Secret Harbour vs Karnup

Karnup is the younger of the two, with a median age of 30 against 34 in Secret Harbour. In both, the large majority of households own their home, the large majority of homes are detached houses, and most households are couple families. Houses cost more in Secret Harbour: a median of $920,000, against $780,000 in Karnup. On these figures, Karnup tends to suit young adults and buyers on a tighter budget.

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

Secret Harbour

ahead on 3 of the 6 things we measure here

  • has more childcare (5 vs 1)
  • has more parks and reserves (4 vs 1)
  • has more schools inside the suburb (3 vs 1)

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

First-home buyers

Karnup

ahead on 2 of the 3 things we measure here

  • has cheaper land ($532,500 vs $777,500)
  • has cheaper houses ($780,000 vs $920,000)

Weighs house prices, land prices, and mortgage stress.

Renters

Too close to call

Nothing among the 3 things we measure here separates them by enough to be worth acting on.

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

Commuting to the city

Secret Harbour

ahead on the one thing that separates them

  • is more walkable (76/100 vs 0/100)

Weighs distance, drive time, rail access, and walkability.

Downsizers and retirees

Secret Harbour

ahead on the one thing that separates them

  • is more walkable (76/100 vs 0/100)

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

Investors

Karnup

ahead on the one thing that separates them

  • is growing faster (52.9% vs 3.3%)

Weighs house yield and population growth.

Where they sit

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

Secret Harbour Karnup
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.

Secret Harbour Karnup
Walkability 76 / 0
Secret Harbour — Walkability: 76/100 Karnup — Walkability: 0/100
Safety 48 / 47
Secret Harbour — Safety: 48/100 Karnup — Safety: 47/100
Low fire risk 37 / 52
Secret Harbour — Low fire risk: 37/100 Karnup — Low fire risk: 52/100
Low flood risk 100 / 54
Secret Harbour — Low flood risk: 100/100 Karnup — Low flood risk: 54/100

Demographics

Secret Harbour has more residents (12,474 vs 2,096); Secret Harbour has higher household incomes ($129,584 vs $110,344).

Secret Harbour Karnup
Population 12,474
+83% vs other
 2,096
Population trend (2016 → 2021) +3.3% +52.9%
Median age 34 30
Median household income $129,584/yr
+15% vs other
 $110,344/yr
Median weekly rent $380/wk
+3% vs other
 $370/wk

Age profile

Share of residents in each band, 2021 Census.

Secret Harbour Karnup
0-4 6.4% / 10.3%
Secret Harbour — 0-4: 6.4% Karnup — 0-4: 10.3%
5-14 18.7% / 16.1%
Secret Harbour — 5-14: 18.7% Karnup — 5-14: 16.1%
15-19 9.0% / 6.3%
Secret Harbour — 15-19: 9.0% Karnup — 15-19: 6.3%
20-24 5.9% / 5.3%
Secret Harbour — 20-24: 5.9% Karnup — 20-24: 5.3%
25-34 10.5% / 19.7%
Secret Harbour — 25-34: 10.5% Karnup — 25-34: 19.7%
35-44 16.0% / 12.3%
Secret Harbour — 35-44: 16.0% Karnup — 35-44: 12.3%
45-54 17.1% / 11.1%
Secret Harbour — 45-54: 17.1% Karnup — 45-54: 11.1%
55-64 9.7% / 8.9%
Secret Harbour — 55-64: 9.7% Karnup — 55-64: 8.9%
65-74 4.2% / 6.7%
Secret Harbour — 65-74: 4.2% Karnup — 65-74: 6.7%
75-84 1.9% / 2.3%
Secret Harbour — 75-84: 1.9% Karnup — 75-84: 2.3%
85+ 0.4% / 0.7%
Secret Harbour — 85+: 0.4% Karnup — 85+: 0.7%

Bars are drawn against the largest share shown (19.7%).

Who lives together

Household composition, 2021 Census.

Secret Harbour 65.8% couple families
Secret Harbour — Couple Families: 65.8% Secret Harbour — One Parent Families: 17.0% Secret Harbour — Lone Person: 14.6% Secret Harbour — Group Household: 1.7% Secret Harbour — Other Families: 0.9%
Karnup 62.8% couple families
Karnup — Couple Families: 62.8% Karnup — One Parent Families: 17.2% Karnup — Lone Person: 17.4% Karnup — Group Household: 1.4% Karnup — Other Families: 1.2%
Couple Families One Parent Families Lone Person Group Household Other Families

Who owns and who rents

Occupied private dwellings by tenure, 2021 Census.

Secret Harbour 19.7% renting
Secret Harbour — Owned Outright: 18.6% Secret Harbour — Mortgage: 61.7% Secret Harbour — Renting: 19.7%
Karnup 20.0% renting
Karnup — Owned Outright: 17.9% Karnup — Mortgage: 62.1% Karnup — Renting: 20.0%
Owned outright Mortgage Renting

Where residents were born

Largest overseas birthplaces, as a share of all residents, 2021 Census. A dash means that country is not among the suburb's own eight largest.

Secret Harbour Karnup
England 17.7% / 10.3%
Secret Harbour — England: 17.7% Karnup — England: 10.3%
New Zealand 4.3% / 4.8%
Secret Harbour — New Zealand: 4.3% Karnup — New Zealand: 4.8%
South Africa 2.6% / 1.9%
Secret Harbour — South Africa: 2.6% Karnup — South Africa: 1.9%
Scotland 2.5% / 1.3%
Secret Harbour — Scotland: 2.5% Karnup — Scotland: 1.3%
Ireland 0.7% / 0.9%
Secret Harbour — Ireland: 0.7% Karnup — Ireland: 0.9%

Bars are drawn against the largest share shown (17.7%).

Qualifications

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

Secret Harbour Karnup
Certificate III & IV 19.6% / 20.7%
Secret Harbour — Certificate III & IV: 19.6% Karnup — Certificate III & IV: 20.7%
Advanced Diploma / Diploma 8.6% / 8.0%
Secret Harbour — Advanced Diploma / Diploma: 8.6% Karnup — Advanced Diploma / Diploma: 8.0%
Bachelor Degree 8.7% / 5.5%
Secret Harbour — Bachelor Degree: 8.7% Karnup — Bachelor Degree: 5.5%
Postgraduate Degree 1.8% / 1.6%
Secret Harbour — Postgraduate Degree: 1.8% Karnup — Postgraduate Degree: 1.6%
Graduate Diploma / Certificate 1.4% / 1.3%
Secret Harbour — Graduate Diploma / Certificate: 1.4% Karnup — Graduate Diploma / Certificate: 1.3%

Bars are drawn against the largest share shown (20.7%).

What people live in

Occupied private dwellings by structure, 2021 Census.

Secret Harbour 98.7% houses
Secret Harbour — Houses: 98.7% Secret Harbour — Townhouses: 1.0% Secret Harbour — Flats / Apartments: 0.3%
Karnup 99.5% houses
Karnup — Houses: 99.5% Karnup — Townhouses: 0.0% Karnup — Flats / Apartments: 0.5%
Houses Townhouses Flats / Apartments

Property market

Secret Harbour Karnup
Median house price $920,000 $780,000
Median unit price $775,000 —
Median land price $777,500 $532,500
Typical days to sell (houses) 22 days
from 138 sales
 21 days
from 48 sales

House price by bedroom count

Only bed counts both suburbs published enough sales for. Sale counts are shown because the buckets differ in depth.

Secret Harbour Karnup
3 bed $798K / $768K
Secret Harbour — 3 bed: $798K (24 sales) Karnup — 3 bed: $768K (18 sales)

24 vs 18 sales

4 bed $915K / $775K
Secret Harbour — 4 bed: $915K (249 sales) Karnup — 4 bed: $775K (69 sales)

249 vs 69 sales

5 bed $1.16M / $871K
Secret Harbour — 5 bed: $1.16M (27 sales) Karnup — 5 bed: $871K (10 sales)

27 vs 10 sales

Development activity

Secret Harbour Karnup
New dwellings approved 1,869
across Rockingham
same for both
Approvals change year on year -11%
same for both

Gross rental yield

Gross — before strata, rates, management, insurance and vacancy. From median advertised rents and median asking prices over the last 6 months. How we calculate.

Secret Harbour Karnup
Houses 3.9%
$715/wk on $949K
 4.1%
$675/wk on $849K
Units —
same for both

Ranking within WA

Secret Harbour Karnup
House price —
same for both
Income Higher than 91% of WA Higher than 75% of WA
Schools Higher than 9% of WA —
Walkability Higher than 92% of WA Higher than 2% of WA
Affordability —
same for both
EV adoption Higher than 75% of WA Higher than 64% of WA
NBN connectivity Higher than 89% of WA Higher than 93% of WA
Rental yield (houses) Higher than 23% of WA Higher than 33% of WA

Liveability

Secret Harbour is more walkable (76 vs 0); Secret Harbour scores higher overall (48 vs 31).

Secret Harbour Karnup
Grade B C
Score 48/100 31/100
Socio-economic band advantaged area
decile 8/10
 mid-range socio-economic
decile 6/10

Risk profile

Karnup carries more flood risk (46 vs 0); Secret Harbour carries more bushfire risk (63 vs 48).

Secret Harbour Karnup
Bushfire Moderate
63/100
 Moderate
48/100
Crime Moderate
52/100
 Moderate
53/100
Flood None
0/100
 Moderate
46/100
Coastal erosion None
0/100
same for both
Aircraft noise None
0/100
same for both
Industrial facilities nearby 3
within 5 km
 2
within 5 km

Schools

Secret Harbour Karnup
Inside the suburb 3 1
Rated above peers 0
same for both
Rated at peers 2 0
Rated below peers 1 0

Schools in Secret Harbour

  • Comet Bay College Government · Secondary at peers
  • Secret Harbour Primary School Government · Primary at peers
  • Comet Bay Primary School Government · Primary below peers

Schools in Karnup

  • Rockingham Montessori School - Karnup Campus Independent · Combined

Amenities in the suburb

Secret Harbour Karnup
Supermarkets 3 1
Cafes & restaurants 4 1
Parks & reserves 4 1
Childcare 5 1
GPs 1
same for both
Pharmacies 2 1
Banks & Bank@Post 2 0
Fuel stations 1
same for both

Mobility

Secret Harbour Karnup
Walkability score 76/100 0/100
Distance to Perth 60.5 km
+1% vs other
 59.8 km
Drive time (normal traffic) 53 min 52 min
Public transport score 79/100
Bus
 34/100
Bus
Peak arrivals per hour 138.0
7-9am + 5-7pm
 4.8
7-9am + 5-7pm
Median peak wait 0 min
scheduled, not actual
 14 min
scheduled, not actual
Electric vehicle share 0.9%
postcode 6173
 0.6%
postcode 6176
Rooftop solar per 100 dwellings 82
postcode 6173
 83
postcode 6176

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.

Secret Harbour Karnup
Car (driver) 77.1% / 76.6%
Secret Harbour — Car (driver): 77.1% Karnup — Car (driver): 76.6%
Worked from Home 7.2% / 10.7%
Secret Harbour — Worked from Home: 7.2% Karnup — Worked from Home: 10.7%
Car (passenger) 5.9% / 5.5%
Secret Harbour — Car (passenger): 5.9% Karnup — Car (passenger): 5.5%
Train 5.4% / 2.5%
Secret Harbour — Train: 5.4% Karnup — Train: 2.5%
Walked Only 1.4% / 3.6%
Secret Harbour — Walked Only: 1.4% Karnup — Walked Only: 3.6%
Bus 2.7% / 1.1%
Secret Harbour — Bus: 2.7% Karnup — Bus: 1.1%

Bars are drawn against the largest share shown (77.1%).

Setting

Secret Harbour Karnup
Elevation 7 m
above sea level, at the suburb centre
 9 m
above sea level, at the suburb centre
Distance to the ocean 1.3 km
1.4 km to a named beach
 4.5 km
4.5 km to a named beach

NBN connectivity

Secret Harbour Karnup
Connectivity score 76/100 83/100
Most common technology Fibre to the premises
same for both
Full-fibre (FTTP) share 55%
4,458 premises
 76%
1,006 premises

Climate

Secret Harbour Karnup
Annual rainfall —
same for both
Summer max (Jan) —
same for both
Winter min (Jul) —
same for both

Council rates

Secret Harbour Karnup
Average residential rate $2,007/yr
same for both
Council Rockingham
same for both

Federal electorate

Secret Harbour Karnup
Division Canning
same for both
Member Andrew Hastie
same for both
Party Liberal
same for both

First Home Owner Grant

Secret Harbour Karnup
Grant amount $10,000
same for both
Property price cap $800,000
same for both
Eligibility New
same for both

Tags

Secret Harbour

Beach Coastal Family Quiet Regional Centre

Karnup

Acreage Family Young Families

More comparisons

Other comparisons with Secret Harbour

Secret Harbour vs Port Kennedy Secret Harbour vs Golden Bay

Other comparisons with Karnup

Karnup vs Baldivis Karnup vs Port Kennedy Karnup vs Lakelands Karnup vs Golden Bay Karnup vs Singleton Karnup vs Madora Bay
Full data on Secret Harbour Full data on Karnup
Unlock full address-level data — $29/month

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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