SA · Yankalilla Council
Second Valley, SA, 5204
Current weather
10.1°CDense drizzle
92% humidity · 33 km/h wind · 12.5° / 9.5° today · 28.9 mm rain
Suburb snapshot
Second Valley is a small locality in the Yankalilla area, home to around 154 residents (2021 Census). Recent indicators show reported crime totals of around 7 offences in 2024–25 (Jul–Jun), roughly 45.5 offences per 1,000 residents, limited but present public transport access, 3 active roadworks or transport incidents on nearby routes, and notable planning and development activity on record. Use the sections below for detailed population, safety, schools, and local activity data.
Population
- Population
- 154
- Median age
- 65
- Median household income / week
- $1,019
- Dwelling vacancy
- 67.4%
- Unoccupied private dwellings
- 155 of 230
- Median monthly mortgage
- $1,400
- Employment rate
- 32.6%
- Dwelling mix (houses / semi / flats)
- 10 / 0 / 0
Data sources & freshness
- 2021 Census — General Community Profile — Australian Bureau of Statistics · Period: 2021 · Updated on site · 2021 Census release
The 2026 Census runs in August 2026; suburb-level updates are expected from mid-2027.
Crime & safety
- Total offences (2024–25)
- 7
- Against the person
- 3
- Against property
- 4
- Rate per 1,000 residents
- 45.5
- Person-crime prevalence
- About 1 in 51 residents
- State safety percentile
- 61.7th (lower crime is better)
- Family & domestic abuse offences
- 19
- Year-on-year change
- 0%
Most common offence types
- Common Assault1
- Graffiti1
- Other Theft1
- Other Unlawful Entry With Intent2
- Serious Assault Not Resulting In Injury2
Data sources & freshness
- SAPOL reported crime statistics — South Australia Police — OpenData · Period: 2024-25; 2024-25 → 2024-25 · Updated on site · Financial-year releases
Public transport
1 public transport stops in this suburb
- Finniss Vale Dr / Main South Rd - West side (Second Valley)
Data sources & freshness
- Adelaide Metro GTFS stops — Department for Infrastructure and Transport (SA) · Period: current · Updated on site · GTFS static feed
Roadworks & transport
3 active roadworks / incidents
- SurveyMain South Road, Forest Rd10 Feb 2026 – 31 Jul 2026
- SurveyMain South Road, Paradise Dr09 Feb 2026 – 31 Jul 2026
- SurveyMain South Road, Forest Rd10 Feb 2026 – 31 Jul 2026
Data sources & freshness
- Traffic SA road events — Department for Infrastructure and Transport (SA) · Period: current · Updated on site · Hourly refresh
Planning & development
Development applications from PlanSA register (lodged 2020–2026) and EPA licensed activities.
49 planning-related records
2026· 1 proposal
January 2026
- Change of Use from Function Venue to Dwelling7869 MAIN SOUTH RD SECOND VALLEY SA 5204Decision Made
2025· 11 proposals
September 2025
- Construction of Outbuilding (Garage) & Water Tank (above ground)4 CASLAKE CL SECOND VALLEY SA 5204Decision Made
- SHED - DOMESTIC7857 MAIN SOUTH RD SECOND VALLEY SA 5204Decision Made
July 2025
- CARPORT4 GRUNDY CT SECOND VALLEY SA 5204Decision Made
June 2025
- SHED - DOMESTIC7894 MAIN SOUTH RD SECOND VALLEY SA 5204Decision Made
May 2025
- Detached Dwelling- single-storey and Deck & Two (2) New Tourist Accommodation Buildings with decks (trailer-based tourist accommodation units) & two (2) Rainwater Tanks9 PARK ST SECOND VALLEY SA 5204Under Assessment
- Detached Dwelling- single-storey with Verandah4 CASLAKE CL SECOND VALLEY SA 5204Decision Made
April 2025
- Change of Use from Restaurant to Tourist Accommodation including Alterations to the Buildings known as The Mill & Demolition of a Courtyard Area including a Deck7869 MAIN SOUTH RD SECOND VALLEY SA 5204Under Assessment
March 2025
- SWIMMING POOL WITH SAFETY FENCE, DECK AND POOL HOUSE7535 MAIN SOUTH RD SECOND VALLEY SA 5204Decision Made
- Detached Dwelling- two-storey with Balconies & Double Garage (UMR)9 -15 SEACOVE CR SECOND VALLEY SA 5204Under Assessment
- Detached Dwelling- single-storey with Outbuilding (Carport and Shed)8 GRUNDY CT SECOND VALLEY SA 5204Under Assessment
February 2025
- Change of use from Tourist Accommodation to Ancillary Accommodation12 RIVERSIDE DR SECOND VALLEY SA 5204Decision Made
2024· 9 proposals
November 2024
- CARPORT - FREESTANDING4 ROPER PL SECOND VALLEY SA 5204Decision Made
- Dwelling Additions- single-storey7535 MAIN SOUTH RD SECOND VALLEY SA 5204Under Assessment
September 2024
- Detached Dwelling - two-storey with Carport and Balcony & Tourist Accommodation building- two storey9 PARK ST SECOND VALLEY SA 5204Under Assessment
- Detached Dwelling- single-storey7894 MAIN SOUTH RD SECOND VALLEY SA 5204Decision Made
- SHED - DOMESTIC (GARAPORT)123 FINNISS VALE DR SECOND VALLEY SA 5204Decision Made
August 2024
- Detached Dwelling- Two-storey with Balcony29 OCEANVIEW DR SECOND VALLEY SA 5204Decision Made
June 2024
- Carport7595 MAIN SOUTH RD SECOND VALLEY SA 5204Decision Made
April 2024
- Detached Dwelling- Elevated with Balcony5 SCENIC VIEW DR SECOND VALLEY SA 5204Decision Made
March 2024
- Dwelling Addition & Internal Alterations12 OCEANVIEW DR SECOND VALLEY SA 5204Decision Made
2023· 6 proposals
December 2023
- Living / Casual Dining Room Extension.147-149 FINNISS VALE DR SECOND VALLEY SA 5204Decision Made
October 2023
- Boundary Realignment (Two Allotments)7857 MAIN SOUTH RD SECOND VALLEY SA 5204;7869 MAIN SOUTH RD SECOND VALLEY SA 5204Decision Made
June 2023
- Carport9 OCEANVIEW DR SECOND VALLEY SA 5204Decision Made
May 2023
- REPLACING 5 EXISTING STAIRCASES WITH NEW STAIRCASESUNIT 2-14 7894 MAIN SOUTH RD SECOND VALLEY SA 5204Decision Made
- DECK EXTENSION - ELEVATED WITH ROOF31 FINNISS VALE DR SECOND VALLEY SA 5204Decision Made
- Two-Storey Dwelling Addition & Alteration to Existing - (Extension connected by link corridor) and Outbuilding (shed).145-149 FINNISS VALE DR SECOND VALLEY SA 5204Under Assessment
2022· 7 proposals
November 2022
- Conventional Land Division (1 into 2 allotments) and change of use of existing ancillary accommodation to detached dwelling (studio).145-149 FINNISS VALE DR SECOND VALLEY SA 5204Decision Made
August 2022
- Dwelling Addition14 VALLEY HEIGHTS DR SECOND VALLEY SA 5204Under Assessment
July 2022
- Carport - Freestanding7 BOATHAVEN DR SECOND VALLEY SA 5204Decision Made
April 2022
- Detached Dwelling- Two-storey with Balcony & Garage8 VALLEY HEIGHTS DR SECOND VALLEY SA 5204Under Assessment
March 2022
- Carport and verandah118 FINNISS VALE DR SECOND VALLEY SA 5204Decision Made
- Detached Dwelling- Two-storey with Carport & incorporating a Tourist Accommodation Component12 RIVERSIDE DR SECOND VALLEY SA 5204Decision Made
January 2022
- Garage6 BOATHAVEN DR SECOND VALLEY SA 5204Decision Made
2021· 15 proposals
December 2021
- SHED - RURAL7814 MAIN SOUTH RD SECOND VALLEY SA 5204Decision Made
- 2 Verandah extensions - flat roof1 KARATTA RD SECOND VALLEY SA 5204Decision Made
- Detached Dwelling- single-storey with Double Garage Under Main Roof7 RIVERSIDE DR SECOND VALLEY SA 5204Decision Made
- Dwelling Addition17 OCEANVIEW DR SECOND VALLEY SA 5204Decision Made
- Dwelling - Single storey additions with carport and retaining wall25 OCEANVIEW DR SECOND VALLEY SA 5204Decision Made
November 2021
- Shed - Agricultural - 12m x 8m x 3m. Flooring will be half compacted road base and other half concrete reinforced floor. Use of shed is for hay storage, tractor and implement storage and safe cattle working area.7421 MAIN SOUTH RD SECOND VALLEY SA 5204Decision Made
Data sources & freshness
- PlanSA development applications & EPA licences — Government of South Australia — PlanSA · Period: 2020–2026; 2021; 2022… · Updated on site
Amenities
No OpenStreetMap amenities mapped for this suburb yet.
Data sources & freshness
- OpenStreetMap amenities — OpenStreetMap contributors · Period: current · Updated on site · Weekly refresh
Socio-economic (SEIFA)
- IRSAD decile (2021)
- 2/10
- IRSD decile (2021)
- 2/10
SEIFA indexes from ABS 2021. Decile 10 = most advantaged / least disadvantaged in Australia.
Data sources & freshness
- SEIFA 2021 (IRSAD / IRSD) — Australian Bureau of Statistics · Period: 2021 · Updated on site · 2021 SEIFA release
Heritage
3 state heritage places
- Heritage placeState heritage
- Heritage placeState heritage
- Heritage placeState heritage
Data sources & freshness
- SA Heritage Places database — Department for Environment and Water (SA) · Period: current · Updated on site
Green cover
- Parks & woodland (OSM)
- 13
- Parks (OSM)
- 1
OpenStreetMap parks and natural woodland features mapped within the suburb boundary.
Data sources & freshness
- OpenStreetMap green cover features — OpenStreetMap contributors · Period: current · Updated on site · Weekly refresh
Recent changes
- Heritage placeheritageState heritage
- Heritage placeheritageState heritage
- Heritage placeheritageState heritage
- 2 Verandah extensions - flat roofplanning1 KARATTA RD SECOND VALLEY SA 5204Lodged 16 Dec 2021 · Decision Made
- Boundary Realignment (Two Allotments)planning7857 MAIN SOUTH RD SECOND VALLEY SA 5204;7869 MAIN SOUTH RD SECOND VALLEY SA 5204Lodged 06 Oct 2023 · Decision Made
- CARPORTplanning4 GRUNDY CT SECOND VALLEY SA 5204Lodged 01 Jul 2025 · Decision Made
- CARPORT - FREESTANDINGplanning4 ROPER PL SECOND VALLEY SA 5204Lodged 28 Nov 2024 · Decision Made
- Carportplanning7595 MAIN SOUTH RD SECOND VALLEY SA 5204Lodged 05 Jun 2024 · Decision Made
- Carportplanning9 OCEANVIEW DR SECOND VALLEY SA 5204Lodged 05 Jun 2023 · Decision Made
- Carport - Freestandingplanning7 BOATHAVEN DR SECOND VALLEY SA 5204Lodged 07 Jul 2022 · Decision Made
Data sources & freshness
- SA Heritage Places database — Department for Environment and Water (SA) · Updated on site
- PlanSA development applications & EPA licences — Government of South Australia — PlanSA · Updated on site
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