Seacombe Heights SA 5047
Seacombe Heights sits 15 km from Adelaide CBD in South Australia, around 22 minutes by car. Census data records 1,549 residents with a median age of 40 and a median household income of $99,684 per year. By household income, education, and employment patterns, it ranks in the top 40% nationally. The suburb grew 4.2% between 2016 and 2021. At the 2021 Census, households here paid a median rent of $380 per week and a median monthly mortgage of $1,850. Seacombe Heights is characterised by high flood risk and no recorded bushfire exposure. 1 school sits within the suburb boundary, and walkability is high.
Is Seacombe Heights a good suburb?
Seacombe Heights scores a A (71/100) on SuburbScan's Liveability grade — strong on transit and community.
Mixed results
1 school
Walkable and central
Walkability 70/100 · 15 km · 22 min drive to Adelaide
Around the state median
Median $1.08M
Moderate flood risk
Fire 0/100 · Crime 26/100 · Flood 61/100
Advantaged
SEIFA decile 8/10 · median age 40 · 1,549 residents
Liveability Rating
71 / 100 · Ranked #78 in SAEach bar is Seacombe Heights'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 Heights?
Local knowledge beats any dataset. Rate it and see what other residents think.
Our score
71 / 100
From schools, safety and socio-economic data — not opinion.
Residents say
…
Median House Price
Public listings dataSeacombe Heights's house market is moving higher: the median sale price reached $1.08 million, roughly 18% above where it sat a year earlier.
$1,076,000
19% above its 6 neighbours (median $901,250)
Based on 34 recorded sales in the last 24 months.
Typically sold in 24 days — median across 14 sales that recorded a listing period
By bedrooms
- 3 bed 18 sales $990K
- 4 bed 14 sales $1.25M
Rental Market
Advertised rents · last 6 monthsHouses in Seacombe Heights rent for around $640 a week on average, based on 5 houses listed for rent in the past six months.
$640/wk
5 houses advertised for rent in the last 6 months.
5 rentals advertised against an estimated 76 rented homes (6.6%) in the last 6 months.
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.
Is Seacombe Heights safe? Crime statistics
2026Crime in Seacombe Heights sits in the low band, with 20 incidents recorded in 2026 — down roughly 38% on the prior year.
20 offences
37.5% since 2025Crime Trend
Serious Road Crashes
2021–2025No crash in Seacombe Heights killed anyone or put anyone in hospital in 2021–2025.
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
One school serve Seacombe Heights, and performance is broadly on par with peer-suburb schools.
- • 1,377 students in one school (avg 1,377)
Secondary
Universities nearby
- 2.4 kmBedford ParkFlinders University · 399 courses
- 4.5 kmTonsleyFlinders University · 63 courses
2.5% 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 Heights is very walkable on foot — at 70/100, most daily errands can be done on foot.
Public transport
Weekday and weekend service frequency across every stop inside Seacombe Heights.
- Peak (7-9am + 5-7pm)
- 11.5 arrivals/hr
- Off-peak weekday
- 10.9 arrivals/hr
- Saturday
- 4.7 arrivals/hr
- Median peak wait
- 1 min
- Span of service
- 17.6 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 Heights.
- Full-fibre (FTTP) share
- 0%
- Premises covered
- 625
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
Seacombe Heights is home to about 1,500 residents, with a median age of 40, broadly in line with the national figure. Median household income runs at $100,000 a year, with unemployment at 4.5%.
2021 Census · change since 2016
Population
1,549
Median Age
40
Median Household Income
$99,684/yr
Census Median Rent
$380/wk
Census Median Mortgage
$1,850/mo
Avg Household Size
2.6
Median Personal Income
$42,380/yr
Unemployment Rate
4.5%
Unoccupied Dwellings
5.8%
Total Dwellings
568
Owner-Occupier Rate
86.6%
Houses
98.6%
Rental Stress
19.8%
Mortgage Stress
22.3%
Work From Home
12.2%
Dwelling Types
Property Ownership
Demographics
- Born in Australia
- 69.8%
- English Spoken at Home
- 78.7%
- Employment Rate
- 62.2%
- Completed Year 12
- 49.7%
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.
67 residents (4.3%) 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 1,453 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
14% of employed residents work in a capital's city centre (111 of 779).
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 96%
- Environmental 4%
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
This station does not measure fine particles (PM2.5).
PM10 averaged 19.5 µg/m³ · NO₂ averaged 0.34 pphm. Days over the limit in 2025: PM10 3 · NO₂ 0 · ozone 0.
From the Christie Downs monitoring station, 12.2 km away.
Climate & Setting
from Adelaide Airport M.o., 9.4 kmDry climate — hot summers, mild winters.
- Elevation
- 92 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
4 facilities within 5 km- 2.8 kmOther Non-Metallic Mineral Mining and QuarryingTop reported: Particulate Matter ≤10.0 µm (PM10) · Oxides of Nitrogen · Carbon monoxide
- 3.4 kmOther Motor Vehicle Parts ManufacturingTop reported: Total Volatile Organic Compounds · Toluene (methylbenzene) · Carbon monoxide
- 3.9 km
- 4.0 km
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 this suburb.
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 Erin Thompson Australian Labor Party
Next state election: 16 March 2030.
| Year | Winner | Won with |
|---|---|---|
| 2026 | Erin Thompson ALP | 66.4% |
| 2022 | Erin Thompson ALP | 53.4% |
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 Heights?
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 1,549 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.
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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
Seacombe Gardens SA 5047
Dover Gardens SA 5048
Sturt SA 5047
O'Halloran Hill SA 5158
Seaview Downs SA 5049
Darlington SA 5047
Compare Seacombe Heights to another suburb
Side-by-side stats for any other SA suburb — type a name and pick one.
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Common questions about Seacombe Heights
Is Seacombe Heights a safe place to live?
Recorded crime in Seacombe Heights is low (26/100, ranked against other SA suburbs on offences per resident).
What natural hazards affect Seacombe Heights?
Seacombe Heights has no recorded bushfire history. Flood overlays cover a moderate share of it (61/100). These are suburb-wide figures; check the address, as flood and bushfire exposure change street by street.
Is Seacombe Heights a good place to live?
Seacombe Heights has a SuburbScan Liveability grade of A (71/100), 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 Heights?
Seacombe Heights, SA had a population of 1,549 at the 2021 Australian Bureau of Statistics census.
What is the postcode for Seacombe Heights, SA?
The postcode for Seacombe Heights, SA is 5047.
How far is Seacombe Heights from Adelaide?
Seacombe Heights is 15 km from Adelaide CBD by road, about 22 minutes by car in normal traffic. Distance is the most-direct driving route, not straight-line.
What is the median household income in Seacombe Heights?
At the 2021 ABS Census, median household income in Seacombe Heights was $99,684 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 Heights?
The median advertised rent in Seacombe Heights is $640 a week for houses (5 listings), from rental listings over the last six months.
What is the median age in Seacombe Heights?
The median age of residents in Seacombe Heights was 40 at the 2021 ABS Census.
How are the schools in Seacombe Heights?
There is 1 school inside the Seacombe Heights boundary: 1 at similar schools on NAPLAN, compared with same-state, same-type schools of similar socio-educational advantage (ICSEA).
Is Seacombe Heights walkable?
Seacombe Heights scores 70/100 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 weather like in Seacombe Heights?
At the nearest Bureau of Meteorology station to Seacombe Heights, Adelaide Airport M.o. (9.4 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 Heights?
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 Heights belong to?
Seacombe Heights 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 Heights?
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 Heights?
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 Heights in?
Seacombe Heights 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.
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