Seaford Heights at a glance
Median house
$660,000
-21.6% year on year
Median unit
$247,680
Walk score
0
Very car dependent
Population
1,079
Median age 29
The brief
What to know about Seaford Heights.
The postcode for Seaford Heights is 5169 (SA), part of Greater Adelaide.
The median house price in Seaford Heights is $660,000.
Seaford Heights (5169) sits in the Onkaparinga region of South Australia. The median house here is $660,000, in line with the South Australia median of around $720K. Prices have moved -21.6% over the past year, well behind the South Australia average (5%).
Seaford Heights has roughly 1,079 residents, with a young-family demographic. Households are predominantly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.
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Day to day
What it’s like to live here.
Seaford Heights scores 0/100 on walkability, which makes it car-dependent with limited public transport. Plan for two cars in a typical household, especially if work isn't local.
Summer days here average around 28°C (warm), winter mornings around 7°C (cool). Annual rainfall lands at about 448mm. Data comes from the Bureau of Meteorology's Adelaide (Kent Town) station, 11.1km away.
Schooling within or near the suburb covers 12 government primary, 2 government secondary, 4 Catholic, 2 independent.
Who lives here
Demographics.
The 2021 Census put Seaford Heights's population at 1,079, with a median age of 29. That sits as a young-family demographic. Households are predominantly owner-occupied (78% own, 23% rent), which shapes everything from school catchment stability to how often properties turn over. The household mix skews family-dominated (81% family households, 17% lone person), so amenity decisions tend to follow what families want: parks, schools, supermarkets.
Population
1,079
Median age
29
Family households
81%
Lone person
17%
Demographics data as of May 2026· ABS 2021 Census
Houses change hands at $660,000 on a typical sale, in line with the South Australia median. Units come in around $247,680, roughly 62% below the house median. The 12-month picture shows a softening market (-21.6%), giving buyers more room to negotiate.
For buyers
A 20% deposit on the median house works out to roughly $132,000. Prices are in line with the South Australia median, so the broader state lending settings apply.
For sellers
With 12-month growth at -21.6%, pricing should anchor to the most recent six months of comparables, not last year's peak.
Market
The price of a home here.
Median house price
$660,000
-21.6% over the past year. Median unit price $247,680.
Sales data as of July 2026· sales-sa
Rental and ownership
Weekly rent (house)
$670/wk
Weekly rent (unit)
$380/wk
Owner occupied
78%
Renter occupied
23%
At a deeper level
$660,000
-21.6% annual growth
$247,680
1,079
Median age: 29
Rental data as of March 2026· rental-sa
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For investors
Investment overview.
Gross rental yield on houses sits at 5.28% (median rent $670/wk against a $660,000 price tag). Units yield 7.98% gross, often the better cash-flow play for first-time investors. Renter share is modest (23%), so the rental pool is smaller and tenant demand can be patchier than in higher-density suburbs.
Gross Yield (House)
Source: data.sa.gov.au · July 20265.28%
Based on $660,000 median
Gross Yield (Unit)
Source: data.sa.gov.au · July 20267.98%
Based on $247,680 median
Annual Growth (House)
Source: data.sa.gov.au · July 2026-21.6%
Year-on-year capital growth
Annual Growth (Unit)
Source: data.sa.gov.au · July 2026–
Year-on-year capital growth
Owner Occupancy
Source: ABS Census 2021 · May 202678%
Higher = more owner-occupier demand
Days on Market
Source: data.sa.gov.au · July 2026–
Lower = higher buyer demand
Gross rental yield is annual rent divided by purchase price, before expenses. It does not account for vacancy rates, management fees, maintenance, or financing costs. Use this as a starting point for further research.
5-year trajectory
at -21.6%/yr
2021
$2.2M
5-year change
-70%
2026
$660K
Trajectory derived from the current median compounded at the suburb’s annual growth rate, not raw sale-by-sale history.
Safety
Crime and safety.
29
total offences in 2025-26
Top offence categories
Crime statistics are reported at LGA level and may cover a broader area than this suburb.
Source: State Police Open Data
Crime data as of June 2026· State Police Open Data
Getting around
Walkability.
0
0
100
Scores calculated from OpenStreetMap data (ODbL)
Walkability data as of May 2026· OpenStreetMap
Place
Location.
Amenities
Transport
Education
Schools in Seaford Heights.
Local schools for Seaford Heights
View the catchment for each school to find out more.
Government School Catchment
Seaford Rise Primary School
Old Noarlunga Primary School
Seaford Secondary College
© ACARA, licensed under CC BY 4.0.
Climate
Weather year-round.
Annual Rainfall
448 mm
Hottest Month (avg max)
28.0°C
Coldest Month (avg min)
7.0°C
Monthly Rainfall (mm)
Weather data from BOM station Adelaide (Kent Town) (11 km away)
Climate data as of May 2026· Bureau of Meteorology
Frequently asked
About Seaford Heights.
- What is the median house price in Seaford Heights?
- The median house price in Seaford Heights, SA 5169 is $660,000. The median unit price is $247,680. Annual growth is -21.6%.
- What is the Seaford Heights postcode?
- Seaford Heights is in the 5169 postcode, in SA, in the City of Onkaparinga region.
- Where is Seaford Heights?
- Seaford Heights is a suburb of Adelaide, in SA 5169. It is part of the Greater Adelaide area, in the City of Onkaparinga region.
- What is the average rent in Seaford Heights?
- The median weekly rent for houses is $670, for units it's $380.
- What schools are in Seaford Heights?
- There are 20 schools serving Seaford Heights on this page, including Seaford Rise Primary School, Old Noarlunga Primary School, Seaford Secondary College.
- How walkable is Seaford Heights?
- Seaford Heights has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 100.
- What suburbs are near Seaford Heights?
- Seaford Heights is close to Seaford Rise, Seaford, Old Noarlunga, Moana, Seaford Meadows.
- What is the population of Seaford Heights?
- The population of Seaford Heights is approximately 1,079 (2021 Census). The median age is 29.
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Seaford Heights
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Sources cited
Median, growth and rental data from state revenue offices and ABS. Census from ABS 2021. Climate from BoM. Hazard from Geoscience Australia. School data from ACARA. Crime from state police open data. Full methodology →
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