Second Valley, SA 5204
District Council of YankalillaAll suburbs in postcode 5204
Updated
Median house price
Verified median pending
We don't yet have a verified suburb-level median for this market. We're working on a data partner; in the meantime, treat the state-level figures as a guide only. How we source data.
Selling in Second Valley?
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Rent in Second Valley
- Weekly rent (house)
- $278/wk
- Weekly rent (unit)
- $300/wk
Rental data as of December 2025· SA rental bond data
Free appraisal in Second Valley
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What to know about Second Valley
Second Valley (5204) sits in the Yankalilla region of South Australia.
Second Valley has roughly 154 residents, with a retiree-heavy demographic. Households are predominantly owner-occupied. Daily life is car-dependent: most residents drive to work, school and the shops.
What it’s like to live here
Second Valley 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 24°C (mild), winter mornings around 8°C (cool). Annual rainfall lands at about 751 mm. Figures are our 1991 to 2020 averages of SILO data for this location (Queensland Government, built from Bureau of Meteorology observations).
Schooling within or near the suburb covers 1 government primary.
Schools in Second Valley
Location
Walkability
- Walk
- 0/100
- Transit
- 0/100
- Bike
- 0/100
Very car dependent. Scores out of 100, calculated from OpenStreetMap data (ODbL).
Walkability data as of May 2026· OpenStreetMap
Demographics
The 2021 Census put Second Valley's population at 154, with a median age of 65. That sits as a retiree-heavy demographic. Households are predominantly owner-occupied (81% own, 16% rent), which shapes everything from school catchment stability to how often properties turn over. Lone-person households are notable here (41%), often a marker of unit-heavy stock and walkable infrastructure.
- Population
- 154
- Median age
- 65
- Family households
- 48%
- Lone person
- 41%
- Owner occupied
- 81%
- Renter occupied
- 16%
Demographics data as of May 2026· ABS 2021 Census
Crime and safety
12 offences recorded in 2025-26
Top offence categories
Source: State Police Open Data
Crime data as of June 2026
Weather year-round
- Annual rainfall
- 751 mm
- Hottest month, avg max
- 23.7°C
- Coldest month, avg min
- 7.5°C
Rainfall by month
Our 1991 to 2020 averages of SILO data (Queensland Government, built from Bureau of Meteorology observations, CC BY 4.0) for this location.
Climate data as of October 2026· SILO (Queensland Government), from Bureau of Meteorology observations
Questions about Second Valley
- What is the Second Valley postcode?
- Second Valley is in the 5204 postcode, in SA, in the District Council of Yankalilla region.
- Where is Second Valley?
- Second Valley is a suburb in the District Council of Yankalilla area, SA 5204.
- What is the average rent in Second Valley?
- The median weekly rent for houses is $278, for units it's $300.
- What schools are in Second Valley?
- There are 2 schools serving Second Valley on this page, including Rapid Bay Primary School, Yankalilla Area School.
- How walkable is Second Valley?
- Second Valley has a Walk Score of 0 out of 100, highly car-dependent. transit score 0, bike score 0.
- What suburbs are near Second Valley?
- Second Valley is close to Delamere, Wirrina Cove, Rapid Bay, Deep Creek, Hay Flat.
- What is the population of Second Valley?
- The population of Second Valley is approximately 154 (2021 Census). The median age is 65.
Selling in Second Valley? Get the free selling guide
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More on Second Valley and nearby
Second Valley
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Sources. House and unit medians from the NSW Valuer General, Land Victoria, the SA Government and the ABS; rents from the state rental bond authorities. Census from the ABS (2021), climate from the Bureau of Meteorology, hazard from Geoscience Australia, schools from ACARA and crime from state police open data. Each figure carries its source and date. How we source data
How we’re paid. The guides and this page are free. When a seller asks, we introduce one local agent, and the agent pays us a flat fee for the introduction, never a share of their commission; it costs the seller nothing. If a figure looks wrong, tell us and we’ll fix it.