days — median across 33 sales that recorded a listing period
By bedrooms
- 2 bed 9 sales $736K
- 3 bed 82 sales $901K
- 4 bed 9 sales $1.01M
Land
$563,950
Based on only 6 sales — small sample, take as indicative.
Currently for Sale
Last 6 monthsHouses in Seacombe Gardens are currently listed at around $917,000 on average. Based on 10 houses listed in the past six months.
$917K
10 houses listed in the last 6 months.
10 of the suburb's 1,416 dwellings (0.7%) were listed for sale in the last 6 months.
Rental Market
Advertised rents · last 6 monthsHouses in Seacombe Gardens rent for around $650 a week on average, based on 15 houses listed for rent in the past six months.
$650/wk
7% below its 5 neighbours (median $700/wk)
15 houses advertised for rent in the last 6 months.
15 rentals advertised against an estimated 619 rented homes (2.4%) in the last 6 months.
Rent agreed on new leases
Apr–Jun 2026- 3-bed houses
- $650/wk
- 15 bonds
- +44% since 2021
Median weekly rent on bonds lodged for new tenancies. Change since 2021 compares the median of the first four quarters with the last four. Asking rents above come from advertised listings.
Rental affordability
June quarter 202598 Unaffordable · the average rental household in this region would pay about 31% of its income on the median rent in postcode 5047.
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.
Gross rental yield
Indicative$650/week ($34,000 a year) on a $917,000 median
Gross yield — before strata, rates, management, insurance and vacancy. Calculated from median advertised rents and median asking prices over the last 6 months. How we calculate.
Is Seacombe Gardens safe? Crime statistics
2026Crime in Seacombe Gardens sits in the moderate band, with 137 incidents recorded in 2026 — up roughly 34% on the prior year.
137 offences
34.3% since 2025Crime Trend
Serious Road Crashes
2021–20251 crash
where someone was killed or admitted to hospital
Crashes are counted where they happened, so a main road through the suburb carries people passing through; this is not a measure of risk to residents. This state’s crash data does not name the road.
Schools
Two schools serve Seacombe Gardens, and the cohort is trailing peer-suburb performance.
- • 613 students across 2 schools (avg 306)
- • Sectors: 1 Government, 1 Catholic
- • ICSEA 964-1086, median 1025 (above the national baseline of 1000)
- • Largest: Stella Maris Parish School (429 students)
Primary
Universities nearby
- 2.2 kmBedford ParkFlinders University · 399 courses
- 3.6 kmTonsleyFlinders University · 63 courses
3.5% of residents here are full-time university students aged 15–24.
Distance is measured to the suburb centre. A campus nearby does not by itself mean a student rental market — most suburbs within a few kilometres of one have a student share close to the national norm, and the figure above is what tells them apart.
Walkability
Seacombe Gardens is very walkable on foot — at 88/100, most daily errands can be done on foot.
Public transport
Weekday and weekend service frequency across every stop inside Seacombe Gardens.
- Peak (7-9am + 5-7pm)
- 58.2 arrivals/hr
- Off-peak weekday
- 48.0 arrivals/hr
- Saturday
- 23.0 arrivals/hr
- Median peak wait
- 1 min
- Span of service
- 18.7 hours
Scheduled service only, based on the 21 October 2026 timetable. Reliability (delays, cancellations) not measured.
NBN connectivity
The internet access technology available across NBN premises in Seacombe Gardens.
- Full-fibre (FTTP) share
- 4%
- Premises covered
- 1,668
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
Marion: council population
The three add up to the change above. These are council-wide figures from the ABS, not figures for this suburb alone — this suburb's own population is in the census section above.
Socio-economic profile
The ABS scores 4 small areas inside this suburb and averages them into the single decile above. They fall into 2 different deciles — a narrow range, so the average describes the suburb closely.
Seacombe Gardens is home to about 3,400 residents, with a median age of 35, broadly in line with the national figure. Median household income runs at $74,000 a year, with unemployment at 4.6%.
2021 Census · change since 2016
Population
3,373
Median Age
35
Median Household Income
$73,840/yr
Census Median Rent
$370/wk
Census Median Mortgage
$1,672/mo
Avg Household Size
2.3
Median Personal Income
$37,180/yr
Unemployment Rate
4.6%
Unoccupied Dwellings
5.9%
Total Dwellings
1,416
Owner-Occupier Rate
56.3%
Houses
57.1%
Rental Stress
26.1%
Mortgage Stress
27.2%
Work From Home
8.9%
Dwelling Types
Property Ownership
169 rented from a state or territory housing authority and 49 from a community housing provider, as a share of the 604 rented dwellings above — not of all dwellings.
Demographics
- Born in Australia
- 60.9%
- English Spoken at Home
- 67.2%
- Employment Rate
- 58.8%
- Completed Year 12
- 51.5%
Occupations
Religion
Country of Birth (overseas)
Largest overseas birthplaces, as a share of all residents.
When They Arrived
Share of all residents by the year they arrived in Australia. Periods cover different numbers of years, so compare the shape rather than the bar widths.
309 residents (9.2%) arrived since 2016. Australia’s borders were closed to most arrivals from March 2020, so the last two years of that period are much smaller than the ones before them — nationally 260,799 people arrived in 2019 against 28,521 in 2021.
Where New Residents Came From
Where residents aged five and over lived five years before the 2021 Census, for those who lived somewhere else.
Top places newcomers came from, as a share of the 3,183 residents aged five and over. Areas are ABS statistical regions. Small counts are approximate: the ABS adjusts every figure slightly to protect privacy.
Languages Spoken at Home
Top languages other than English, as a share of all residents.
Age Distribution
Family & Household Composition
Commute to Work
16% of employed residents work in a capital's city centre (272 of 1,675).
City centre: the ABS area around each capital's CBD, such as Sydney Inner City or Perth City (which takes in Subiaco and Leederville). 2021 Census place of work.
Education
Cars per Dwelling
Council Rates
Households face an average residential rates bill of $1,782 a year through Marion based on 2024 figures.
How this land is zoned
- Residential 100%
Zoning sets what may be built, not what is there today. A single address can sit in a different zone to the suburb around it — the property page shows the zone for one address.
Building Approvals: Marion
In the year to August 2026, 809 new dwellings were approved across Marion. That mix is 324 houses and 485 units. Approvals are down 31.2% on the same period a year earlier.
Air Quality
MODERATEPM2.5 averaged 6 µg/m³ in 2025 — below Australia's NEPM annual standard (8 µg/m³), slightly above the stricter WHO guideline (5 µg/m³).
PM10 averaged 17.8 µg/m³ · NO₂ averaged 1.12 pphm. Days over the limit in 2025: PM10 0 · NO₂ 0.
From the Adelaide CBD monitoring station, 11.6 km away.
Climate & Setting
from Adelaide Airport M.o., 8.2 kmDry climate — hot summers, mild winters.
- Elevation
- 39 m
- above sea level, at the suburb centre
- Distance to the ocean
- 2.7 km
- Annual rainfall
- 394 mm
- 71 rainy days
- Summer max (Jan)
- 28.1°C
- 16 days ≥ 35°C
- Winter min (Jul)
- 7.8°C
- 0 frost days ≤ 0°C
Elevation is the ground at the suburb 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.
Industrial Emissions Nearby
3 facilities within 5 km- 2.7 kmOther Motor Vehicle Parts ManufacturingTop reported: Total Volatile Organic Compounds · Toluene (methylbenzene) · Carbon monoxide
- 3.7 kmOther Non-Metallic Mineral Mining and QuarryingTop reported: Particulate Matter ≤10.0 µm (PM10) · Oxides of Nitrogen · Carbon monoxide
- 4.8 kmFuneral, Crematorium and Cemetery ServicesTop reported: Oxides of Nitrogen · Carbon monoxide · Total Volatile Organic Compounds
EV adoption
In postcode 5047, 79 of 6,635 registered light vehicles are battery-electric on 31 January 2025. A further 3.1% (208 vehicles) are hybrid or plug-in hybrid, taking the non-petrol, non-diesel share to 4.3%.
Rooftop solar
In postcode 5047, 2,079 rooftop-solar systems totalling 11.6 MW have been installed since 2001, against 3,886 dwellings recorded in the 2021 Census. 116 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
4 mortgage brokers are registered in postcode 5047.
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 Louise Miller-Frost Australian Labor Party
| Year | Winner | 2PP ALP | 2PP LNP | Swing |
|---|---|---|---|---|
| 2025 | Louise Miller-Frost | 61.1% | 38.9% | +7.8 |
| 2022 | Louise Miller-Frost | 53.3% | 46.7% | -4.7 |
| 2019 | Nicolle Flint | 48.6% | 51.4% | -1.3 |
Results are per division — federal electoral boundaries are redrawn periodically, so the history reflects this division's past, not necessarily the exact suburb's voters across time.
State Electorate
Currently held by Sarah Andrews Australian Labor Party
Next state election: 16 March 2030.
| Year | Winner | Won with |
|---|---|---|
| 2026 | Sarah Andrews ALP | 63.7% |
| 2022 | Sarah Andrews ALP | 52.5% |
Results are per district. Districts were last redrawn in 2024, so results from before then describe the district of that name, not necessarily this suburb's voters. Results: Electoral Commission of South Australia.
Looking at a specific address in Seacombe Gardens?
Every figure above is a suburb 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 3,373 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.
Featured in
Checking the whole city?
Suburbs to avoid in Adelaide There is no list of bad suburbs, but there are hazards the state measures and publishes — recorded crime, bushfire exposure, flood overlays and aircraft noise. Adelaide suburbs ranked on them, with what the numbers do and don't mean.Nearby suburbs
Warradale SA 5046
Marion SA 5043
Oaklands Park SA 5046
Dover Gardens SA 5048
Sturt SA 5047
Seaview Downs SA 5049
Compare Seacombe Gardens to another suburb
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Common questions about Seacombe Gardens
Is Seacombe Gardens a safe place to live?
Recorded crime in Seacombe Gardens is moderate (65/100, ranked against other SA suburbs on offences per resident).
What natural hazards affect Seacombe Gardens?
Seacombe Gardens has no recorded bushfire history. Flood overlays cover a high share of it (88/100). These are suburb-wide figures; check the address, as flood and bushfire exposure change street by street.
Is Seacombe Gardens a good place to live?
Seacombe Gardens has a SuburbScan Liveability grade of C (48/100), ranked against other SA suburbs on school quality (25%), safety (25%), SEIFA socio-economic advantage (25%), walkability (15%) and CBD access (10%). Whether it suits you depends on what you weigh — each of those is on this page.
What is the population of Seacombe Gardens?
Seacombe Gardens, SA had a population of 3,373 at the 2021 Australian Bureau of Statistics census.
What is the postcode for Seacombe Gardens, SA?
The postcode for Seacombe Gardens, SA is 5047.
How far is Seacombe Gardens from Adelaide?
Seacombe Gardens is 15 km from Adelaide CBD by road, about 23 minutes by car in normal traffic. Distance is the most-direct driving route, not straight-line.
What is the median household income in Seacombe Gardens?
At the 2021 ABS Census, median household income in Seacombe Gardens was $73,840 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 Seacombe Gardens?
The median advertised rent in Seacombe Gardens is $650 a week for houses (15 listings), from rental listings over the last six months.
What is the median age in Seacombe Gardens?
The median age of residents in Seacombe Gardens was 35 at the 2021 ABS Census.
How are the schools in Seacombe Gardens?
There are 2 schools inside the Seacombe Gardens boundary: 1 at and 1 below similar schools on NAPLAN, compared with same-state, same-type schools of similar socio-educational advantage (ICSEA).
Is Seacombe Gardens walkable?
Seacombe Gardens scores 88/100 on the SuburbScan Walkability Score, making it very walkable. The score is a weighted average of public transport, schools, parks, supermarkets, GPs, pharmacies, childcare, and hospitals within walking distance.
What is the air quality in Seacombe Gardens?
The nearest government air-quality monitoring station to Seacombe Gardens (Adelaide CBD) recorded a 2025 annual mean PM2.5 of 6.0 µg/m³ and PM10 of 17.8 µg/m³. That puts Seacombe Gardens below the Australian NEPM annual standard of 8 µg/m³ but above the stricter WHO guideline of 5 µg/m³.
What is the weather like in Seacombe Gardens?
At the nearest Bureau of Meteorology station to Seacombe Gardens, Adelaide Airport M.o. (8.2 km away), summer days average 28.1°C, winter nights 7.8°C, 394 mm of rain a year over 71 rainy days, and 16 days a year above 35°C over 2006-2026.
Is the First Home Owner Grant available in Seacombe Gardens?
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 Seacombe Gardens belong to?
Seacombe Gardens sits within the Marion local government area. Council rates, planning approvals, and waste collection fall under this LGA.
How much are council rates in Seacombe Gardens?
The average residential rates bill through Marion is $1,782 a year (2024). Every suburb in this LGA shares the same schedule — individual bills vary with land value.
How much is being built near Seacombe Gardens?
Across Marion, 809 new residential dwellings were approved in the year to August 2026 (source: ABS Building Approvals). That's down 31.2% 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 Seacombe Gardens in?
Seacombe Gardens sits within the federal Division of Boothby, currently held by Louise Miller-Frost (Australian Labor Party).
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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
- Public transport · Oct 2026
- NBN connectivity · Dec 2025
- Crime · 2026
- Road crashes · 2021–2025
- Air quality · 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.
See Data Sources and How We Calculate for details.