South Boulder, WA 6432 — Suburb Profile

Last reviewed: · By Knowburb Research Team

In short

South Boulder is a suburb of Western Australia, postcode 6432, home to 1,506 residents with a balanced age mix. Located in the Kalgoorlie-Boulder local government area (Very Remote Australia) and roughly 552 km from the Perth CBD.

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Snapshot

Median rent$300 /wk
Population1,506
Median age35
Area7.8 km²
To CBD552 km
LGAKalgoorlie-Boulder

Demographics

Population
1,506
Median age
35 years
Median household income
$1,848 /week
Median personal income
$909 /week
Median family income
$2,250 /week
Average household size
2.4
Persons per bedroom
0.8
Local government area
Kalgoorlie-Boulder
Statistical region (SA4)
Western Australia - Outback (South)
Remoteness classification
Very Remote Australia
Federal electorate
Durack
Source: ABS QuickStats
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Property & cost of living

Median rent
$300 /week
Median monthly mortgage
$1,250
Rent share of household income
16%

Schools

  • Kalgoorlie School Of The Air Other · Government
  • Boulder Primary School Primary · Government
  • St Joseph's School Other · Independent
  • Eastern Goldfields Education Support Centre Other · Government
  • Kalgoorlie-Boulder Community High School Secondary · Government

Transport

  • Within 1.6 km: 7 bus stops

Closest stops:

  • Vivian St Before Lane St bus · 1236 m
  • Vivian St After Lane St bus · 1246 m
  • Lane St After Dwyer St bus · 1307 m
  • Lane St After Hopkins St bus · 1338 m
  • Vivian St After Brookman St bus · 1528 m

Lifestyle & amenities

  • 2 cafés
  • 4 pubs and bars
  • 41 parks and reserves
  • 14 gyms and fitness centres
  • 2 supermarkets
  • 7 playgrounds

Counts within roughly 5 km of the suburb centre. Data © OpenStreetMap contributors (ODbL).

Climate

  • Warmest month: Jan (33.7°C avg max)
  • Coolest month: Jul (16.9°C avg max)
  • Annual rainfall: 266 mm
  • Reference station: Kalgoorlie-Boulder Airport, 13.4 km away

NBN & connectivity

Fibre to the Node serves 80.7% of the 971 resolvable premises in South Boulder. Most premises here connect via fibre to a street cabinet, then copper into the home. Speeds depend heavily on the copper run length — NBN 100 is rarely achievable on long runs.

  • Fibre to the Premises: 19.3%
  • Fibre to the Node: 80.7%

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: 12,255 across the Goldfields-Esperance District in the year to Mar 2026 (up 12% on the prior year).
  • Most common categories: 4,183 violent offences, 2,653 theft, 1,611 drug offences.

Figures cover the whole Goldfields-Esperance District — the Western Australia Police Force publish counts at the district level.

Nearby suburbs

Frequently asked questions

What is the population of South Boulder?

South Boulder (WA 6432) had 1,506 residents at the most recent ABS Census. The median age is 35. It sits within the Kalgoorlie-Boulder local government area.

What is the median rent in South Boulder?

The median advertised rent in South Boulder is $300/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.

Are there schools in South Boulder?

Yes — 5 schools are listed within or near South Boulder covering government, independent sectors. Nearest include: Kalgoorlie School Of The Air (2 km), Boulder Primary School (2.1 km), St Joseph's School (2.9 km). School data sourced from ACARA and state education departments.

What NBN technology is available in South Boulder?

South Boulder is predominantly served by Fibre to the Node (80.7% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.

How safe is South Boulder?

Across the surrounding area, 12,255 offences were recorded in the 12 months to Mar 2026. The most common offence categories were violent (4,183), theft (2,653), drug offences (1,611). 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 South Boulder?

In South Boulder, mean daily temperatures range from 11.8°C to 25.4°C and annual rainfall is 266 mm measured at the Kalgoorlie-Boulder Airport weather station (13.4 km away). Long-term averages from the Bureau of Meteorology.

What public transport options are in South Boulder?

7 public transport stops are mapped within 1.6 km of the South Boulder centroid. Stop data is sourced from state government GTFS feeds.

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Sources & methodology

Demographics from ABS Census. Property data from SQM Research. Climate from Bureau of Meteorology. Schools from ACARA. NBN from NBN Co. Amenities from OpenStreetMap. See full methodology.

Additional sources for this profile: