Seacombe Heights, SA 5047 — Suburb Profile

Last reviewed: · By Knowburb Research Team

In short

Seacombe Heights is a suburb of South Australia, postcode 5047, home to 1,549 residents with an established residential profile. Located in the Onkaparinga local government area and roughly 12 km from the Adelaide CBD.

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Snapshot

Median rent$380 /wk
Population1,549
Median age40
Area0.84 km²
To CBD12 km
LGAMarion

Demographics

Population
1,549
Median age
40 years
Median household income
$1,917 /week
Median personal income
$815 /week
Median family income
$2,143 /week
Average household size
2.6
Persons per bedroom
0.8
Local government area
Marion
Statistical region (SA4)
Adelaide - South
Remoteness classification
Major Cities of Australia
Federal electorate
Kingston
Source: ABS QuickStats
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Property & cost of living

Median rent
$380 /week
Median monthly mortgage
$1,850
Rent share of household income
20%

Schools

  • Seaview High School Secondary · Government
  • Darlington Primary School Primary · Government
  • Stella Maris Parish School Primary · Independent
  • Seaview Downs Primary School Primary · Government
  • Sunrise Christian School Marion Combined · Independent

Transport

  • Within 800 m walk: 26 bus stops
  • Within 1.6 km: 87 bus stops

Closest stops:

  • Zone A Seaview High School bus · 198 m
  • Zone B Seaview High School bus · 210 m
  • Stop 33 Seacombe Rd - South side bus · 212 m
  • Stop 33 Seacombe Rd - North side bus · 232 m
  • Zone C Seaview High School bus · 233 m

Lifestyle & amenities

  • 1 café
  • 12 restaurants
  • 2 pubs and bars
  • 51 parks and reserves
  • 3 gyms and fitness centres
  • 6 supermarkets
  • 19 playgrounds

Counts within roughly 1.5 km of the suburb centre. Data © OpenStreetMap contributors (ODbL).

Climate

  • Warmest month: Jan (28.3°C avg max)
  • Coolest month: Jul (15.0°C avg max)
  • Annual rainfall: 437 mm
  • Reference station: Adelaide Airport, 9.3 km away

NBN & connectivity

Hybrid Fibre-Coaxial serves 99.8% of the 619 resolvable premises in Seacombe Heights. Most premises here use the existing pay-TV coaxial cable, upgraded for NBN. Plans up to NBN 1000 are typically available.

  • Fibre to the Premises: 0.2%
  • Hybrid Fibre-Coaxial: 99.8%

Snapshot 2026-04-28. Tech mix from Luke Prior's NBN upgrade map (MIT licensed). Verify any specific address on NBN Co's address tool.

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Safety

  • Recorded offences: 453 across postcode 5047 in the year to FY2024–25 (down 15% on the prior year).
  • Most common categories: 161 theft, 114 violent offences, 89 property damage.

Frequently asked questions

What is the population of Seacombe Heights?

Seacombe Heights (SA 5047) had 1,549 residents at the most recent ABS Census. The median age is 40. It sits within the Marion local government area.

What is the median rent in Seacombe Heights?

The median advertised rent in Seacombe Heights is $380/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.

Are there schools in Seacombe Heights?

Yes — 5 schools are listed within or near Seacombe Heights covering government, independent sectors. Nearest include: Seaview High School (0.1 km), Darlington Primary School (0.4 km), Stella Maris Parish School (0.5 km). School data sourced from ACARA and state education departments.

What NBN technology is available in Seacombe Heights?

Seacombe Heights is predominantly served by Hybrid Fibre Coaxial (99.8% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.

How safe is Seacombe Heights?

Across postcode 5047, 453 offences were recorded in the 12 months to FY2024–25. The most common offence categories were theft (161), violent (114), property damage (89). Crime statistics are recorded by area (postcode or LGA), not by individual suburb. Data sourced from each state's crime statistics agency.

What is the climate like in Seacombe Heights?

In Seacombe Heights, mean daily temperatures range from 11.5°C to 21.6°C and annual rainfall is 437 mm measured at the Adelaide Airport weather station (9.3 km away). Long-term averages from the Bureau of Meteorology.

What public transport options are in Seacombe Heights?

87 public transport stops are mapped within 1.6 km of the Seacombe Heights centroid. Within 800 m, you'll find 26 bus stops. Stop data is sourced from state government GTFS feeds.

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