Seaford Heights SA 5169
Seaford Heights sits 36 km from Adelaide CBD in South Australia, around 38 minutes by car. Census data records 1,079 residents with a median age of 29 and a median household income of $112,840 per year. By household income, education, and employment patterns, it ranks in the top 40% nationally. The suburb grew roughly 20× its 2016 size between 2016 and 2021. At the 2021 Census, households here paid a median rent of $380 per week and a median monthly mortgage of $1,733. Seaford Heights is characterised by no recorded bushfire exposure. Walkability is moderate.
Is Seaford Heights a good suburb?
Seaford Heights scores a B (63/100) on SuburbScan's Liveability grade — strong on prices and community.
Somewhat walkable
Walkability 43/100 · 35.6 km · 38 min drive to Adelaide
More affordable than most
Median $865K · More affordable than 98% of SA
Moderate crime risk
Fire 0/100 · Crime 54/100
Advantaged
SEIFA decile 8/10 · median age 29 · 1,079 residents
Liveability Rating
63 / 100 · Ranked #131 in SAEach bar is Seaford 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 Seaford Heights?
Local knowledge beats any dataset. Rate it and see what other residents think.
Our score
63 / 100
From schools, safety and socio-economic data — not opinion.
Residents say
…
Median House Price
Public listings dataSeaford Heights's house market is moving higher: the median sale price reached $865,000, about 1% above where it sat a year earlier.
$865,000
In line with its 4 neighbours (median $880,000)
Based on 73 recorded sales in the last 24 months.
Typically sold in 13 days — median across 37 sales that recorded a listing period
By bedrooms
- 3 bed 40 sales $800K
- 4 bed 27 sales $925K
- 5 bed 5 sales $921K
Currently for Sale
Last 6 monthsHouses in Seaford Heights are currently listed at around $818,000 on average. Based on 20 houses listed in the past six months.
$818K
20 houses listed in the last 6 months.
20 of the suburb's 398 dwellings (5.0%) were listed for sale in the last 6 months.
Rental Market
Advertised rents · last 6 monthsHouses in Seaford Heights rent for around $690 a week on average, based on 20 houses listed for rent in the past six months.
$690/wk
20 houses advertised for rent in the last 6 months.
20 rentals advertised against an estimated 91 rented homes (22.0%) in the last 6 months.
Rent agreed on new leases
Apr–Jun 2026- 3-bed houses
- $650/wk
- 10 bonds
Median weekly rent on bonds lodged for new tenancies. Asking rents above come from advertised listings.
Rental affordability
June quarter 202596 Unaffordable · the average rental household in this region would pay about 31% of its income on the median rent in postcode 5169.
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$690/week ($36,000 a year) on a $818,000 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 Seaford Heights safe? Crime statistics
2026Crime in Seaford Heights sits in the moderate band, with 33 incidents recorded in 2026 — down roughly 28% on the prior year.
33 offences
28.3% since 2025Crime Trend
Serious Road Crashes
2021–2025No crash in Seaford 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
Walkability
Seaford Heights is car-dependent on foot — at 43/100, most errands require a car.
Public transport
Weekday and weekend service frequency across every stop inside Seaford Heights.
- Peak (7-9am + 5-7pm)
- 4.0 arrivals/hr
- Off-peak weekday
- 2.2 arrivals/hr
- Saturday
- 1.9 arrivals/hr
- Median peak wait
- 1 min
- Span of service
- 16.5 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 Seaford Heights.
- Full-fibre (FTTP) share
- 100%
- Premises covered
- 907
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
Onkaparinga: 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
Seaford Heights is home to about 1,100 residents, and skews young, with a median age of 29 against the national 38. Median household income runs at $113,000 a year, with unemployment at 2.3%.
2021 Census · change since 2016
Population
1,079
Median Age
29
Median Household Income
$112,840/yr
Census Median Rent
$380/wk
Census Median Mortgage
$1,733/mo
Avg Household Size
2.6
Median Personal Income
$56,212/yr
Unemployment Rate
2.3%
Unoccupied Dwellings
1.5%
Total Dwellings
398
Owner-Occupier Rate
77.1%
Houses
94.0%
Rental Stress
17.5%
Mortgage Stress
18.4%
Work From Home
9.7%
Dwelling Types
Property Ownership
Demographics
- Born in Australia
- 71.4%
- English Spoken at Home
- 86.2%
- Employment Rate
- 81.8%
- Completed Year 12
- 48.8%
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.
40 residents (3.7%) 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 961 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
13% of employed residents work in a capital's city centre (85 of 679).
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 $2,008 a year through Onkaparinga based on 2024 figures.
How this land is zoned
- Residential 51%
- Rural and farming 37%
- Other and special use 12%
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: Onkaparinga
In the year to August 2026, 1,367 new dwellings were approved across Onkaparinga. That mix is 813 houses and 554 units. Approvals are up 58.4% 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, 7.0 km away.
Climate & Setting
from Myponga, 21.7 kmModerate rainfall.
- Elevation
- 80 m
- above sea level, at the suburb centre
- Distance to the ocean
- 2.4 km
- 3.1 km to a named beach
- Annual rainfall
- 786 mm
- 112 rainy days
- Summer max (Jan)
- —
- Winter min (Jul)
- —
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
10 facilities within 5 km- 0.7 kmWaste Remediation and Materials Recovery ServicesTop reported: Oxides of Nitrogen · Carbon monoxide · Particulate Matter ≤2.5 µm (PM2.5)
- 0.7 kmWaste Treatment and Disposal ServicesTop reported: Total Volatile Organic Compounds · Zinc and compounds · Chromium (III) compounds
- 2.3 kmWaste Treatment and Disposal ServicesTop reported: Oxides of Nitrogen · Carbon monoxide · Total Volatile Organic Compounds
- 2.3 kmPetroleum Product WholesalingTop reported: Total Volatile Organic Compounds · Cumene (1-methylethylbenzene) · Benzene
- 2.4 kmWaste Remediation and Materials Recovery ServicesTop reported: Oxides of Nitrogen · Carbon monoxide · Particulate Matter ≤2.5 µm (PM2.5)
EV adoption
In postcode 5169, 134 of 15,581 registered light vehicles are battery-electric on 31 January 2025. A further 2.4% (375 vehicles) are hybrid or plug-in hybrid, taking the non-petrol, non-diesel share to 3.3%.
Rooftop solar
In postcode 5169, 5,869 rooftop-solar systems totalling 35.8 MW have been installed since 2001, against 8,036 dwellings recorded in the 2021 Census. 352 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
5 mortgage brokers are registered in postcode 5169.
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 2026-10-26 — 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 Amanda Rishworth Australian Labor Party
| Year | Winner | 2PP ALP | 2PP LNP | Swing |
|---|---|---|---|---|
| 2025 | Amanda Rishworth | 70.7% | 29.3% | +4.4 |
| 2022 | Amanda Rishworth | 66.3% | 33.6% | -4.4 |
| 2019 | Amanda Rishworth | 61.9% | 38.1% | +1.6 |
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 Chris Picton Australian Labor Party
Next state election: 16 March 2030.
| Year | Winner | Won with |
|---|---|---|
| 2026 | Chris Picton ALP | 62.0% |
| 2022 | Chris Picton ALP | 70.1% |
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 Seaford 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 1,079 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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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
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Common questions about Seaford Heights
Is Seaford Heights a safe place to live?
Recorded crime in Seaford Heights is moderate (54/100, ranked against other SA suburbs on offences per resident).
What natural hazards affect Seaford Heights?
Seaford Heights has no recorded bushfire history. These are suburb-wide figures; check the address, as flood and bushfire exposure change street by street.
Is Seaford Heights a good place to live?
Seaford Heights has a SuburbScan Liveability grade of B (63/100), 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 Seaford Heights?
Seaford Heights, SA had a population of 1,079 at the 2021 Australian Bureau of Statistics census.
What is the postcode for Seaford Heights, SA?
The postcode for Seaford Heights, SA is 5169.
How far is Seaford Heights from Adelaide?
Seaford Heights is 36 km from Adelaide CBD by road, about 38 minutes by car in normal traffic. Distance is the most-direct driving route, not straight-line.
What is the median household income in Seaford Heights?
At the 2021 ABS Census, median household income in Seaford Heights was $112,840 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 Seaford Heights?
The median advertised rent in Seaford Heights is $690 a week for houses (20 listings), from rental listings over the last six months.
What is the median age in Seaford Heights?
The median age of residents in Seaford Heights was 29 at the 2021 ABS Census.
Is Seaford Heights walkable?
Seaford Heights scores 43/100 on the SuburbScan Walkability Score, making it 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 Seaford Heights?
At the nearest Bureau of Meteorology station to Seaford Heights, Myponga (21.7 km away), 786 mm of rain a year over 112 rainy days over 2006-2026.
Is the First Home Owner Grant available in Seaford 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 Seaford Heights belong to?
Seaford Heights sits within the Onkaparinga local government area. Council rates, planning approvals, and waste collection fall under this LGA.
How much are council rates in Seaford Heights?
The average residential rates bill through Onkaparinga is $2,008 a year (2024). Every suburb in this LGA shares the same schedule — individual bills vary with land value.
How much is being built near Seaford Heights?
Across Onkaparinga, 1,367 new residential dwellings were approved in the year to August 2026 (source: ABS Building Approvals). That's up 58.4% 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 Seaford Heights in?
Seaford Heights sits within the federal Division of Kingston, currently held by Amanda Rishworth (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.