Castlereagh vs Yarramundi

Castlereagh is the younger of the two, with a median age of 38 against 41 in Yarramundi. 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 Castlereagh: a median of $3.33 million, against $1.97 million in Yarramundi, though rent is higher in Yarramundi. On these figures, Castlereagh tends to suit families with children, while Yarramundi suits couples 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

They split

one each way, out of the 6 things we measure here

  • Castlereagh has more schools inside the suburb (3 vs 0)
  • Yarramundi carries lower crime risk (50/100 vs 80/100)

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

First-home buyers

Yarramundi

ahead on 3 of the 3 things we measure here

  • has cheaper houses ($1,970,000 vs $3,330,000)
  • leaves households under less mortgage stress (19% vs 30%)
  • has cheaper land ($1,885,000 vs $2,580,000)

Weighs house prices, land prices, and mortgage stress.

Renters

Castlereagh

ahead on 3 of the 3 things we measure here

  • has a bigger rental market to choose from (18% vs 8%)
  • has cheaper rent ($428/wk vs $660/wk)
  • leaves renters under less rental stress (18% vs 23%)

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

Commuting to the city

Castlereagh

ahead on 3 of the 4 things we measure here

  • is more walkable (35/100 vs 0/100)
  • has a shorter drive in (59 min vs 72 min)
  • sits closer to the CBD (65.4 km vs 74.7 km)

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

Downsizers and retirees

They split

one each way, out of the 5 things we measure here

  • Castlereagh is more walkable (35/100 vs 0/100)
  • Yarramundi carries lower crime risk (50/100 vs 80/100)

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

Investors

Castlereagh

ahead on the one thing that separates them

  • is growing faster (6.6% vs -1.3%)

Weighs population growth.

Where they sit

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

Castlereagh Yarramundi
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.

Castlereagh Yarramundi
Walkability 35 / 0
Castlereagh — Walkability: 35/100 Yarramundi — Walkability: 0/100
Safety 20 / 50
Castlereagh — Safety: 20/100 Yarramundi — Safety: 50/100
Low fire risk 24 / 13
Castlereagh — Low fire risk: 24/100 Yarramundi — Low fire risk: 13/100

Demographics

Yarramundi rents higher ($660/wk vs $428/wk); Castlereagh has more residents (1,248 vs 829).

Castlereagh Yarramundi
Population 1,248
+34% vs other
 829
Population trend (2016 → 2021) +6.6% -1.3%
Median age 38 41
Median household income $123,240/yr $147,108/yr
+19% vs other
Median weekly rent $428/wk $660/wk
+54% vs other

Age profile

Share of residents in each band, 2021 Census.

Castlereagh Yarramundi
0-4 6.6% / 3.6%
Castlereagh — 0-4: 6.6% Yarramundi — 0-4: 3.6%
5-14 15.3% / 12.9%
Castlereagh — 5-14: 15.3% Yarramundi — 5-14: 12.9%
15-19 6.2% / 9.9%
Castlereagh — 15-19: 6.2% Yarramundi — 15-19: 9.9%
20-24 4.8% / 9.2%
Castlereagh — 20-24: 4.8% Yarramundi — 20-24: 9.2%
25-34 12.5% / 9.4%
Castlereagh — 25-34: 12.5% Yarramundi — 25-34: 9.4%
35-44 13.7% / 10.5%
Castlereagh — 35-44: 13.7% Yarramundi — 35-44: 10.5%
45-54 10.5% / 17.2%
Castlereagh — 45-54: 10.5% Yarramundi — 45-54: 17.2%
55-64 12.3% / 13.9%
Castlereagh — 55-64: 12.3% Yarramundi — 55-64: 13.9%
65-74 11.5% / 9.3%
Castlereagh — 65-74: 11.5% Yarramundi — 65-74: 9.3%
75-84 5.0% / 4.2%
Castlereagh — 75-84: 5.0% Yarramundi — 75-84: 4.2%
85+ 1.8% / 0.6%
Castlereagh — 85+: 1.8% Yarramundi — 85+: 0.6%

Bars are drawn against the largest share shown (17.2%).

Who lives together

Household composition, 2021 Census.

Castlereagh 63.7% couple families
Castlereagh — Couple Families: 63.7% Castlereagh — Lone Person: 16.5% Castlereagh — One Parent Families: 14.7% Castlereagh — Group Household: 4.0% Castlereagh — Other Families: 1.1%
Yarramundi 78.3% couple families
Yarramundi — Couple Families: 78.3% Yarramundi — Lone Person: 11.8% Yarramundi — One Parent Families: 8.1% Yarramundi — Group Household: 1.9% Yarramundi — Other Families: 0.0%
Couple Families Lone Person One Parent Families Group Household Other Families

Who owns and who rents

Occupied private dwellings by tenure, 2021 Census.

Castlereagh 17.8% renting
Castlereagh — Owned Outright: 46.7% Castlereagh — Mortgage: 35.5% Castlereagh — Renting: 17.8%
Yarramundi 7.5% renting
Yarramundi — Owned Outright: 46.3% Yarramundi — Mortgage: 46.3% Yarramundi — Renting: 7.5%
Owned outright Mortgage Renting

Qualifications

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

Castlereagh Yarramundi
Certificate III & IV 20.8% / 21.4%
Castlereagh — Certificate III & IV: 20.8% Yarramundi — Certificate III & IV: 21.4%
Bachelor Degree 8.9% / 10.4%
Castlereagh — Bachelor Degree: 8.9% Yarramundi — Bachelor Degree: 10.4%
Advanced Diploma / Diploma 7.1% / 7.7%
Castlereagh — Advanced Diploma / Diploma: 7.1% Yarramundi — Advanced Diploma / Diploma: 7.7%
Postgraduate Degree 1.4% / 2.9%
Castlereagh — Postgraduate Degree: 1.4% Yarramundi — Postgraduate Degree: 2.9%
Graduate Diploma / Certificate 1.3% / 1.4%
Castlereagh — Graduate Diploma / Certificate: 1.3% Yarramundi — Graduate Diploma / Certificate: 1.4%

Bars are drawn against the largest share shown (21.4%).

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.

Castlereagh Yarramundi
England 2.6% / 1.8%
Castlereagh — England: 2.6% Yarramundi — England: 1.8%
Italy 1.3% / 0.5%
Castlereagh — Italy: 1.3% Yarramundi — Italy: 0.5%
New Zealand 0.5% / 1.0%
Castlereagh — New Zealand: 0.5% Yarramundi — New Zealand: 1.0%
Germany 0.8% / 0.5%
Castlereagh — Germany: 0.8% Yarramundi — Germany: 0.5%
Netherlands 0.6% / 0.6%
Castlereagh — Netherlands: 0.6% Yarramundi — Netherlands: 0.6%
South Africa — / 1.0%
Castlereagh — South Africa: not among its largest Yarramundi — South Africa: 1.0%
India 0.6% / —
Castlereagh — India: 0.6% Yarramundi — India: not among its largest
Greece 0.6% / —
Castlereagh — Greece: 0.6% Yarramundi — Greece: not among its largest

Bars are drawn against the largest share shown (2.6%).

What people live in

Occupied private dwellings by structure, 2021 Census.

Castlereagh 97.1% houses
Castlereagh — Houses: 97.1% Castlereagh — Flats / Apartments: 2.9%
Yarramundi 99.1% houses
Yarramundi — Houses: 99.1% Yarramundi — Flats / Apartments: 0.9%
Houses Flats / Apartments

Property market

Castlereagh Yarramundi
Median house price $3,330,000 $1,970,000
Median unit price —
same for both
Median land price $2,580,000 $1,885,000
Typical days to sell (houses) 122 days
from 4 sales
 154 days
from 3 sales

Zoning mix

Yarramundi has more land zoned for conservation (81% vs 23%).

Castlereagh Yarramundi
Environmental 23% 81%
Other and special use 65% 0%
Rural and farming 19% 11%
Residential 0% 6%
Infrastructure and transport 2% 1%
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

Castlereagh Yarramundi
New dwellings approved 1,063
across Penrith
 459
across Hawkesbury
Approvals change year on year -78% +3%

Ranking within NSW

Castlereagh Yarramundi
House price Higher than 93% of NSW Higher than 85% of NSW
Income Higher than 85% of NSW Higher than 94% of NSW
Schools Higher than 72% of NSW —
Walkability Higher than 77% of NSW Higher than 39% of NSW
Affordability Higher than 10% of NSW Higher than 43% of NSW
EV adoption Higher than 67% of NSW Higher than 49% of NSW
NBN connectivity Higher than 63% of NSW Higher than 61% of NSW

Liveability

Castlereagh is more walkable (35 vs 0); Castlereagh scores higher overall (44 vs 38).

Castlereagh Yarramundi
Grade C
same for both
Score 44/100 38/100
Socio-economic band advantaged area
decile 8/10
 very advantaged area
decile 10/10

Risk profile

Castlereagh carries more crime risk (80 vs 50); Yarramundi carries more bushfire risk (87 vs 76).

Castlereagh Yarramundi
Bushfire High
76/100
 High
87/100
Crime High
80/100
 Moderate
50/100
Flood Not mapped
no mapped data here
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
 1
within 5 km

Schools

Castlereagh Yarramundi
Inside the suburb 3 0
Rated above peers 1 0
Rated at peers 0
same for both
Rated below peers 1 0
Universities within 10 km 1
Western Sydney University - Penrith, 9.5 km
 None

Schools in Castlereagh

  • Castlereagh Public School Government · Primary above peers
  • The Lakes Christian College Independent · Combined below peers
  • Penrith Lakes Environmental Education Centre Government · Combined

Schools in Yarramundi

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

Amenities in the suburb

Castlereagh Yarramundi
Cafes & restaurants 3 0
Parks & reserves 2 1
Childcare 2 0
Waterways 12 14

Mobility

Yarramundi sits further from the CBD (74.7 km vs 65.4 km).

Castlereagh Yarramundi
Walkability score 35/100 0/100
Distance to Sydney 65.4 km 74.7 km
+14% vs other
Drive time (normal traffic) 59 min 72 min
Electric vehicle share 0.7%
postcode 2749
 0.5%
postcode 2753
Rooftop solar per 100 dwellings 49
postcode 2749
 40
postcode 2753

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.

Castlereagh Yarramundi
Car (driver) 54.7% / 59.2%
Castlereagh — Car (driver): 54.7% Yarramundi — Car (driver): 59.2%
Worked from Home 36.1% / 34.9%
Castlereagh — Worked from Home: 36.1% Yarramundi — Worked from Home: 34.9%
Car (passenger) 4.5% / 3.5%
Castlereagh — Car (passenger): 4.5% Yarramundi — Car (passenger): 3.5%
Walked Only 3.9% / 1.6%
Castlereagh — Walked Only: 3.9% Yarramundi — Walked Only: 1.6%
Train 0.9% / 0.8%
Castlereagh — Train: 0.9% Yarramundi — Train: 0.8%

Bars are drawn against the largest share shown (59.2%).

Setting

Castlereagh Yarramundi
Elevation 31 m
above sea level, at the suburb centre
 174 m
above sea level, at the suburb centre

NBN connectivity

Castlereagh Yarramundi
Connectivity score 31/100 30/100
Most common technology Fixed wireless
same for both
Full-fibre (FTTP) share 1%
388 premises
 0%
258 premises

Climate

Castlereagh Yarramundi
Annual rainfall 806 mm
same for both
Summer max (Jan) —
same for both
Winter min (Jul) —
same for both

Air quality (annual mean)

Castlereagh Yarramundi
PM2.5 7.2 µg/m³ 6.3 µg/m³
PM10 16.3 µg/m³ 14.5 µg/m³
NO₂ 0.6 pphm 0.23 pphm

Council rates

Castlereagh Yarramundi
Average residential rate $1,547/yr $1,650/yr
Council Penrith Hawkesbury

Federal electorate

Castlereagh Yarramundi
Division Lindsay Macquarie
Member Melissa Mcintosh Susan Templeman
Party Liberal Australian Labor Party

First Home Owner Grant

Castlereagh Yarramundi
Grant amount $10,000
same for both
Property price cap $600,000
same for both
Eligibility New
same for both

Tags

Castlereagh

Acreage Premium River

Yarramundi

Acreage Premium River

More comparisons

Other comparisons with Castlereagh

Castlereagh vs Penrith Castlereagh vs Cranebrook Castlereagh vs Emu Plains Castlereagh vs Londonderry Castlereagh vs Emu Heights Castlereagh vs Yellow Rock

Other comparisons with Yarramundi

Yarramundi vs Springwood Yarramundi vs Winmalee Yarramundi vs Grose Vale Yarramundi vs Yellow Rock Yarramundi vs Agnes Banks Yarramundi vs Grose Wold
Full data on Castlereagh Full data on Yarramundi
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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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