Second Valley, SA 5204 — Suburb Profile
Last reviewed: · By Knowburb Research Team
In short
Second Valley is a suburb of South Australia, postcode 5204, home to 154 residents with a settled, mature community. Located in the Yankalilla local government area (Inner Regional Australia) and roughly 76 km from the Adelaide CBD.
Snapshot
Demographics
- Population
- 154
- Median age
- 65 years
- Median household income
- $1,019 /week
- Median personal income
- $515 /week
- Median family income
- $1,224 /week
- Average household size
- 1.8
- Persons per bedroom
- 0.7
- Local government area
- Yankalilla
- Statistical region (SA4)
- South Australia - South East
- Remoteness classification
- Inner Regional Australia
- Federal electorate
- Mayo
Property & cost of living
- Median rent
- $200 /week
- Median monthly mortgage
- $1,400
- Rent share of household income
- 20%
Schools
- Rapid Bay Primary School
Transport
Transport data refreshes monthly from state GTFS feeds.
Lifestyle & amenities
- 1 café
- 2 restaurants
- 2 parks and reserves
- 1 playground
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, 71.4 km away
NBN & connectivity
Fixed Wireless serves 98.5% of the 272 resolvable premises in Second Valley. Most premises here are served by NBN Fixed Wireless from a nearby tower. Speed is shared with neighbours and weather-sensitive; plans up to NBN 100 are available where signal allows.
- Fixed Wireless: 98.5%
- Sky Muster (Satellite): 1.5%
Safety
- Recorded offences: 124 across postcode 5204 in the year to FY2024–25 (up 51% on the prior year).
- Most common categories: 32 property damage, 30 theft, 27 break-ins.
Frequently asked questions
What is the population of Second Valley?
Second Valley (SA 5204) had 154 residents at the most recent ABS Census. The median age is 65. It sits within the Yankalilla local government area.
What is the median rent in Second Valley?
The median advertised rent in Second Valley is $200/week, based on SQM Research listings data. Rents vary by property type, bedrooms and condition.
Are there schools in Second Valley?
Yes — 1 school is listed within or near Second Valley covering government sectors. Nearest include: Rapid Bay Primary School (2.7 km). School data sourced from ACARA and state education departments.
What NBN technology is available in Second Valley?
Second Valley is predominantly served by Fixed Wireless (98.5% of premises). Coverage data is sourced from the NBN upgrade map aggregated from NBN Co address checks.
How safe is Second Valley?
Across postcode 5204, 124 offences were recorded in the 12 months to FY2024–25. The most common offence categories were property damage (32), theft (30), break-ins (27). 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 Second Valley?
In Second Valley, 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 (71.4 km away). Long-term averages from the Bureau of Meteorology.
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: