Cornwall vs St Marys

Cornwall is the younger of the two, with a median age of 50 against 56 in St Marys. In both, the large majority of households own their home and the large majority of homes are detached houses. In Cornwall, most households are people living alone. In St Marys, about half of households are people living alone.

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

St Marys

ahead on the one thing that separates them

  • has more parks and reserves (20 vs 0)

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

First-home buyers

Cornwall

ahead on the one thing that separates them

  • leaves households under less mortgage stress (15% vs 26%)

Weighs 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

St Marys

ahead on the one thing that separates them

  • has a shorter drive in (152 min vs 157 min)

Weighs distance, drive time, and walkability.

Downsizers and retirees

St Marys

ahead on the one thing that separates them

  • has more GPs (2 vs 0)

Weighs who already lives there, GPs, and walkability.

Investors

Cornwall

ahead on the one thing that separates them

  • is growing faster (26.2% vs 8.2%)

Weighs population growth.

Where they sit

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

Cornwall St Marys
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.

Cornwall St Marys
Walkability 4 / 4
Cornwall — Walkability: 4/100 St Marys — Walkability: 4/100
Low fire risk 8 / 34
Cornwall — Low fire risk: 8/100 St Marys — Low fire risk: 34/100

Demographics

St Marys has more residents (738 vs 82); St Marys has higher household incomes ($39,468 vs $32,968).

Cornwall St Marys
Population 82 738
+800% vs other
Population trend (2016 → 2021) +26.2% +8.2%
Median age 50 56
Median household income $32,968/yr $39,468/yr
+20% vs other
Median weekly rent $200/wk $205/wk
+2% vs other

Age profile

Share of residents in each band, 2021 Census.

Cornwall St Marys
0-4 6.1% / 2.3%
Cornwall — 0-4: 6.1% St Marys — 0-4: 2.3%
5-14 8.5% / 9.3%
Cornwall — 5-14: 8.5% St Marys — 5-14: 9.3%
15-19 — / 3.3%
Cornwall — 15-19: not among its largest St Marys — 15-19: 3.3%
20-24 7.3% / 4.1%
Cornwall — 20-24: 7.3% St Marys — 20-24: 4.1%
25-34 9.8% / 5.4%
Cornwall — 25-34: 9.8% St Marys — 25-34: 5.4%
35-44 3.7% / 7.5%
Cornwall — 35-44: 3.7% St Marys — 35-44: 7.5%
45-54 20.7% / 14.6%
Cornwall — 45-54: 20.7% St Marys — 45-54: 14.6%
55-64 18.3% / 24.1%
Cornwall — 55-64: 18.3% St Marys — 55-64: 24.1%
65-74 23.2% / 15.6%
Cornwall — 65-74: 23.2% St Marys — 65-74: 15.6%
75-84 6.1% / 9.3%
Cornwall — 75-84: 6.1% St Marys — 75-84: 9.3%
85+ — / 3.0%
Cornwall — 85+: not among its largest St Marys — 85+: 3.0%

Bars are drawn against the largest share shown (24.1%).

Who lives together

Household composition, 2021 Census.

Cornwall 56.7% lone person
Cornwall — Lone Person: 56.7% Cornwall — Couple Families: 20.0% Cornwall — One Parent Families: 23.3% Cornwall — Group Household: 0.0% Cornwall — Other Families: 0.0%
St Marys 53.7% lone person
St Marys — Lone Person: 53.7% St Marys — Couple Families: 26.6% St Marys — One Parent Families: 14.2% St Marys — Group Household: 4.1% St Marys — Other Families: 1.4%
Lone Person Couple Families One Parent Families Group Household Other Families

Who owns and who rents

Occupied private dwellings by tenure, 2021 Census.

Cornwall 12.9% renting
Cornwall — Owned Outright: 61.3% Cornwall — Mortgage: 25.8% Cornwall — Renting: 12.9%
St Marys 15.9% renting
St Marys — Owned Outright: 62.4% St Marys — Mortgage: 21.7% St Marys — Renting: 15.9%
Owned outright Mortgage Renting

What people live in

Occupied private dwellings by structure, 2021 Census.

Cornwall 100.0% houses
Cornwall — Houses: 100.0% Cornwall — Flats / Apartments: 0.0%
St Marys 94.7% houses
St Marys — Houses: 94.7% St Marys — Flats / Apartments: 5.3%
Houses Flats / Apartments

Qualifications

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

Cornwall St Marys
Certificate III & IV 17.1% / 17.8%
Cornwall — Certificate III & IV: 17.1% St Marys — Certificate III & IV: 17.8%
Bachelor Degree 3.7% / 7.7%
Cornwall — Bachelor Degree: 3.7% St Marys — Bachelor Degree: 7.7%
Advanced Diploma / Diploma 4.9% / 6.4%
Cornwall — Advanced Diploma / Diploma: 4.9% St Marys — Advanced Diploma / Diploma: 6.4%
Postgraduate Degree — / 2.3%
Cornwall — Postgraduate Degree: not among its largest St Marys — Postgraduate Degree: 2.3%
Graduate Diploma / Certificate — / 1.5%
Cornwall — Graduate Diploma / Certificate: not among its largest St Marys — Graduate Diploma / Certificate: 1.5%

Bars are drawn against the largest share shown (17.8%).

Property market

Cornwall St Marys
Median house price — $390,000
Median unit price —
same for both
Median land price —
same for both
Typical days to sell (houses) — 52 days
from 16 sales

Zoning mix

St Marys has more land zoned for conservation (13% vs 2%).

Cornwall St Marys
Rural and farming 92% 86%
Environmental 2% 13%
Residential 6% 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

Cornwall St Marys
New dwellings approved 48
across Break O'Day
same for both
Approvals change year on year +0%
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.

Cornwall St Marys
Houses — 3.6%
$380/wk on $550K
Units —
same for both

Ranking within TAS

Cornwall St Marys
House price —
same for both
Income Higher than 3% of TAS Higher than 7% of TAS
Schools —
same for both
Walkability Higher than 67% of TAS
same for both
Affordability —
same for both
EV adoption Higher than 48% of TAS
same for both
NBN connectivity Higher than 57% of TAS Higher than 41% of TAS
Rental yield (houses) — Higher than 22% of TAS

Liveability

Cornwall St Marys
Grade — D
Score — 28/100
Socio-economic band high-need area
decile 1/10
same for both

Risk profile

Cornwall carries more bushfire risk (92 vs 66).

Cornwall St Marys
Bushfire High
92/100
 Moderate
66/100
Crime Not mapped
no mapped data here
same for both
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 1
within 5 km
 2
within 5 km

Schools

Cornwall St Marys
Inside the suburb 0 1
Rated above peers 0
same for both
Rated at peers 0 1
Rated below peers 0
same for both

Schools in Cornwall

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

Schools in St Marys

  • St Marys District School Government · Combined at peers

Amenities in the suburb

Cornwall St Marys
Supermarkets 0 1
Cafes & restaurants 0 3
Parks & reserves 0 20
Childcare 0 1
GPs 0 2
Pharmacies 0 1
Hospitals 0 1
Police stations 0 1
Banks & Bank@Post 0 1
Waterways 0 14

Mobility

Cornwall St Marys
Walkability score 4/100
same for both
Distance to Hobart 214.9 km 214.1 km
Drive time (normal traffic) 157 min 152 min
Electric vehicle share 0.4%
postcode 7215
same for both
Rooftop solar per 100 dwellings 29
postcode 7215
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.

Cornwall St Marys
Car (driver) 100.0% / 71.4%
Cornwall — Car (driver): 100.0% St Marys — Car (driver): 71.4%
Worked from Home — / 14.6%
Cornwall — Worked from Home: not among its largest St Marys — Worked from Home: 14.6%
Walked Only — / 11.1%
Cornwall — Walked Only: not among its largest St Marys — Walked Only: 11.1%
Car (passenger) — / 3.0%
Cornwall — Car (passenger): not among its largest St Marys — Car (passenger): 3.0%

Bars are drawn against the largest share shown (100.0%).

Setting

Cornwall St Marys
Elevation 373 m
above sea level, at the suburb centre
 243 m
above sea level, at the suburb centre
Distance to the ocean 11.9 km 11.5 km

NBN connectivity

Cornwall St Marys
Connectivity score 30/100 29/100
Most common technology Fixed wireless
same for both
Full-fibre (FTTP) share 0%
44 premises
 0%
414 premises

Climate

Cornwall St Marys
Annual rainfall 660 mm
same for both
Summer max (Jan) 21.4°C
same for both
Winter min (Jul) 6.8°C
same for both

Council rates

Cornwall St Marys
Average residential rate $1,738/yr
same for both
Council Break O'Day
same for both

Federal electorate

Cornwall St Marys
Division Lyons
same for both
Member Rebecca White
same for both
Party Australian Labor Party
same for both

First Home Owner Grant

Cornwall St Marys
Grant amount $20,000
same for both
Property price cap —
same for both
Eligibility New
same for both

Tags

Cornwall

Retirees Rural

St Marys

Affordable Retirees Rural
Full data on Cornwall Full data on St Marys
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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