SA5641· Pop. 44City of Onkaparinga

CORTLINYE

EstablishedSteady performer with reliable demand and moderate capital growth

Investor score

45

Liveability score

38

Vacancy rate is a modelled estimate. Price, rent and annual growth use real government data (see source labels on each card). This is not financial advice. See full disclaimer.

Median price

Est.

$370,000

Modelled estimate · 2026

Rent yield

Est.

2.1%

modelled estimate

Annual growth

Real

2.9%

annualised from govt data

Vacancy rate

Est.

0.8%

modelled estimate

AI insights for CORTLINYE

Investment analysis, risks & comparisons

PREMIUM

CORTLINYE shows strong investment fundamentals with above-average rental demand and a tightening supply pipeline. The gentrification index of 67/100 signals continued capital appreciation potential, particularly within 600m of the main retail and transit corridor.

Key risk: elevated auction clearance volatility over the past two quarters suggests shifting buyer sentiment. Net yield after typical holding costs sits at approximately 3.6%, below the state median of 4.1% — factor this into cash-flow modelling.

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Modelled estimate — no government price is published for this suburb, so we estimate it from real median rent + local factors (~15% typical error). Not real transaction data. Rent, schools, safety and demographics on this page are real.

Median rent

Est.

$150/wk

modelled estimate · weekly

Demand change

+2.0%

annual shift

Yield × growth index

2.5

combined signal

Net yield (est.)

3.52%

after mgmt, rates, insurance, maintenance

5-yr growth (CAGR)

+8.5%

est. compound, long-run avg

10-yr growth (CAGR)

+6.4%

est. compound, long-run avg

Rental demand

51 / 100

Moderate demand

Supply pipeline

Real

0.8%

new dwellings approved / stock · ABS 2024-25

Low supply pressure

Dwellings built (SA)

Real

14,051

completed in year to Mar-2026 · ABS 8752.0 (state)

17.1% vs prior year · 14,902 started

5-year price history

No price history available.

Source: Modelled estimate · 2026 · all sources

Market overview

CORTLINYE is a SA suburb offering lower rental yield and moderate price growth. The local economy supports a stable rental base, with ongoing demand from owner-occupiers and investors seeking value outside capital cities.

Highlights

  • Rental yield 2.1% with stable tenant demand
  • Very low vacancy rate — high rental demand
  • Tight new-supply pipeline (0.8% of stock) — limited new competition supports prices
  • Access to national transport network and amenities

Risk factors

  • Subject to broader interest rate and economic conditions

Community profile

Source: ABS Census 2021 · ATO 2022–23

Median household income

$1,273/wk

$43k taxable p.a.

Renters

18.5%

75.6% owner-occupier

Median age

43.0 yrs

Unemployment

3.3%

ABS SALM (SA2)

Population growth

+1.0% p.a.

Projected growth

-0.3% p.a.

state gov forecast

Socio-economic

6/10

SEIFA IRSAD decile · ABS

Investor-owned

11.0%

of all dwellings (ATO)

Houses

77%

8% apartments

Degree qualified

19.7%

bachelor's or higher (ABS)

Work from home

10.3%

of employed residents (ABS Census)

Median lot size

1.5 ha

Large block

Household size

2.4 persons

avg per dwelling (ABS Census)

Short-term rental

2.6%

Mostly long-term tenants

Market activity

Distance to CBD

292.5 km

Regional

Days on market

73 days

Slower market

Auction clearance

37.7%

Buyer's market

Walkability

0 / 100

Car-dependent

Coastal proximity

135.5 km

Inland

NBN technology

Fixed Wireless

Regional — wireless tower

Population density

117/km²

Low density

Schools in postcode 5641

📚1 Combined
ACARA 2025

📚Combined (1)

Kimba Area School

Government · Yrs R-12 · Remote

ICSEA 992(43%)
187 students12:1 student–teacher43% girls9% top SEA quarter

ICSEA measures the socio-educational background of each school's student community — not academic results or school quality. National average = 1000. Source: ACARA My School 2025.

Liveability & safety

Safety index

Moderate
63/ 100

11.1 offences / 100 persons

Source: SA Police · 2024-25

School quality

Average
992ICSEA · national avg 1000

1 school in postcode area

Source: ACARA My School 2025

Transit access

Limited
28/ 100
🚆 1 train🚌 5 bus

Source: State GTFS feeds

Gentrification signal

17

/ 100

Stable / no signal

Established suburb with stable demographics. Consistent demand but lower gentrification upside.

Composite: education premium · youth cohort · rental activity · price gap · transit quality

Environmental risk

🌊

Flood risk

medium

Source: State GIS flood zone data

🔥

Bushfire risk

high

Source: CFA / RFS / DFES zone data

⛈️

Storm risk

none

Coastal exposure + state climate

Live suburb intelligence

Fetching live data…

Location

Properties in CORTLINYE

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