Boya vs Koongamia

Koongamia is the younger of the two, with a median age of 37 against 41 in Boya. In both, most households own their home and the large majority of homes are detached houses. In Boya, about half of households are couple families. Houses cost more in Boya: a median of $970,000, against $630,000 in Koongamia, and rent is higher there too. Koongamia is closer to the city centre: 21.8 km, against 24.8 km. On these figures, Boya tends to suit couples, while Koongamia suits people living alone 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

Boya

ahead on 2 of the 6 things we measure here

  • carries lower crime risk (15/100 vs 81/100)
  • is already more of a family suburb (59% vs 50%)
  • But Koongamia has more schools rated above their peers (1 vs 0)

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

First-home buyers

Koongamia

ahead on the one thing that separates them

  • has cheaper houses ($630,000 vs $970,000)

Weighs house prices and mortgage stress.

Renters

Koongamia

ahead on 2 of the 3 things we measure here

  • has a bigger rental market to choose from (34% vs 6%)
  • has cheaper rent ($285/wk vs $395/wk)

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

Commuting to the city

Koongamia

ahead on 2 of the 4 things we measure here

  • is more walkable (47/100 vs 33/100)
  • sits closer to the CBD (21.8 km vs 24.8 km)

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

Downsizers and retirees

They split

one each way, out of the 4 things we measure here

  • Boya carries lower crime risk (15/100 vs 81/100)
  • Koongamia is more walkable (47/100 vs 33/100)

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

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

Boya Koongamia
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.

Boya Koongamia
Walkability 33 / 47
Boya — Walkability: 33/100 Koongamia — Walkability: 47/100
Safety 85 / 19
Boya — Safety: 85/100 Koongamia — Safety: 19/100
Low fire risk 26 / 55
Boya — Low fire risk: 26/100 Koongamia — Low fire risk: 55/100
Low flood risk 100 / 100
Boya — Low flood risk: 100/100 Koongamia — Low flood risk: 100/100

Demographics

Boya has higher household incomes ($112,268 vs $65,520); Koongamia has more residents (985 vs 669).

Boya Koongamia
Population 669 985
+47% vs other
Population trend (2016 → 2021) +3.4% -0.3%
Median age 41 37
Median household income $112,268/yr
+42% vs other
 $65,520/yr
Median weekly rent $395/wk
+28% vs other
 $285/wk

Age profile

Share of residents in each band, 2021 Census.

Boya Koongamia
0-4 7.5% / 6.3%
Boya — 0-4: 7.5% Koongamia — 0-4: 6.3%
5-14 11.7% / 11.3%
Boya — 5-14: 11.7% Koongamia — 5-14: 11.3%
15-19 4.8% / 5.6%
Boya — 15-19: 4.8% Koongamia — 15-19: 5.6%
20-24 4.8% / 7.4%
Boya — 20-24: 4.8% Koongamia — 20-24: 7.4%
25-34 12.1% / 15.7%
Boya — 25-34: 12.1% Koongamia — 25-34: 15.7%
35-44 12.4% / 14.1%
Boya — 35-44: 12.4% Koongamia — 35-44: 14.1%
45-54 13.9% / 11.3%
Boya — 45-54: 13.9% Koongamia — 45-54: 11.3%
55-64 13.5% / 12.4%
Boya — 55-64: 13.5% Koongamia — 55-64: 12.4%
65-74 10.2% / 9.8%
Boya — 65-74: 10.2% Koongamia — 65-74: 9.8%
75-84 6.4% / 5.9%
Boya — 75-84: 6.4% Koongamia — 75-84: 5.9%
85+ 2.2% / 0.9%
Boya — 85+: 2.2% Koongamia — 85+: 0.9%

Bars are drawn against the largest share shown (15.7%).

Who lives together

Household composition, 2021 Census.

Boya 50.3% couple families
Boya — Couple Families: 50.3% Boya — Lone Person: 33.1% Boya — One Parent Families: 9.1% Boya — Group Household: 5.1% Boya — Other Families: 2.3%
Koongamia 25.3% couple families
Koongamia — Couple Families: 25.3% Koongamia — Lone Person: 41.8% Koongamia — One Parent Families: 24.4% Koongamia — Group Household: 6.1% Koongamia — Other Families: 2.4%
Couple Families Lone Person One Parent Families Group Household Other Families

Who owns and who rents

Occupied private dwellings by tenure, 2021 Census.

Boya 6.2% renting
Boya — Owned Outright: 41.9% Boya — Mortgage: 51.9% Boya — Renting: 6.2%
Koongamia 34.0% renting
Koongamia — Owned Outright: 21.9% Koongamia — Mortgage: 44.1% Koongamia — Renting: 34.0%
Owned outright Mortgage Renting

Qualifications

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

Boya Koongamia
Certificate III & IV 17.8% / 18.6%
Boya — Certificate III & IV: 17.8% Koongamia — Certificate III & IV: 18.6%
Bachelor Degree 16.7% / 5.6%
Boya — Bachelor Degree: 16.7% Koongamia — Bachelor Degree: 5.6%
Advanced Diploma / Diploma 9.3% / 5.6%
Boya — Advanced Diploma / Diploma: 9.3% Koongamia — Advanced Diploma / Diploma: 5.6%
Postgraduate Degree 5.5% / 0.7%
Boya — Postgraduate Degree: 5.5% Koongamia — Postgraduate Degree: 0.7%
Graduate Diploma / Certificate 2.5% / 1.3%
Boya — Graduate Diploma / Certificate: 2.5% Koongamia — Graduate Diploma / Certificate: 1.3%

Bars are drawn against the largest share shown (18.6%).

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.

Boya Koongamia
England 11.5% / 5.7%
Boya — England: 11.5% Koongamia — England: 5.7%
New Zealand 0.4% / 4.3%
Boya — New Zealand: 0.4% Koongamia — New Zealand: 4.3%
Germany 1.6% / 0.4%
Boya — Germany: 1.6% Koongamia — Germany: 0.4%
Philippines 0.6% / 1.2%
Boya — Philippines: 0.6% Koongamia — Philippines: 1.2%
India 0.7% / 0.6%
Boya — India: 0.7% Koongamia — India: 0.6%
Canada — / 0.7%
Boya — Canada: not among its largest Koongamia — Canada: 0.7%
Netherlands 0.6% / —
Boya — Netherlands: 0.6% Koongamia — Netherlands: not among its largest

Bars are drawn against the largest share shown (11.5%).

What people live in

Occupied private dwellings by structure, 2021 Census.

Boya 100.0% houses
Boya — Houses: 100.0% Boya — Townhouses: 0.0% Boya — Flats / Apartments: 0.0%
Koongamia 92.7% houses
Koongamia — Houses: 92.7% Koongamia — Townhouses: 6.8% Koongamia — Flats / Apartments: 0.5%
Houses Townhouses Flats / Apartments

Property market

Boya Koongamia
Median house price $970,000 $630,000
Median unit price —
same for both
Median land price — $300,000
Typical days to sell (houses) 18 days
from 7 sales
 24 days
from 14 sales

Development activity

Boya Koongamia
New dwellings approved 216
across Mundaring
 2,486
across Swan
Approvals change year on year -55% +2%

Ranking within WA

Boya Koongamia
House price —
same for both
Income Higher than 78% of WA Higher than 23% of WA
Schools —
same for both
Walkability Higher than 78% of WA Higher than 82% of WA
Affordability —
same for both
EV adoption Higher than 69% of WA
same for both
NBN connectivity Higher than 70% of WA Higher than 81% of WA

Liveability

Boya scores higher overall (67 vs 35); Koongamia is more walkable (47 vs 33).

Boya Koongamia
Grade B C
Score 67/100 35/100
Socio-economic band very advantaged area
decile 10/10
 high-need area
decile 1/10

Risk profile

Koongamia carries more crime risk (81 vs 15); Boya carries more bushfire risk (74 vs 45).

Boya Koongamia
Bushfire High
74/100
 Moderate
45/100
Crime Low
15/100
 High
81/100
Flood None
0/100
same for both
Coastal erosion None
0/100
same for both
Aircraft noise None
0/100
 Moderate
50/100
Industrial facilities nearby 4
within 5 km
 5
within 5 km

Schools

Boya Koongamia
Inside the suburb 0 1
Rated above peers 0 1
Rated at peers 0
same for both
Rated below peers 0
same for both

Schools in Boya

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

Schools in Koongamia

  • Clayton View Primary School Government · Primary above peers

Amenities in the suburb

Boya Koongamia
Parks & reserves 1
same for both

Mobility

Boya sits further from the CBD (24.8 km vs 21.8 km).

Boya Koongamia
Walkability score 33/100 47/100
Distance to Perth 24.8 km
+12% vs other
 21.8 km
Drive time (normal traffic) 31 min 27 min
Public transport score 46/100
Bus
 51/100
Bus
Peak arrivals per hour 10.0
7-9am + 5-7pm
 12.5
7-9am + 5-7pm
Median peak wait 1 min
scheduled, not actual
same for both
Electric vehicle share 0.8%
postcode 6056
same for both
Rooftop solar per 100 dwellings 56
postcode 6056
same for both

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.

Boya Koongamia
Car (driver) 73.4% / 83.5%
Boya — Car (driver): 73.4% Koongamia — Car (driver): 83.5%
Worked from Home 16.1% / 4.8%
Boya — Worked from Home: 16.1% Koongamia — Worked from Home: 4.8%
Car (passenger) 4.6% / 6.0%
Boya — Car (passenger): 4.6% Koongamia — Car (passenger): 6.0%
Train 4.3% / 3.3%
Boya — Train: 4.3% Koongamia — Train: 3.3%
Bus 1.6% / 1.5%
Boya — Bus: 1.6% Koongamia — Bus: 1.5%

Bars are drawn against the largest share shown (83.5%).

Setting

Boya Koongamia
Elevation 90 m
above sea level, at the suburb centre
 43 m
above sea level, at the suburb centre
Distance to the ocean 28.5 km 27.1 km

NBN connectivity

Boya Koongamia
Connectivity score 48/100 68/100
Most common technology Fibre to the node
same for both
Full-fibre (FTTP) share 5%
291 premises
 41%
497 premises

Climate

Boya Koongamia
Annual rainfall 663 mm
same for both
Summer max (Jan) 32.3°C
same for both
Winter min (Jul) 8.5°C
same for both

Council rates

Boya Koongamia
Average residential rate $2,151/yr $2,699/yr
Council Mundaring Swan

Federal electorate

Boya Koongamia
Division Bullwinkel
same for both
Member Trish Cook
same for both
Party Australian Labor Party
same for both

First Home Owner Grant

Boya Koongamia
Grant amount $10,000
same for both
Property price cap $800,000
same for both
Eligibility New
same for both

Tags

Boya

Acreage Middle-Ring

Koongamia

Affordable Large Blocks Middle-Ring Parks

More comparisons

Other comparisons with Boya

Boya vs Helena Valley Boya vs Darlington Boya vs Greenmount

Other comparisons with Koongamia

Koongamia vs Helena Valley Koongamia vs Greenmount Koongamia vs Bellevue
Full data on Boya Full data on Koongamia
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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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