Karnup vs Madora Bay
Karnup is the younger of the two, with a median age of 30 against 36 in Madora Bay. 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 Madora Bay: a median of $940,000, against $780,000 in Karnup. On these figures, Karnup tends to suit families with children 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
Madora Bay
ahead on 2 of the 6 things we measure here
- has more childcare (4 vs 1)
- carries lower crime risk (41/100 vs 53/100)
Weighs schools, house stock, crime, parks, childcare, and who already lives there.
First-home buyers
Karnup
ahead on the one thing that separates them
- has cheaper houses ($780,000 vs $940,000)
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
They split
one each way, out of the 4 things we measure here
- Karnup sits closer to the CBD (59.8 km vs 65.3 km)
- Madora Bay is more walkable (75/100 vs 0/100)
Weighs distance, drive time, rail access, and walkability.
Downsizers and retirees
Madora Bay
ahead on 2 of the 5 things we measure here
- is more walkable (75/100 vs 0/100)
- carries lower crime risk (41/100 vs 53/100)
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 40.4%)
Weighs house yield and population growth.
Where they sit
Karnup and Madora Bay drawn to the same scale. Both outlines are shown together, so the map answers whether they share a border and how their areas compare.
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.
Demographics
Madora Bay has more residents (3,830 vs 2,096); Madora Bay skews older (36 vs 30).
| Karnup | Madora Bay | |
|---|---|---|
| Population | 2,096 | 3,830 +83% vs other |
| Population trend (2016 → 2021) | +52.9% | +40.4% |
| Median age | 30 | 36 |
| Median household income | $110,344/yr | $119,080/yr +8% vs other |
| Median weekly rent | $370/wk same for both | |
Age profile
Share of residents in each band, 2021 Census.
Bars are drawn against the largest share shown (19.7%).
Who lives together
Household composition, 2021 Census.
Who owns and who rents
Occupied private dwellings by tenure, 2021 Census.
Qualifications
Highest non-school qualification, residents 15+, 2021 Census.
Bars are drawn against the largest share shown (20.7%).
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.
Bars are drawn against the largest share shown (13.1%).
What people live in
Occupied private dwellings by structure, 2021 Census.
Property market
| Karnup | Madora Bay | |
|---|---|---|
| Median house price | $780,000 | $940,000 |
| Median unit price | — same for both | |
| Median land price | $532,500 | $520,000 |
| Typical days to sell (houses) | 21 days from 48 sales | 36 days from 92 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.
18 vs 28 sales
69 vs 104 sales
10 vs 11 sales
Development activity
| Karnup | Madora Bay | |
|---|---|---|
| New dwellings approved | 1,869 across Rockingham | 1,482 across Mandurah |
| Approvals change year on year | -11% | +20% |
Gross rental yield
| Karnup | Madora Bay | |
|---|---|---|
| Houses | 4.1% $675/wk on $849K | 3.7% $700/wk on $997K |
| Units | — same for both | |
Ranking within WA
| Karnup | Madora Bay | |
|---|---|---|
| House price | — same for both | |
| Income | Higher than 75% of WA | Higher than 85% of WA |
| Schools | — same for both | |
| Walkability | Higher than 2% of WA | Higher than 92% of WA |
| Affordability | — same for both | |
| EV adoption | Higher than 64% of WA | Higher than 65% of WA |
| NBN connectivity | Higher than 93% of WA | Higher than 99% of WA |
| Rental yield (houses) | Higher than 33% of WA | Higher than 17% of WA |
Liveability
Madora Bay is more walkable (75 vs 0); Madora Bay scores higher overall (74 vs 31).
| Karnup | Madora Bay | |
|---|---|---|
| Grade | C | A |
| Score | 31/100 | 74/100 |
| Socio-economic band | mid-range socio-economic decile 6/10 | advantaged area decile 8/10 |
Risk profile
Karnup carries more flood risk (46 vs 0); Karnup carries more bushfire risk (48 vs 21).
| Karnup | Madora Bay | |
|---|---|---|
| Bushfire | Moderate 48/100 | Low 21/100 |
| Crime | Moderate 53/100 | Moderate 41/100 |
| Flood | Moderate 46/100 | None 0/100 |
| Coastal erosion | None 0/100 | Low 28/100 |
| Aircraft noise | None 0/100 same for both | |
| Industrial facilities nearby | 2 within 5 km | 1 within 5 km |
Schools
| Karnup | Madora Bay | |
|---|---|---|
| Inside the suburb | 1 | 2 |
| Rated above peers | 0 same for both | |
| Rated at peers | 0 same for both | |
| Rated below peers | 0 | 1 |
Schools in Karnup
- Rockingham Montessori School - Karnup Campus Independent · Combined
Schools in Madora Bay
- Madora Bay Primary School Government · Primary below peers
- St Marcellin Catholic College Independent · Combined
Amenities in the suburb
| Karnup | Madora Bay | |
|---|---|---|
| Supermarkets | 1 | 0 |
| Cafes & restaurants | 1 | 0 |
| Parks & reserves | 1 | 3 |
| Childcare | 1 | 4 |
| GPs | 1 | 0 |
| Pharmacies | 1 | 0 |
| Fuel stations | 1 | 0 |
Mobility
Madora Bay sits further from the CBD (65.3 km vs 59.8 km).
| Karnup | Madora Bay | |
|---|---|---|
| Walkability score | 0/100 | 75/100 |
| Distance to Perth | 59.8 km | 65.3 km +9% vs other |
| Drive time (normal traffic) | 52 min | 55 min |
| Public transport score | 34/100 Bus | 79/100 Bus |
| Peak arrivals per hour | 4.8 7-9am + 5-7pm | 52.5 7-9am + 5-7pm |
| Median peak wait | 14 min scheduled, not actual | 1 min scheduled, not actual |
| Electric vehicle share | 0.6% postcode 6176 | 0.7% postcode 6210 |
| Rooftop solar per 100 dwellings | 83 postcode 6176 | 62 postcode 6210 |
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.
Bars are drawn against the largest share shown (76.7%).
Setting
| Karnup | Madora Bay | |
|---|---|---|
| Elevation | 9 m above sea level, at the suburb centre same for both | |
| Distance to the ocean | 4.5 km 4.5 km to a named beach | 569 m 564 m to a named beach |
NBN connectivity
| Karnup | Madora Bay | |
|---|---|---|
| Connectivity score | 83/100 | 100/100 |
| Most common technology | Fibre to the premises same for both | |
| Full-fibre (FTTP) share | 76% 1,006 premises | 100% 1,859 premises |
Climate
| Karnup | Madora Bay | |
|---|---|---|
| Annual rainfall | — same for both | |
| Summer max (Jan) | — same for both | |
| Winter min (Jul) | — same for both | |
Council rates
| Karnup | Madora Bay | |
|---|---|---|
| Average residential rate | $2,007/yr | $2,186/yr |
| Council | Rockingham | Mandurah |
Federal electorate
| Karnup | Madora Bay | |
|---|---|---|
| Division | Canning same for both | |
| Member | Andrew Hastie same for both | |
| Party | Liberal same for both | |
First Home Owner Grant
| Karnup | Madora Bay | |
|---|---|---|
| Grant amount | $10,000 same for both | |
| Property price cap | $800,000 same for both | |
| Eligibility | New same for both | |
Tags
Karnup
Madora Bay
More comparisons
Other comparisons with Karnup
Other comparisons with Madora Bay
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.