Parndana vs Duncan

Duncan is the younger of the two, with a median age of 32 against 43 in Parndana. In both, most households own their home and the large majority of homes are detached houses. In Duncan, most households are couple families. On these figures, Parndana tends to suit people living alone and older residents, while Duncan suits young adults, families with children, and couples.

Which one suits you?

There is no overall winner — the suburb that suits a family with school-age kids is routinely the wrong one for someone commuting into the city. So each of these answers its own question, against a checklist you can see, using the same figures in the tables below.

Families with school-age kids

Duncan

ahead on 2 of the 6 things we measure here

  • has more parks and reserves (6 vs 0)
  • is already more of a family suburb (69% vs 46%)
  • But Parndana carries lower crime risk (12/100 vs 24/100)

Weighs schools, house stock, crime, parks, childcare, and who already lives there.

First-home buyers

Duncan

ahead on the one thing that separates them

  • leaves households under less mortgage stress (7% vs 18%)

Weighs mortgage stress.

Renters

Duncan

ahead on 2 of the 3 things we measure here

  • leaves renters under less rental stress (8% vs 18%)
  • has cheaper rent ($158/wk vs $200/wk)

Weighs rent, rental stress, and how much is for rent.

Commuting to the city

Parndana

ahead on 3 of the 3 things we measure here

  • is more walkable (22/100 vs 0/100)
  • sits closer to the CBD (205 km vs 218.4 km)
  • has a shorter drive in (215 min vs 227 min)

Weighs distance, drive time, and walkability.

Downsizers and retirees

Parndana

ahead on 3 of the 4 things we measure here

  • is more walkable (22/100 vs 0/100)
  • has more residents already 65 and over (24% vs 12%)
  • carries lower crime risk (12/100 vs 24/100)

Weighs who already lives there, GPs, walkability, and crime.

Investors

Too close to call

Nothing among the 1 things we measure here separates them by enough to be worth acting on.

Weighs population growth.

Where they sit

Parndana and Duncan drawn to the same scale. Both outlines are shown together, so the map answers whether they share a border and how their areas compare.

Parndana Duncan
Hides rows where both suburbs match

Bars start at zero. Scores, risks and rankings are drawn against their full 0–100 range; other rows are drawn in proportion to the larger of the two.

Side by side, out of 100

Risks are inverted — shown as safety and low exposure — so a longer bar always means better.

Parndana Duncan
Walkability 22 / 0
Parndana — Walkability: 22/100 Duncan — Walkability: 0/100
Safety 88 / 76
Parndana — Safety: 88/100 Duncan — Safety: 76/100
Low fire risk 2 / 17
Parndana — Low fire risk: 2/100 Duncan — Low fire risk: 17/100

Demographics

Parndana has more residents (155 vs 67); Duncan has higher household incomes ($97,500 vs $57,200).

Parndana Duncan
Population 155
+57% vs other
 67
Population trend (2016 → 2021) +4.0% +1.5%
Median age 43 32
Median household income $57,200/yr $97,500/yr
+70% vs other
Median weekly rent $200/wk
+21% vs other
 $158/wk

Age profile

Share of residents in each band, 2021 Census.

Parndana Duncan
0-4 10.3% / 14.9%
Parndana — 0-4: 10.3% Duncan — 0-4: 14.9%
5-14 10.3% / 13.4%
Parndana — 5-14: 10.3% Duncan — 5-14: 13.4%
15-19 2.6% / 4.5%
Parndana — 15-19: 2.6% Duncan — 15-19: 4.5%
20-24 1.9% / 4.5%
Parndana — 20-24: 1.9% Duncan — 20-24: 4.5%
25-34 16.1% / 22.4%
Parndana — 25-34: 16.1% Duncan — 25-34: 22.4%
35-44 10.3% / 16.4%
Parndana — 35-44: 10.3% Duncan — 35-44: 16.4%
45-54 12.9% / 11.9%
Parndana — 45-54: 12.9% Duncan — 45-54: 11.9%
55-64 15.5% / 7.5%
Parndana — 55-64: 15.5% Duncan — 55-64: 7.5%
65-74 11.6% / 11.9%
Parndana — 65-74: 11.6% Duncan — 65-74: 11.9%
75-84 7.7% / —
Parndana — 75-84: 7.7% Duncan — 75-84: not among its largest
85+ 4.5% / —
Parndana — 85+: 4.5% Duncan — 85+: not among its largest

Bars are drawn against the largest share shown (22.4%).

Who lives together

Household composition, 2021 Census.

Parndana 19.5% couple families
Parndana — Couple Families: 19.5% Parndana — Lone Person: 41.5% Parndana — One Parent Families: 26.8% Parndana — Group Household: 12.2%
Duncan 69.2% couple families
Duncan — Couple Families: 69.2% Duncan — Lone Person: 30.8% Duncan — One Parent Families: 0.0% Duncan — Group Household: 0.0%
Couple Families Lone Person One Parent Families Group Household

Who owns and who rents

Occupied private dwellings by tenure, 2021 Census.

Parndana 30.0% renting
Parndana — Owned Outright: 33.3% Parndana — Mortgage: 36.7% Parndana — Renting: 30.0%
Duncan 22.2% renting
Duncan — Owned Outright: 33.3% Duncan — Mortgage: 44.4% Duncan — Renting: 22.2%
Owned outright Mortgage Renting

What people live in

Occupied private dwellings by structure, 2021 Census.

Parndana 94.9% houses
Parndana — Houses: 94.9% Parndana — Flats / Apartments: 5.1%
Duncan 100.0% houses
Duncan — Houses: 100.0% Duncan — Flats / Apartments: 0.0%
Houses Flats / Apartments

Qualifications

Highest non-school qualification, residents 15+, 2021 Census.

Parndana Duncan
Certificate III & IV 17.4% / 13.4%
Parndana — Certificate III & IV: 17.4% Duncan — Certificate III & IV: 13.4%
Bachelor Degree 5.2% / 9.0%
Parndana — Bachelor Degree: 5.2% Duncan — Bachelor Degree: 9.0%
Advanced Diploma / Diploma 5.2% / 9.0%
Parndana — Advanced Diploma / Diploma: 5.2% Duncan — Advanced Diploma / Diploma: 9.0%
Graduate Diploma / Certificate — / 4.5%
Parndana — Graduate Diploma / Certificate: not among its largest Duncan — Graduate Diploma / Certificate: 4.5%

Bars are drawn against the largest share shown (17.4%).

Property market

Parndana Duncan
Median house price $350,000 —
Median unit price —
same for both
Median land price —
same for both

Zoning mix

Duncan has more rural and farming land (100% vs 63%).

Parndana Duncan
Rural and farming 63% 100%
Residential 19% 0%
Parks and recreation 12% 0%
Industrial 3% 0%
Commercial 2% 0%
Zoning sets what may be built, not what is there today. A single address can sit in a different zone to the suburb around it. Zones as at 2026-09.

Development activity

Parndana Duncan
New dwellings approved 48
across Kangaroo Island
same for both
Approvals change year on year -12%
same for both

Ranking within SA

Parndana Duncan
House price —
same for both
Income Higher than 22% of SA Higher than 75% of SA
Schools —
same for both
Walkability Higher than 72% of SA Higher than 1% of SA
Affordability —
same for both
EV adoption — Higher than 44% of SA
NBN connectivity Higher than 1% of SA
same for both

Liveability

Parndana is more walkable (22 vs 0).

Parndana Duncan
Grade —
same for both
Score —
same for both
Socio-economic band high-need area
decile 1/10
 mid-range socio-economic
decile 6/10

Risk profile

Duncan carries more crime risk (24 vs 12); Parndana carries more bushfire risk (98 vs 83).

Parndana Duncan
Bushfire High
98/100
 High
83/100
Crime Low
12/100
 Low
24/100
Flood —
same for both
Coastal erosion None
0/100
same for both
Aircraft noise None
0/100
same for both
Industrial facilities nearby 0
within 5 km
same for both

Schools

Parndana Duncan
Inside the suburb 1 0
Rated above peers 0
same for both
Rated at peers 0
same for both
Rated below peers 0
same for both

Schools in Parndana

  • Kangaroo Island Community Education - Parndana Campus Government · Combined

Schools in Duncan

No schools recorded inside this suburb's boundary. Children here will be zoned to schools nearby.

Amenities in the suburb

Parndana Duncan
Parks & reserves 0 6
Childcare 2 0
Banks & Bank@Post 1 0
EV chargers 1 0
Waterways 0 34

Mobility

Duncan sits further from the CBD (218.4 km vs 205 km).

Parndana Duncan
Walkability score 22/100 0/100
Distance to Adelaide 205 km 218.4 km
+7% vs other
Drive time (normal traffic) 215 min 227 min
Electric vehicle share 0.0%
postcode 5220
 0.4%
postcode 5223
Rooftop solar per 100 dwellings — 54
postcode 5223

How people get to work

Method of travel on census day 2021 — which fell during COVID restrictions, so working from home is inflated and every travel mode understated.

Parndana Duncan
Car (driver) 87.5% / 34.6%
Parndana — Car (driver): 87.5% Duncan — Car (driver): 34.6%
Worked from Home 5.4% / 65.4%
Parndana — Worked from Home: 5.4% Duncan — Worked from Home: 65.4%
Car (passenger) 7.1% / —
Parndana — Car (passenger): 7.1% Duncan — Car (passenger): not among its largest

Bars are drawn against the largest share shown (87.5%).

Setting

Parndana Duncan
Elevation 154 m
above sea level, at the suburb centre
 195 m
above sea level, at the suburb centre
Distance to the ocean 18.7 km 11.3 km

NBN connectivity

Parndana Duncan
Connectivity score 15/100
same for both
Most common technology Satellite (Sky Muster)
same for both
Full-fibre (FTTP) share 0%
14 premises
 0%
12 premises

Climate

Parndana Duncan
Annual rainfall 412 mm
same for both
Summer max (Jan) —
same for both
Winter min (Jul) —
same for both

Council rates

Parndana Duncan
Average residential rate $1,908/yr
same for both
Council Kangaroo Island
same for both

Federal electorate

Parndana Duncan
Division Mayo
same for both
Member Rebekha Sharkie
same for both
Party Centre Alliance
same for both

First Home Owner Grant

Parndana Duncan
Grant amount $15,000
same for both
Property price cap —
same for both
Eligibility New
same for both

Tags

Parndana

Quiet Rural Young Families

Duncan

Family River Rural Young Families

More comparisons

Other comparisons with Parndana

Parndana vs Seddon Parndana vs Cassini

Other comparisons with Duncan

Duncan vs Seddon Duncan vs Cassini Duncan vs Newland Duncan vs Stokes Bay
Full data on Parndana Full data on Duncan
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Information shown is provided as-is from Australian government and commercial data sources.
Always verify with the relevant authority before making property decisions.
See Data Sources and How We Calculate for details.

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